// FancyZoom.js - v1.1 - http://www.fancyzoom.com
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.
// 
//     Requires: FancyZoomHTML.js
// Instructions: Include JS files in page, call setupZoom() in onLoad. That's it!
//               Any <a href> links to images will be updated to zoom inline.
//               Add rel="nozoom" to your <a href> to disable zooming for an image.
// 
// Redistribution and use of this effect in source form, with or without modification,
// are permitted provided that the following conditions are met:
// 
// * USE OF SOURCE ON COMMERCIAL (FOR-PROFIT) WEBSITE REQUIRES ONE-TIME LICENSE FEE PER DOMAIN.
//   Reasonably priced! Visit www.fancyzoom.com for licensing instructions. Thanks!
//
// * Non-commercial (personal) website use is permitted without license/payment!
//
// * Redistribution of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
// * Redistribution of source code and derived works cannot be sold without specific
//   written prior permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

var includeCaption = true; // Turn on the "caption" feature, and write out the caption HTML
var zoomTime       = 1;    // Milliseconds between frames of zoom animation
var zoomSteps      = 1;   // Number of zoom animation frames
var includeFade    = 1;    // Set to 1 to fade the image in / out as it zooms
var minBorder      = 50;   // Amount of padding between large, scaled down images, and the window edges
var shadowSettings = '0px 5px 25px rgba(0, 0, 0, '; // Blur, radius, color of shadow for compatible browsers

var zoomImagesURI   = '/images/zoom/'; // Location of the zoom and shadow images //ZOOM组件的图片位置...

// Init. Do not add anything below this line, unless it's something awesome.

var myWidth = 0, myHeight = 0, myScroll = 0; myScrollWidth = 0; myScrollHeight = 0;
var zoomOpen = false, preloadFrame = 1, preloadActive = false, preloadTime = 0, imgPreload = new Image();
var preloadAnimTimer = 0;

var zoomActive = new Array(); var zoomTimer  = new Array(); 
var zoomOrigW  = new Array(); var zoomOrigH  = new Array();
var zoomOrigX  = new Array(); var zoomOrigY  = new Array();

var zoomID         = "ZoomBox";
var theID          = "ZoomImage";
var zoomCaption    = "ZoomCaption";
var zoomCaptionDiv = "ZoomCapDiv";

if (navigator.userAgent.indexOf("MSIE") != -1) {
	var browserIsIE = true;
}

// Zoom: Setup The Page! Called in your <body>'s onLoad handler.

function setupZoom() {
	prepZooms();
	insertZoomHTML();
	zoomdiv = document.getElementById(zoomID);  
	zoomimg = document.getElementById(theID);
}

// Zoom: Inject Javascript functions into hrefs pointing to images, one by one!
// Skip any href that contains a rel="nozoom" tag.
// This is done at page load time via an onLoad() handler.

function prepZooms() {
	if (! document.getElementsByTagName) {
		return;
	}
	var links = document.getElementsByTagName("a");
	for (i = 0; i < links.length; i++) {
		if (links[i].getAttribute("href")) {
			if (links[i].getAttribute("href").search(/(.*)\.(jpg|jpeg|gif|png|bmp|tif|tiff)/gi) != -1) {
				if (links[i].getAttribute("rel") == "zoom") {
					links[i].onclick = function (event) { return zoomClick(this, event); };
					links[i].onmouseover = function () { zoomPreload(this); };
					}
			}
		}
	}
}

// Zoom: Load an image into an image object. When done loading, function sets preloadActive to false,
// so other bits know that they can proceed with the zoom.
// Preloaded image is stored in imgPreload and swapped out in the zoom function.

function zoomPreload(from) {

	var theimage = from.getAttribute("href");

	// Only preload if we have to, i.e. the image isn't this image already

	if (imgPreload.src.indexOf(from.getAttribute("href").substr(from.getAttribute("href").lastIndexOf("/"))) == -1) {
		preloadActive = true;
		imgPreload = new Image();

		// Set a function to fire when the preload is complete, setting flags along the way.

		imgPreload.onload = function() {
			preloadActive = false;
		}

		// Load it!
		imgPreload.src = theimage;
	}
}

// Zoom: Start the preloading animation cycle.

function preloadAnimStart() {
	preloadTime = new Date();
	document.getElementById("ZoomSpin").style.left = (myWidth / 2) + 'px';
	document.getElementById("ZoomSpin").style.top = ((myHeight / 2) + myScroll) + 'px';
	document.getElementById("ZoomSpin").style.visibility = "visible";	
	preloadFrame = 1;
	document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';  
	preloadAnimTimer = setInterval("preloadAnim()", 100);
}

// Zoom: Display and ANIMATE the jibber-jabber widget. Once preloadActive is false, bail and zoom it up!

function preloadAnim(from) {
	if (preloadActive != false) {
		document.getElementById("SpinImage").src = zoomImagesURI+'zoom-spin-'+preloadFrame+'.png';
		preloadFrame++;
		if (preloadFrame > 12) preloadFrame = 1;
	} else {
		document.getElementById("ZoomSpin").style.visibility = "hidden";    
		clearInterval(preloadAnimTimer);
		preloadAnimTimer = 0;
		zoomIn(preloadFrom);
	}
}

// ZOOM CLICK: We got a click! Should we do the zoom? Or wait for the preload to complete?
// todo?: Double check that imgPreload src = clicked src

function zoomClick(from, evt) {

	var shift = getShift(evt);

	// Check for Command / Alt key. If pressed, pass them through -- don't zoom!
	if (! evt && window.event && (window.event.metaKey || window.event.altKey)) {
		return true;
	} else if (evt && (evt.metaKey|| evt.altKey)) {
		return true;
	}

	// Get browser dimensions
	getSize();
	//myHeight = 2000;

	// If preloading still, wait, and display the spinner.
	if (preloadActive == true) {
		// But only display the spinner if it's not already being displayed!
		if (preloadAnimTimer == 0) {
			preloadFrom = from;
			preloadAnimStart();	
		}
	} else {
		// Otherwise, we're loaded: do the zoom!
		zoomIn(from, shift);
	}
	
	return false;
	
}

// Zoom: Move an element in to endH endW, using zoomHost as a starting point.
// "from" is an object reference to the href that spawned the zoom.

function zoomIn(from, shift) {

	zoomimg.src = from.getAttribute("href");

