帮忙在JS里加个功能
/** Thickbox 2.0 - One Box To Rule Them All.
* By Cody Lindley (http://www.)
* Copyright (c) 2006 cody lindley
* Licensed under the MIT License:
* http://www.
* Thickbox is built on top of the very light weight jQuery library.
*/
//on page load call TB_init
$(document).ready(TB_init);
//add thickbox to href elements that have a class of .thickbox
function TB_init(){
$("a.thickbox").click(function(){
var t = this.title || this.name || null;
var g = this.rel || false;
TB_show(t,this.href,g);
this.blur();
return false;
});
}
function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
try {
if (document.getElementById("TB_HideSelect") == null) {
$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
$("#TB_overlay").click(TB_remove);
}
if(caption==null){caption=""};
$(window).scroll(TB_position);
TB_overlaySize();
$("body").append("<div id='TB_load'><img src='thickbox/loadingAnimation.gif' /></div>");
TB_load_position();
var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.txt|\.bmp/g;
var urlType = url.toLowerCase().match(urlString);
if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
TB_PrevCaption = "";
TB_PrevURL = "";
TB_PrevHTML = "";
TB_NextCaption = "";
TB_NextURL = "";
TB_NextHTML = "";
TB_imageCount = "";
TB_FoundURL = false;
if(imageGroup){
TB_TempArray = $("a[@rel="+imageGroup+"]").get();
for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML == "")); TB_Counter++) {
var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
if (!(TB_TempArray[TB_Counter].href == url)) {
if (TB_FoundURL) {
TB_NextCaption = TB_TempArray[TB_Counter].title;
TB_NextURL = TB_TempArray[TB_Counter].href;
TB_NextHTML = "<span id='TB_next'> <a href='#'>Next ></a></span>";
} else {
TB_PrevCaption = TB_TempArray[TB_Counter].title;
TB_PrevURL = TB_TempArray[TB_Counter].href;
TB_PrevHTML = "<span id='TB_prev'> <a href='#'>< Prev</a></span>";
}
} else {
TB_FoundURL = true;
TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
}
}
}
imgPreloader = new Image();
imgPreloader.onload = function(){
imgPreloader.onload = null;
// Resizing large images - orginal by Christian Montoya edited by me.
var pagesize = TB_getPageSize();
var x = pagesize[0] - 150;
var y = pagesize[1] - 150;
var imageWidth = imgPreloader.width;
var imageHeight = imgPreloader.height;
if (imageWidth > x) {
imageHeight = imageHeight * (x / imageWidth);
imageWidth = x;
if (imageHeight > y) {
imageWidth = imageWidth * (y / imageHeight);
imageHeight = y;
}
} else if (imageHeight > y) {
imageWidth = imageWidth * (y / imageHeight);
imageHeight = y;
if (imageWidth > x) {
imageHeight = imageHeight * (x / imageWidth);
imageWidth = x;
}
}
// End Resizing
TB_WIDTH = imageWidth + 30;
TB_HEIGHT = imageHeight + 60;
$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close or Escape Button'>关闭</a></div>");
$("#TB_closeWindowButton").click(TB_remove);
if (!(TB_PrevHTML == "")) {
function goPrev(){
if($(document).unclick(goPrev)){$(document).unclick(goPrev)};
$("#TB_window").remove();
$("body").append("<div id='TB_window'></div>");
$(document).unkeyup();
TB_show(TB_PrevCaption, TB_PrevURL, imageGroup);
return false;
}
$("#TB_prev").click(goPrev);
$(document).keyup( function(e){ var key = e.keyCode; if(key == 37){goPrev()} });
}
if (!(TB_NextHTML == "")) {
function goNext(){
$("#TB_window").remove();
$("body").append("<div id='TB_window'></div>");
$(document).unkeyup();
TB_show(TB_NextCaption, TB_NextURL, imageGroup);
return false;
}
$("#TB_next").click(goNext);
$(document).keyup( function(e){ var key = e.keyCode; if(key == 39){goNext()} });
}
TB_position();
$("#TB_load").remove();
$("#TB_ImageOff").click(TB_remove);