	// Determine the zoom settings from where we came from, the element in the <a>.
	// If there's no element in the <a>, or we can't get the width, make stuff up

	if (from.childNodes[0].width) {
		startW = from.childNodes[0].width;
		startH = from.childNodes[0].height;
		startPos = findElementPos(from.childNodes[0]);
	} else {
		startW = 50;
		startH = 12;
		startPos = findElementPos(from);
	}

	hostX = startPos[0];
	hostY = startPos[1];
	// Make up for a scrolled containing div.
	// TODO: This HAS to move into findElementPos.
	
	if (document.getElementById('scroller')) {
		hostX = hostX - document.getElementById('scroller').scrollLeft;
	}

	// Determine the target zoom settings from the preloaded image object

	endW = imgPreload.width;
	endH = imgPreload.height;
  //以下是修改放大到屏幕最宽..
  var pcookie=get_cookie("full");
	if (pcookie != "no")
	{
  	sizeRatio = (myWidth - minBorder) / endW; 
  	endW = myWidth - minBorder;
  	endH = endH * sizeRatio;
  }
  //修改完成...
	// Start! But only if we're not zooming already!

	if (zoomActive[theID] != true) {

		// Clear everything out just in case something is already open

		if (document.getElementById("ShadowBox")) {
			document.getElementById("ShadowBox").style.visibility = "hidden";
		} else if (! browserIsIE) {
		
			// Wipe timer if shadow is fading in still
			if (fadeActive["ZoomImage"]) {
				clearInterval(fadeTimer["ZoomImage"]);
				fadeActive["ZoomImage"] = false;
				fadeTimer["ZoomImage"] = false;			
			}
			
			document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';			
		}
		
		document.getElementById("ZoomClose").style.visibility = "hidden";     

		// Setup the CAPTION, if existing. Hide it first, set the text.

		if (includeCaption) {
			document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
			if (from.getAttribute('title') && includeCaption) {
				// Yes, there's a caption, set it up
				document.getElementById(zoomCaption).innerHTML = from.getAttribute('title');
			} else {
				document.getElementById(zoomCaption).innerHTML = "";
			}
		}

		// Store original position in an array for future zoomOut.

		zoomOrigW[theID] = startW;
		zoomOrigH[theID] = startH;
		zoomOrigX[theID] = hostX;
		zoomOrigY[theID] = hostY;

		// Now set the starting dimensions

		zoomimg.style.width = startW + 'px';
		zoomimg.style.height = startH + 'px';
		zoomdiv.style.left = hostX + 'px';
		zoomdiv.style.top = hostY + 'px';

		// Show the zooming image container, make it invisible

		if (includeFade == 1) {
			setOpacity(0, zoomID);
		}
		zoomdiv.style.visibility = "visible";

		// If it's too big to fit in the window, shrink the width and height to fit (with ratio).

//		sizeRatio = endW / endH;
//		if (endW > myWidth - minBorder) {
//			endW = myWidth - minBorder;
//			endH = endW / sizeRatio;
//		}
//		if (endH > myHeight - minBorder) {
//			endH = myHeight - minBorder;
//			endW = endH * sizeRatio;
//		}

		zoomChangeX = ((myWidth / 2) - (endW / 2) - hostX);
		zoomChangeY = (((myHeight / 2) - (endH / 2) - hostY) + myScroll+100);
		zoomChangeW = (endW - startW);
		zoomChangeH = (endH - startH);
	//	zoomChangeW = endW ;
	//	zoomChangeH = endH ;
		
		// Shift key?
	
		if (shift) {
			tempSteps = zoomSteps * 7;
		} else {
			tempSteps = zoomSteps;
		}

		// Setup Zoom

		zoomCurrent = 0;

		// Setup Fade with Zoom, If Requested

		if (includeFade == 1) {
			fadeCurrent = 0;
			fadeAmount = (0 - 100) / tempSteps;
		} else {
			fadeAmount = 0;
		}

		// Do It!
		
		zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+hostX+", "+zoomChangeX+", "+hostY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDoneIn(zoomID)')", zoomTime);		
		zoomActive[theID] = true; 
	}
}

// Zoom it back out.

function zoomOut(from, evt) {

	// Get shift key status.
	// IE events don't seem to get passed through the function, so grab it from the window.

	if (getShift(evt)) {
		tempSteps = zoomSteps * 7;
	} else {
		tempSteps = zoomSteps;
	}	

	// Check to see if something is happening/open
  
	if (zoomActive[theID] != true) {

		// First, get rid of the shadow if necessary.

		if (document.getElementById("ShadowBox")) {
			document.getElementById("ShadowBox").style.visibility = "hidden";
		} else if (! browserIsIE) {
		
			// Wipe timer if shadow is fading in still
			if (fadeActive["ZoomImage"]) {
				clearInterval(fadeTimer["ZoomImage"]);
				fadeActive["ZoomImage"] = false;
				fadeTimer["ZoomImage"] = false;			
			}
			
			document.getElementById("ZoomImage").style.webkitBoxShadow = shadowSettings + '0.0)';			
		}

		// ..and the close box...

		document.getElementById("ZoomClose").style.visibility = "hidden";

		// ...and the caption if necessary!

		if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
			// fadeElementSetup(zoomCaptionDiv, 100, 0, 5, 1);
			document.getElementById(zoomCaptionDiv).style.visibility = "hidden";
		}

		// Now, figure out where we came from, to get back there

		startX = parseInt(zoomdiv.style.left);
		startY = parseInt(zoomdiv.style.top);
		startW = zoomimg.width;
		startH = zoomimg.height;
		zoomChangeX = zoomOrigX[theID] - startX;
		zoomChangeY = zoomOrigY[theID] - startY;
		zoomChangeW = zoomOrigW[theID] - startW;
		zoomChangeH = zoomOrigH[theID] - startH;

		// Setup Zoom

		zoomCurrent = 0;

		// Setup Fade with Zoom, If Requested

		if (includeFade == 1) {
			fadeCurrent = 0;
			fadeAmount = (100 - 0) / tempSteps;
		} else {
			fadeAmount = 0;
		}

		// Do It!

		zoomTimer[theID] = setInterval("zoomElement('"+zoomID+"', '"+theID+"', "+zoomCurrent+", "+startW+", "+zoomChangeW+", "+startH+", "+zoomChangeH+", "+startX+", "+zoomChangeX+", "+startY+", "+zoomChangeY+", "+tempSteps+", "+includeFade+", "+fadeAmount+", 'zoomDone(zoomID, theID)')", zoomTime);	
		zoomActive[theID] = true;
	}
}

// Finished Zooming In

function zoomDoneIn(zoomdiv, theID) {

	// Note that it's open
  
	zoomOpen = true;
	zoomdiv = document.getElementById(zoomdiv);

	// Position the table shadow behind the zoomed in image, and display it

	if (document.getElementById("ShadowBox")) {

		setOpacity(0, "ShadowBox");
		shadowdiv = document.getElementById("ShadowBox");

		shadowLeft = parseInt(zoomdiv.style.left) - 13;
		shadowTop = parseInt(zoomdiv.style.top) - 8;
		shadowWidth = zoomdiv.offsetWidth + 26;
		shadowHeight = zoomdiv.offsetHeight + 26; 
	
		shadowdiv.style.width = shadowWidth + 'px';
		shadowdiv.style.height = shadowHeight + 'px';
		shadowdiv.style.left = shadowLeft + 'px';
		shadowdiv.style.top = shadowTop + 'px';

		document.getElementById("ShadowBox").style.visibility = "visible";
		fadeElementSetup("ShadowBox", 0, 100, 5);
		
	} else if (! browserIsIE) {
		// Or, do a fade of the modern shadow
		fadeElementSetup("ZoomImage", 0, .8, 5, 0, "shadow");
	}
	
	// Position and display the CAPTION, if existing
  
	if (includeCaption && document.getElementById(zoomCaption).innerHTML != "") {
		// setOpacity(0, zoomCaptionDiv);
		zoomcapd = document.getElementById(zoomCaptionDiv);
		zoomcapd.style.top = parseInt(zoomdiv.style.top) + (zoomdiv.offsetHeight + 15) + 'px';
		zoomcapd.style.left = (myWidth / 2) - (zoomcapd.offsetWidth / 2) + 'px';
		zoomcapd.style.visibility = "visible";
		// fadeElementSetup(zoomCaptionDiv, 0, 100, 5);
	}   
	
	// Display Close Box (fade it if it's not IE)

	if (!browserIsIE) setOpacity(0, "ZoomClose");
	document.getElementById("ZoomClose").style.visibility = "visible";
	if (!browserIsIE) fadeElementSetup("ZoomClose", 0, 100, 5);

	// Get keypresses
	document.onkeypress = getKey;
	
}

// Finished Zooming Out

function zoomDone(zoomdiv, theID) {

	// No longer open
  
	zoomOpen = false;

	// Clear stuff out, clean up

	zoomOrigH[theID] = "";
	zoomOrigW[theID] = "";
	document.getElementById(zoomdiv).style.visibility = "hidden";
	zoomActive[theID] == false;

	// Stop getting keypresses

	document.onkeypress = null;

}

// Actually zoom the element

function zoomElement(zoomdiv, theID, zoomCurrent, zoomStartW, zoomChangeW, zoomStartH, zoomChangeH, zoomStartX, zoomChangeX, zoomStartY, zoomChangeY, zoomSteps, includeFade, fadeAmount, execWhenDone) {

	// console.log("Zooming Step #"+zoomCurrent+ " of "+zoomSteps+" (zoom " + zoomStartW + "/" + zoomChangeW + ") (zoom " + zoomStartH + "/" + zoomChangeH + ")  (zoom " + zoomStartX + "/" + zoomChangeX + ")  (zoom " + zoomStartY + "/" + zoomChangeY + ") Fade: "+fadeAmount);
    
	// Test if we're done, or if we continue

	if (zoomCurrent == (zoomSteps + 1)) {
		zoomActive[theID] = false;
		clearInterval(zoomTimer[theID]);

		if (execWhenDone != "") {
			eval(execWhenDone);
		}
	} else {
	
		// Do the Fade!
	  
		if (includeFade == 1) {
			if (fadeAmount < 0) {
				setOpacity(Math.abs(zoomCurrent * fadeAmount), zoomdiv);
			} else {
				setOpacity(100 - (zoomCurrent * fadeAmount), zoomdiv);
			}
		}
	  
		// Calculate this step's difference, and move it!
		
		moveW = cubicInOut(zoomCurrent, zoomStartW, zoomChangeW, zoomSteps);
		moveH = cubicInOut(zoomCurrent, zoomStartH, zoomChangeH, zoomSteps);
		moveX = cubicInOut(zoomCurrent, zoomStartX, zoomChangeX, zoomSteps);
		//moveY = cubicInOut(zoomCurrent, zoomStartY, zoomChangeY, zoomSteps);
		moveY = myScroll+20;  //这里是表示放大后图片的位置高度...小修改...
	
		document.getElementById(zoomdiv).style.left = moveX + 'px';
		document.getElementById(zoomdiv).style.top = moveY + 'px';
		zoomimg.style.width = moveW + 'px';
		zoomimg.style.height = moveH + 'px';
	
		zoomCurrent++;
		
		clearInterval(zoomTimer[theID]);
		zoomTimer[theID] = setInterval("zoomElement('"+zoomdiv+"', '"+theID+"', "+zoomCurrent+", "+zoomStartW+", "+zoomChangeW+", "+zoomStartH+", "+zoomChangeH+", "+zoomStartX+", "+zoomChangeX+", "+zoomStartY+", "+zoomChangeY+", "+zoomSteps+", "+includeFade+", "+fadeAmount+", '"+execWhenDone+"')", zoomTime);
	}
}

// Zoom Utility: Get Key Press when image is open, and act accordingly

function getKey(evt) {
	if (! evt) {
		theKey = event.keyCode;
	} else {
		theKey = evt.keyCode;
	}

	if (theKey == 27) { // ESC
		zoomOut(this, evt);
	}
}

////////////////////////////
//
// FADE Functions
//

function fadeOut(elem) {
	if (elem.id) {
		fadeElementSetup(elem.id, 100, 0, 10);
	}
}

function fadeIn(elem) {
	if (elem.id) {
		fadeElementSetup(elem.id, 0, 100, 10);	
	}
}

// Fade: Initialize the fade function

var fadeActive = new Array();
var fadeQueue  = new Array();
var fadeTimer  = new Array();
var fadeClose  = new Array();
var fadeMode   = new Array();

function fadeElementSetup(theID, fdStart, fdEnd, fdSteps, fdClose, fdMode) {

	// alert("Fading: "+theID+" Steps: "+fdSteps+" Mode: "+fdMode);

	if (fadeActive[theID] == true) {
		// Already animating, queue up this command
		fadeQueue[theID] = new Array(theID, fdStart, fdEnd, fdSteps);
	} else {
		fadeSteps = fdSteps;
		fadeCurrent = 0;
		fadeAmount = (fdStart - fdEnd) / fadeSteps;
		fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
		fadeActive[theID] = true;
		fadeMode[theID] = fdMode;
		
		if (fdClose == 1) {
			fadeClose[theID] = true;
		} else {
			fadeClose[theID] = false;
		}
	}
}