$("#TB_window").css({display:"block"}); //for safari using css instead of show
}
imgPreloader.src = url;
}
if(urlType=='.htm'||urlType=='.html'||urlType=='.php'||urlType=='.asp'||urlType=='.aspx'||urlType=='.jsp'||urlType=='.jst'||urlType=='.rb'||urlType=='.txt'||urlType=='.cfm' || (url.indexOf('TB_inline') != -1) || (url.indexOf('TB_iframe') != -1) ){//code to show html pages
var queryString = url.replace(/^[^\?]+\??/,'');
var params = TB_parseQuery( queryString );
TB_WIDTH = (params['width']*1) + 30;
TB_HEIGHT = (params['height']*1) + 40;
ajaxContentW = TB_WIDTH - 30;
ajaxContentH = TB_HEIGHT - 45;
if(url.indexOf('TB_iframe') != -1){
urlNoQuery = url.substr(0,TB_strpos(url, "?"));
$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>关闭</a></div></div><iframe src='"+urlNoQuery+"' id='TB_iframeContent' style='width:"+(ajaxContentW + 30)+"px;height:"+(ajaxContentH + 18)+"px;'></iframe>");
}else{
$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>关闭</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
}
$("#TB_closeWindowButton").click(TB_remove);
if(url.indexOf('TB_inline') != -1){
$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
TB_position();
$("#TB_load").remove();
$("#TB_window").css({display:"block"});
}else if(url.indexOf('TB_iframe') != -1){
TB_position();
$("#TB_load").remove();
$("#TB_window").css({display:"block"});
}else{
$("#TB_ajaxContent").load(url, function(){
TB_position();
$("#TB_load").remove();
$("#TB_window").css({display:"block"});
});
}
}
$(window).resize(TB_position);
} catch(e) {
alert( e );
}
}
//helper functions below
function TB_remove() {
//$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
$('#TB_window,#TB_overlay,#TB_HideSelect').remove();
$("#TB_load").remove();
//$(document).unkeyup();
return false;
}
function TB_position() {
var pagesize = TB_getPageSize();
var arrayPageScroll = TB_getPageScrollTop();
$("#TB_window").css({width:TB_WIDTH+"px",left: ((pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px" });
TB_overlaySize();
}
function TB_overlaySize(){
if (window.innerHeight && window.scrollMaxY) {
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
yScroll = document.body.scrollHeight;
} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
yScroll = document.body.offsetHeight;
}
$("#TB_overlay").css("height",yScroll +"px");
}
function TB_load_position() {
var pagesize = TB_getPageSize();
var arrayPageScroll = TB_getPageScrollTop();
$("#TB_load")
.css({left: ((pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
.css({display:"block"});
}
function TB_parseQuery ( query ) {
var Params = new Object ();
if ( ! query ) return Params; // return empty object
var Pairs = query.split(/[;&]/);
for ( var i = 0; i < Pairs.length; i++ ) {
var KeyVal = Pairs[i].split('=');
if ( ! KeyVal || KeyVal.length != 2 ) continue;
var key = unescape( KeyVal[0] );
var val = unescape( KeyVal[1] );
val = val.replace(/\+/g, ' ');
Params[key] = val;
}
return Params;
}
function TB_getPageScrollTop(){
var yScrolltop;
if (self.pageYOffset) {
yScrolltop = self.pageYOffset;
} else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict
yScrolltop = document.documentElement.scrollTop;
} else if (document.body) {// all other Explorers
yScrolltop = document.body.scrollTop;
}
arrayPageScroll = new Array('',yScrolltop)
return arrayPageScroll;
}
function TB_getPageSize(){
var de = document.documentElement;
var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
arrayPageSize = new Array(w,h)
return arrayPageSize;
}
function TB_strpos(str, ch) {
for (var i = 0; i < str.length; i++)
if (str.substring(i, i+1) == ch) return i;
return -1;
}
我想在这个里面加个可以把图片放大的的功能，就是在这个层上面，页面网址是：http://www.
想搞成这个样子，带放大的：http://www.