// Fade: Do the fade. This function will call itself, modifying the parameters, so
// many instances can run concurrently. Can fade using opacity, or fade using a box-shadow.

function fadeElement(theID, fadeCurrent, fadeAmount, fadeSteps) {

	if (fadeCurrent == fadeSteps) {

		// We're done, so clear.

		clearInterval(fadeTimer[theID]);
		fadeActive[theID] = false;
		fadeTimer[theID] = false;

		// Should we close it once the fade is complete?

		if (fadeClose[theID] == true) {
			document.getElementById(theID).style.visibility = "hidden";
		}

		// Hang on.. did a command queue while we were working? If so, make it happen now

		if (fadeQueue[theID] && fadeQueue[theID] != false) {
			fadeElementSetup(fadeQueue[theID][0], fadeQueue[theID][1], fadeQueue[theID][2], fadeQueue[theID][3]);
			fadeQueue[theID] = false;
		}
	} else {

		fadeCurrent++;
		
		// Now actually do the fade adjustment.
		
		if (fadeMode[theID] == "shadow") {

			// Do a special fade on the webkit-box-shadow of the object
		
			if (fadeAmount < 0) {
				document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (Math.abs(fadeCurrent * fadeAmount)) + ')';
			} else {
				document.getElementById(theID).style.webkitBoxShadow = shadowSettings + (100 - (fadeCurrent * fadeAmount)) + ')';
			}
			
		} else {
		
			// Set the opacity depending on if we're adding or subtracting (pos or neg)
			
			if (fadeAmount < 0) {
				setOpacity(Math.abs(fadeCurrent * fadeAmount), theID);
			} else {
				setOpacity(100 - (fadeCurrent * fadeAmount), theID);
			}
		}

		// Keep going, and send myself the updated variables
		clearInterval(fadeTimer[theID]);
		fadeTimer[theID] = setInterval("fadeElement('"+theID+"', '"+fadeCurrent+"', '"+fadeAmount+"', '"+fadeSteps+"')", 15);
	}
}

////////////////////////////
//
// UTILITY functions
//

// Utility: Set the opacity, compatible with a number of browsers. Value from 0 to 100.

function setOpacity(opacity, theID) {

	var object = document.getElementById(theID).style;

	// If it's 100, set it to 99 for Firefox.

	if (navigator.userAgent.indexOf("Firefox") != -1) {
		if (opacity == 100) { opacity = 99.9999; } // This is majorly awkward
	}

	// Multi-browser opacity setting

	object.filter = "alpha(opacity=" + opacity + ")"; // IE/Win
	object.opacity = (opacity / 100);                 // Safari 1.2, Firefox+Mozilla

}

// Utility: Math functions for animation calucations - From http://www.robertpenner.com/easing/
//
// t = time, b = begin, c = change, d = duration
// time = current frame, begin is fixed, change is basically finish - begin, duration is fixed (frames),

function linear(t, b, c, d)
{
	return c*t/d + b;
}

function sineInOut(t, b, c, d)
{
	return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
}

function cubicIn(t, b, c, d) {
	return c*(t/=d)*t*t + b;
}

function cubicOut(t, b, c, d) {
	return c*((t=t/d-1)*t*t + 1) + b;
}

function cubicInOut(t, b, c, d)
{
	if ((t/=d/2) < 1) return c/2*t*t*t + b;
	return c/2*((t-=2)*t*t + 2) + b;
}

function bounceOut(t, b, c, d)
{
	if ((t/=d) < (1/2.75)){
		return c*(7.5625*t*t) + b;
	} else if (t < (2/2.75)){
		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
	} else if (t < (2.5/2.75)){
		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
	} else {
		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
	}
}


// Utility: Get the size of the window, and set myWidth and myHeight
// Credit to quirksmode.org

function getSize() {

	// Window Size

	if (self.innerHeight) { // Everyone but IE
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;
		myScroll = window.pageYOffset;
	} else if (document.documentElement && document.documentElement.clientHeight) { // IE6 Strict
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
		myScroll = document.documentElement.scrollTop;
	} else if (document.body) { // Other IE, such as IE7
		myWidth = document.body.clientWidth;
		myHeight = document.body.clientHeight;
		myScroll = document.body.scrollTop;
	}

	// Page size w/offscreen areas

	if (window.innerHeight && window.scrollMaxY) {	
		myScrollWidth = document.body.scrollWidth;
		myScrollHeight = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight) { // All but Explorer Mac
		myScrollWidth = document.body.scrollWidth;
		myScrollHeight = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		myScrollWidth = document.body.offsetWidth;
		myScrollHeight = document.body.offsetHeight;
	}
}

// Utility: Get Shift Key Status
// IE events don't seem to get passed through the function, so grab it from the window.

function getShift(evt) {
	var shift = false;
	if (! evt && window.event) {
		shift = window.event.shiftKey;
	} else if (evt) {
		shift = evt.shiftKey;
		if (shift) evt.stopPropagation(); // Prevents Firefox from doing shifty things
	}
	return shift;
}

// Utility: Find the Y position of an element on a page. Return Y and X as an array

function findElementPos(elemFind)
{
	var elemX = 0;
	var elemY = 0;
	do {
		elemX += elemFind.offsetLeft;
		elemY += elemFind.offsetTop;
	} while ( elemFind = elemFind.offsetParent )

	return Array(elemX, elemY);
}

// FancyZoomHTML.js - v1.0
// Used to draw necessary HTML elements for FancyZoom
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.

function insertZoomHTML() {

	// All of this junk creates the three <div>'s used to hold the closebox, image, and zoom shadow.
	
	var inBody = document.getElementsByTagName("body").item(0);
	
	// WAIT SPINNER
	
	var inSpinbox = document.createElement("div");
	inSpinbox.setAttribute('id', 'ZoomSpin');
	inSpinbox.style.position = 'absolute';
	inSpinbox.style.left = '10px';
	inSpinbox.style.top = '10px';
	inSpinbox.style.visibility = 'hidden';
	inSpinbox.style.zIndex = '525';
	inBody.insertBefore(inSpinbox, inBody.firstChild);
	
	var inSpinImage = document.createElement("img");
	inSpinImage.setAttribute('id', 'SpinImage');
	inSpinImage.setAttribute('src', zoomImagesURI+'loading.gif');
	inSpinbox.appendChild(inSpinImage);
	
	// ZOOM IMAGE
	//
	// <div id="ZoomBox">
	//   <a href="javascript:zoomOut();"><img src="/images/spacer.gif" id="ZoomImage" border="0"></a> <!-- THE IMAGE -->
	//   <div id="ZoomClose">
	//     <a href="javascript:zoomOut();"><img src="/images/closebox.png" width="30" height="30" border="0"></a>
	//   </div>
	// </div>
	
	var inZoombox = document.createElement("div");
	inZoombox.setAttribute('id', 'ZoomBox');
	
	inZoombox.style.position = 'absolute'; 
	inZoombox.style.left = '10px';
	inZoombox.style.top = '10px';
	inZoombox.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=40)';
	inZoombox.style.visibility = 'hidden';
	inZoombox.style.zIndex = '499';
	
	inBody.insertBefore(inZoombox, inSpinbox.nextSibling);
	
	var inImage1 = document.createElement("img");
	inImage1.onclick = function (event) { zoomOut(this, event); return false; };	
	inImage1.setAttribute('src',zoomImagesURI+'spacer.gif');
	inImage1.setAttribute('id','ZoomImage');
	inImage1.setAttribute('border', '0');
	inImage1.setAttribute('onMouseOver', 'zoomMouseOver();')
	inImage1.setAttribute('onMouseOut', 'zoomMouseOut();')
	
	// This must be set first, so we can later test it using webkitBoxShadow.
	inImage1.setAttribute('style', '-webkit-box-shadow: '+shadowSettings+'0.0)');
	inImage1.style.display = 'block';
	inImage1.style.width = '10px';
	inImage1.style.height = '10px';
	inImage1.style.cursor = 'pointer'; // -webkit-zoom-out?
	inZoombox.appendChild(inImage1);

	var inClosebox = document.createElement("div");
	inClosebox.setAttribute('id', 'ZoomClose');
	inClosebox.style.position = 'absolute';
	
	// In MSIE, we need to put the close box inside the image.
	// It's 2008 and I'm having to do a browser detect? Sigh.
	if (browserIsIE) {
		inClosebox.style.left = '-1px';
		inClosebox.style.top = '0px';	
	} else {
		inClosebox.style.left = '-15px';
		inClosebox.style.top = '-15px';
	}
	
	inClosebox.style.visibility = 'hidden';
	inZoombox.appendChild(inClosebox);
		
	var inImage2 = document.createElement("img");
	inImage2.onclick = function (event) { zoomOut(this, event); return false; };	
	inImage2.setAttribute('src',zoomImagesURI+'closebox.png');		
	inImage2.setAttribute('width','30');
	inImage2.setAttribute('height','30');
	inImage2.setAttribute('border','0');
	inImage2.style.cursor = 'pointer';		
	inClosebox.appendChild(inImage2);
	
	// SHADOW
	// Only draw the table-based shadow if the programatic webkitBoxShadow fails!
	// Also, don't draw it if we're IE -- it wouldn't look quite right anyway.
	
	if (! document.getElementById('ZoomImage').style.webkitBoxShadow && ! browserIsIE) {

		// SHADOW BASE
		
		var inFixedBox = document.createElement("div");
		inFixedBox.setAttribute('id', 'ShadowBox');
		inFixedBox.style.position = 'absolute'; 
		inFixedBox.style.left = '50px';
		inFixedBox.style.top = '50px';
		inFixedBox.style.width = '100px';
		inFixedBox.style.height = '100px';
		inFixedBox.style.visibility = 'hidden';
		inFixedBox.style.zIndex = '498';
		inBody.insertBefore(inFixedBox, inZoombox.nextSibling);	
	
		// SHADOW
		// Now, the shadow table. Skip if not compatible, or irrevelant with -box-shadow.
		
		// <div id="ShadowBox"><table border="0" width="100%" height="100%" cellpadding="0" cellspacing="0"> X
		//   <tr height="25">
		//   <td width="27"><img src="/images/zoom-shadow1.png" width="27" height="25"></td>
		//   <td background="/images/zoom-shadow2.png">&nbsp;</td>
		//   <td width="27"><img src="/images/zoom-shadow3.png" width="27" height="25"></td>
		//   </tr>
		
		var inShadowTable = document.createElement("table");
		inShadowTable.setAttribute('border', '0');
		inShadowTable.setAttribute('width', '100%');
		inShadowTable.setAttribute('height', '100%');
		inShadowTable.setAttribute('cellpadding', '0');
		inShadowTable.setAttribute('cellspacing', '0');
		inFixedBox.appendChild(inShadowTable);

		var inShadowTbody = document.createElement("tbody");	// Needed for IE (for HTML4).
		inShadowTable.appendChild(inShadowTbody);
		
		var inRow1 = document.createElement("tr");
		inRow1.style.height = '25px';
		inShadowTbody.appendChild(inRow1);
		
		var inCol1 = document.createElement("td");
		inCol1.style.width = '27px';
		inRow1.appendChild(inCol1);  
		var inShadowImg1 = document.createElement("img");
		inShadowImg1.setAttribute('src', zoomImagesURI+'zoom-shadow1.png');
		inShadowImg1.setAttribute('width', '27');
		inShadowImg1.setAttribute('height', '25');
		inShadowImg1.style.display = 'block';
		inCol1.appendChild(inShadowImg1);
		
		var inCol2 = document.createElement("td");
		inCol2.setAttribute('background', zoomImagesURI+'zoom-shadow2.png');
		inRow1.appendChild(inCol2);
		// inCol2.innerHTML = '<img src=';
		var inSpacer1 = document.createElement("img");
		inSpacer1.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer1.setAttribute('height', '1');
		inSpacer1.setAttribute('width', '1');
		inSpacer1.style.display = 'block';
		inCol2.appendChild(inSpacer1);
		
		var inCol3 = document.createElement("td");
		inCol3.style.width = '27px';
		inRow1.appendChild(inCol3);  
		var inShadowImg3 = document.createElement("img");
		inShadowImg3.setAttribute('src', zoomImagesURI+'zoom-shadow3.png');
		inShadowImg3.setAttribute('width', '27');
		inShadowImg3.setAttribute('height', '25');
		inShadowImg3.style.display = 'block';
		inCol3.appendChild(inShadowImg3);
		
		//   <tr>
		//   <td background="/images/zoom-shadow4.png">&nbsp;</td>
		//   <td bgcolor="#ffffff">&nbsp;</td>
		//   <td background="/images/zoom-shadow5.png">&nbsp;</td>
		//   </tr>
		
		inRow2 = document.createElement("tr");
		inShadowTbody.appendChild(inRow2);
		
		var inCol4 = document.createElement("td");
		inCol4.setAttribute('background', zoomImagesURI+'zoom-shadow4.png');
		inRow2.appendChild(inCol4);
		// inCol4.innerHTML = '&nbsp;';
		var inSpacer2 = document.createElement("img");
		inSpacer2.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer2.setAttribute('height', '1');
		inSpacer2.setAttribute('width', '1');
		inSpacer2.style.display = 'block';
		inCol4.appendChild(inSpacer2);
		
		var inCol5 = document.createElement("td");
		inCol5.setAttribute('bgcolor', '#ffffff');
		inRow2.appendChild(inCol5);
		// inCol5.innerHTML = '&nbsp;';
		var inSpacer3 = document.createElement("img");
		inSpacer3.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer3.setAttribute('height', '1');
		inSpacer3.setAttribute('width', '1');
		inSpacer3.style.display = 'block';
		inCol5.appendChild(inSpacer3);
		
		var inCol6 = document.createElement("td");
		inCol6.setAttribute('background', zoomImagesURI+'zoom-shadow5.png');
		inRow2.appendChild(inCol6);
		// inCol6.innerHTML = '&nbsp;';
		var inSpacer4 = document.createElement("img");
		inSpacer4.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer4.setAttribute('height', '1');
		inSpacer4.setAttribute('width', '1');
		inSpacer4.style.display = 'block';
		inCol6.appendChild(inSpacer4);
		
		//   <tr height="26">
		//   <td width="27"><img src="/images/zoom-shadow6.png" width="27" height="26"</td>
		//   <td background="/images/zoom-shadow7.png">&nbsp;</td>
		//   <td width="27"><img src="/images/zoom-shadow8.png" width="27" height="26"></td>
		//   </tr>  
		// </table>
		
		var inRow3 = document.createElement("tr");
		inRow3.style.height = '26px';
		inShadowTbody.appendChild(inRow3);
		
		var inCol7 = document.createElement("td");
		inCol7.style.width = '27px';
		inRow3.appendChild(inCol7);
		var inShadowImg7 = document.createElement("img");
		inShadowImg7.setAttribute('src', zoomImagesURI+'zoom-shadow6.png');
		inShadowImg7.setAttribute('width', '27');
		inShadowImg7.setAttribute('height', '26');
		inShadowImg7.style.display = 'block';
		inCol7.appendChild(inShadowImg7);
		
		var inCol8 = document.createElement("td");
		inCol8.setAttribute('background', zoomImagesURI+'zoom-shadow7.png');
		inRow3.appendChild(inCol8);  
		// inCol8.innerHTML = '&nbsp;';
		var inSpacer5 = document.createElement("img");
		inSpacer5.setAttribute('src',zoomImagesURI+'spacer.gif');
		inSpacer5.setAttribute('height', '1');
		inSpacer5.setAttribute('width', '1');
		inSpacer5.style.display = 'block';
		inCol8.appendChild(inSpacer5);
		
		var inCol9 = document.createElement("td");
		inCol9.style.width = '27px';
		inRow3.appendChild(inCol9);  
		var inShadowImg9 = document.createElement("img");
		inShadowImg9.setAttribute('src', zoomImagesURI+'zoom-shadow8.png');
		inShadowImg9.setAttribute('width', '27');
		inShadowImg9.setAttribute('height', '26');
		inShadowImg9.style.display = 'block';
		inCol9.appendChild(inShadowImg9);
	}

	if (includeCaption) {
	
		// CAPTION
		//
		// <div id="ZoomCapDiv" style="margin-left: 13px; margin-right: 13px;">
		// <table border="1" cellpadding="0" cellspacing="0">
		// <tr height="26">
		// <td><img src="zoom-caption-l.png" width="13" height="26"></td>
		// <td rowspan="3" background="zoom-caption-fill.png"><div id="ZoomCaption"></div></td>
		// <td><img src="zoom-caption-r.png" width="13" height="26"></td>
		// </tr>
		// </table>
		// </div>
		
		var inCapDiv = document.createElement("div");
		inCapDiv.setAttribute('id', 'ZoomCapDiv');
		inCapDiv.style.position = 'absolute'; 		
		inCapDiv.style.visibility = 'hidden';
		inCapDiv.style.marginLeft = 'auto';
		inCapDiv.style.marginRight = 'auto';
		inCapDiv.style.zIndex = '501';

		inBody.insertBefore(inCapDiv, inZoombox.nextSibling);
		
		var inCapTable = document.createElement("table");
		inCapTable.setAttribute('border', '0');
		inCapTable.setAttribute('cellPadding', '0');	// Wow. These honestly need to
		inCapTable.setAttribute('cellSpacing', '0');	// be intercapped to work in IE. WTF?
		inCapDiv.appendChild(inCapTable);
		
		var inTbody = document.createElement("tbody");	// Needed for IE (for HTML4).
		inCapTable.appendChild(inTbody);
		
		var inCapRow1 = document.createElement("tr");
		inTbody.appendChild(inCapRow1);
		
		var inCapCol1 = document.createElement("td");
		inCapCol1.setAttribute('align', 'right');
		inCapRow1.appendChild(inCapCol1);
		var inCapImg1 = document.createElement("img");
		inCapImg1.setAttribute('src', zoomImagesURI+'zoom-caption-l.png');
		inCapImg1.setAttribute('width', '13');
		inCapImg1.setAttribute('height', '26');
		inCapImg1.style.display = 'block';
		inCapCol1.appendChild(inCapImg1);
		
		var inCapCol2 = document.createElement("td");
		inCapCol2.setAttribute('background', zoomImagesURI+'zoom-caption-fill.png');
		inCapCol2.setAttribute('id', 'ZoomCaption');
		inCapCol2.setAttribute('valign', 'middle');
		inCapCol2.style.fontSize = '14px';
		inCapCol2.style.fontFamily = 'Helvetica';
		inCapCol2.style.fontWeight = 'bold';
		inCapCol2.style.color = '#ffffff';
		inCapCol2.style.textShadow = '0px 2px 4px #000000';
		inCapCol2.style.whiteSpace = 'nowrap';
		inCapRow1.appendChild(inCapCol2);
		
		var inCapCol3 = document.createElement("td");
		inCapRow1.appendChild(inCapCol3);
		var inCapImg2 = document.createElement("img");
		inCapImg2.setAttribute('src', zoomImagesURI+'zoom-caption-r.png');
		inCapImg2.setAttribute('width', '13');
		inCapImg2.setAttribute('height', '26');
		inCapImg2.style.display = 'block';
		inCapCol3.appendChild(inCapImg2);
	}
}

/**
 * Author: wbsifan
 * QQ: 29500196
 * 20:24 2009-2-25
 * Copyright ? 2008 Diqiye.Com,All Rights Reserved　
 */ 
 
if(page<size-go){
	start = 0;
} else if(page<num-size+go){
	start = page-go;
} else{
	start = num-size;
}

// 显示缩略图
function show_thumb(){
	var end = start + size;
	for(i=0; i<=num; i++){
		if(i>=start && i<end){
			$('#thumb_'+i).show();
		} else{
			$('#thumb_'+i).hide();
		}
		$('#thumb_'+i).removeClass('on');
	}
	$('#thumb_'+page).addClass('on');
	
	if(start>0){
		$('#thumb_pre').removeClass('thumb_pre_off');
		$('#thumb_pre').addClass('thumb_pre_on');
	} else{
		$('#thumb_pre').removeClass('thumb_pre_on');
		$('#thumb_pre').addClass('thumb_pre_off');
	}
	if(start < num-size){
		$('#thumb_next').removeClass('thumb_next_off');
		$('#thumb_next').addClass('thumb_next_on');
	} else{
		$('#thumb_next').removeClass('thumb_next_on');
		$('#thumb_next').addClass('thumb_next_off');
	}
	
}


// 下一页
function thumb_next(){
	if(start < num-size){
		++start;
	} 
	show_thumb();
}

// 上一页
function thumb_pre(){
	if(start > 0){
		--start;
	}
	show_thumb();
}

// 消息框
function msgbox(msg){
	 var o = $('#msgbox');
	 $('#msgcon').html(msg);
     o.css("left",(($(document).width())/2-(parseInt(o.width())/2))+"px");
     //o.css("top",(($(document).height())/2-(parseInt(o.height())/2))+"px");
     o.css("top","300px");
	 o.fadeIn("fast");
	 setTimeout(tb_remove, "5000");
}

// 关闭
function tb_remove(){
	$('#msgbox').fadeOut("fast");
}

function hit(id, albumid){
	//alert(id);
	var o = $('#'+id);
	var val = parseInt(o.html());
	var url = "/index.php?m=album&a=hit&id="+albumid+"&do="+id;
	$.ajax({
		url: url,
		cache: false,
		//async: false
		success:function(rs){
			if(rs=='1'){
				++val;
				o.html(val);
			} else{
				msgbox('只能操作一次哦~');
			}
		}
	}); 
}

// 调用关注数
function show_views(id, views){
	var c_name="MP_BAR[visited_"+id+"]";
	if (get_cookie(c_name) == "1"){
		$('#con_views').html(views);
	} else{
		$.ajax({
			url:'/index.php?m=album&a=views&val='+views+'&id='+id,
			cache: false,
			success:function(res){
				$('#con_views').html(res);
			}
		})	
	}		
}

// 调用评论
function show_comment(id){
	$.ajax({
		url:'/index.php?m=album&a=comment&id='+id,
		cache: false,
		success:function(res){
			$('#con_comments').html(res);
		}
	});
}

// 发表评论
function post_comment(id){
	var o = $('#from_comment');
	if(validator(o.get(0))){
		var r = o.serialize();
		$.ajax({
			type: 'POST',
			url: '/index.php?m=album&a=comment&id='+id,
			data: r,
			cache: false,
			success:function(res){
				if(res=='500'){
					alert('验证码不正确!');
				} else{
					$('#con_comments').html(res);
				}
			}
		});
	}
}

// 选择评论
function change_com_cn(val){
	$('#com_con').val(val);
}
function autoplay(){
	var cookie=get_cookie(id);
	if (cookie == "yes")
	{
		var pp = page+1;
		if(pp != num) {
			gtimer = setTimeout("dPlayNext()",8000);
		}
		else
		{ msgbox("播放完毕."); }
	}
	var t_t=parseInt(getCookie("time"));
	if (t_t > 20) {	
		msgbox("兄弟,离开的时候记得帮点一点广告吧.我们十分需要你的支持啊");
		t_t=0; 
	}
	t_t=t_t+1;
	setCookie("time",t_t,1);
}
function dPlay()
	{
		if(gtimer) {
			set_cookie(id,"no");
			clearTimeout(gtimer);
		}
		else {
			set_cookie(id,"yes");
			dPlayNext();
		}
	}
function oCopy(obj){ 
obj.select(); 
js=obj.createTextRange(); 
js.execCommand("Copy");
alert("复制图片成功！\r\n 请发布到你喜欢的论坛或者介绍给你朋友."); 
}
// 图片预览
function showpic(event,imgsrc){	
	getSize();
	var left = event.clientX+document.body.scrollLeft+20;
	var top = event.clientY+myScroll+20;
	$("#preview").css({left:left,top:top,display:""});
	$("#pic_a1").attr("src",imgsrc);
}
// 取消预览
function hiddenpic(){
	$("#preview").css({display:"none"});
}


var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
var is_mac = userAgent.indexOf('mac') != -1;
document.onkeyup = function(e){
		e = e ? e : window.event;
		var tagname = is_ie ? e.srcElement.tagName : e.target.tagName;
		if(tagname == 'INPUT' || tagname == 'TEXTAREA') return;
		actualCode = e.keyCode ? e.keyCode : e.charCode;
		if(actualCode == 37 ) { dPlayPe(); }
		if(actualCode == 39 ) { dPlayNext(); }
}
/*
 * Copyright (c) 2006-2008 coderhome.net
 * All rights reserved.
 * Support : 志凡(dzjzmj@163.com)
 *
 * Version :  1.0
 */

var FormValid = function(frm) {
    this.frm = frm;
    this.errMsg = new Array();
	this.errName = new Array();
   
    this.required = function(inputObj) {
        if (typeof(inputObj) == "undefined" || inputObj.value.trim() == "") {
            return false;
        }
		return true;
    }
    
    this.eqaul = function(inputObj, formElements) {
		var fstObj = inputObj;
		var sndObj = formElements[inputObj.getAttribute('eqaulName')];
		
        if (fstObj != null && sndObj != null) {
            if (fstObj.value != sndObj.value) {
               return false;
            }
        }
		return true;
    }

    this.gt = function(inputObj, formElements) {
		var fstObj = inputObj;
		var sndObj = formElements[inputObj.getAttribute('eqaulName')];
		
        if (fstObj != null && sndObj != null && fstObj.value.trim()!='' && sndObj.value.trim()!='') {
            if (parseFloat(fstObj.value) <= parseFloat(sndObj.value)) {
                 return false;
            }
        }
		return true;
    }

	this.compare = function(inputObj, formElements) {
		var fstObj = inputObj;
		var sndObj = formElements[inputObj.getAttribute('objectName')];
        if (fstObj != null && sndObj != null && fstObj.value.trim()!='' && sndObj.value.trim()!='') {
            if (!(eval(parseFloat(fstObj.value) + inputObj.getAttribute('operate') + parseFloat(sndObj.value)))) {
                 return false;
            }
        }
		return true;
	}
	
	this.limit = function (inputObj) {
		var len = inputObj.value.length;
		if (len) {
			var minv = parseInt(inputObj.getAttribute('min'));
			var maxv = parseInt(inputObj.getAttribute('max'));
			minv = minv || 0;
			maxv = maxv || Number.MAX_VALUE;
			return minv <= len && len <= maxv;
		}
		return true;
	}
	
	this.range = function (inputObj) {
		var val = parseInt(inputObj.value);
		if (inputObj.value) {
			var minv = parseInt(inputObj.getAttribute('min'));
			var maxv = parseInt(inputObj.getAttribute('max'));
			minv = minv || 0;
			maxv = maxv || Number.MAX_VALUE;
		
			return minv <= val && val <= maxv;
		}
		return true;
	}
	
	this.requireChecked = function (inputObj) {
		var minv = parseInt(inputObj.getAttribute('min'));
		var maxv = parseInt(inputObj.getAttribute('max'));
		minv = minv || 1;
		maxv = maxv || Number.MAX_VALUE;
	
		var checked = 0;
		var groups = document.getElementsByName(inputObj.name);
		
		for(var i=0;i<groups.length;i++) {
			if(groups[i].checked) checked++;
			
		}
		return minv <= checked && checked <= maxv;
	}
	
	this.filter = function (inputObj) {
		var value = inputObj.value;
		var allow = inputObj.getAttribute('allow');
		if (value.trim()) {
			return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, allow.split(/\s*,\s*/).join("|")), "gi").test(value);
		}
		return true;
	}
	
	this.isNo = function (inputObj) {
		var value = inputObj.value;
		var noValue = inputObj.getAttribute('noValue');
		return value!=noValue;
	}
 	this.isTelephone = function (inputObj) {
        inputObj.value = inputObj.value.trim();
        if (inputObj.value == '') {
            return true;
        } else {
            if (!RegExps.isMobile.test(inputObj.value) && !RegExps.isPhone.test(inputObj.value)) {
				return false;
			}
        }
        return true;
	}
    this.checkReg = function(inputObj, reg, msg) {
        inputObj.value = inputObj.value.trim();

        if (inputObj.value == '') {
            return true;
        } else {
            return reg.test(inputObj.value);
        }
    }

    this.passed = function() {
        if (this.errMsg.length > 0) {
            FormValid.showError(this.errMsg,this.errName,this.frm.name);
			if (this.errName[0].indexOf('[')==-1) {
            	frt = document.getElementsByName(this.errName[0])[0];
				if (frt.type=='text' || frt.type=='password') {
					frt.focus();
				}
			}
            return false;
        } else {
          return FormValid.succeed();
        }
    }

    this.addErrorMsg = function(name,str) {
        this.errMsg.push(str);
		this.errName.push(name);
    }
	
    this.addAllName = function(name) {
		FormValid.allName.push(name);
    }
}
FormValid.allName = new Array();
FormValid.showError = function(errMsg) {
	var msg = "";
	for (i = 0; i < errMsg.length; i++) {
		msg += "- " + errMsg[i] + "\n";
	}
	alert(msg);
}
FormValid.succeed = function () {
	return true;
}
function validator(frm) {
	var formElements = frm.elements;
	var fv = new FormValid(frm);
	FormValid.allName = new Array();
	for (var i=0; i<formElements.length;i++) {
		if (formElements[i].disabled==true) continue;
		var msgs = fvCheck(formElements[i],fv,formElements);
		if (msgs.length>0) {
			for (n in msgs) {
				fv.addErrorMsg(formElements[i].name,msgs[n]);
			}
		}
	}
	return fv.passed();
}
function fvCheck(e,fv,formElements) {
	var validType = e.getAttribute('valid');
	var errorMsg = e.getAttribute('errmsg');
	if (!errorMsg) {
		errorMsg = '';
	}
	if (validType==null) return [];
	fv.addAllName(e.name);
	var vts = validType.split('|');
	var ems = errorMsg.split('|');
	var r = [];
	for (var j=0; j<vts.length; j++) {
		var curValidType = vts[j];
		var curErrorMsg = ems[j];
		var validResult;
		switch (curValidType) {
		case 'isNumber':
		case 'isEmail':
		case 'isPhone':
		case 'isMobile':
		case 'isIdCard':
		case 'isMoney':
		case 'isZip':
		case 'isQQ':
		case 'isInt':
		case 'isEnglish':
		case 'isChinese':
		case 'isUrl':
		case 'isDate':
		case 'isTime':
			validResult = fv.checkReg(e,RegExps[curValidType],curErrorMsg);
			break;
		case 'regexp':
			validResult = fv.checkReg(e,new RegExp(e.getAttribute('regexp'),"g"),curErrorMsg);
			break;
		case 'custom':
			validResult = eval(e.getAttribute('custom')+'(e,formElements)');
			break;
		default :
			validResult = eval('fv.'+curValidType+'(e,formElements)');
			break;
		}
		if (!validResult) r.push(curErrorMsg);
	}
	return r;
}
String.prototype.trim = function() {
	return this.replace(/^\s*|\s*$/g, "");
}
var RegExps = function(){};
RegExps.isNumber = /^[-\+]?\d+(\.\d+)?$/;
RegExps.isEmail = /([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)/;
RegExps.isPhone = /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/;
RegExps.isMobile = /^((\(\d{2,3}\))|(\d{3}\-))?(13|15)\d{9}$/;
RegExps.isIdCard = /(^\d{15}$)|(^\d{17}[0-9Xx]$)/;
RegExps.isMoney = /^\d+(\.\d+)?$/;
RegExps.isZip = /^[1-9]\d{5}$/;
RegExps.isQQ = /^[1-9]\d{4,10}$/;
RegExps.isInt = /^[-\+]?\d+$/;
RegExps.isEnglish = /^[A-Za-z]+$/;
RegExps.isChinese =  /^[\u0391-\uFFE5]+$/;
RegExps.isUrl = /^http[s]?:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;
RegExps.isDate = /^\d{4}-\d{1,2}-\d{1,2}$/;
RegExps.isTime = /^\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}:\d{1,2}$/;