javascript双向放大缩小广告代码_图象特效

<title>双向放大缩小广告代码-脚本之家</title> <meta http-equiv="imagetoolbar" content="no"> <style type="text/css"> html { overflow: hidden; } body { background: #222; width: 100%; height: 100%; cursor: crosshair; } .spanSlide { position: absolute; background: #000; font-size: 1px; overflow: hidden; } .imgSlide { position: absolute; left: 5%; top: 5%; width: 90%; height: 90%; overflow: hidden; } .txtSlide { position: absolute; top: 5%; left: 50px; width:100%; color:#FFF; font-family: arial, helvetica, verdana, sans-serif; font-weight: bold; font-size:96px; letter-spacing:12px; filter: alpha(opacity=70); -moz-opacity:0.7; opacity:0.7; } </style> <script type="text/javascript"> var ym=0; var ny=0; createElement = function(container, type, param){ o=document.createElement(type); for(var i in param)o[i]=param[i]; container.appendChild(o); return o; } mooz = { O:[], ///////// mult:6, nbI:5, ///////// rwh:0, imgsrc:0, W:0, H:0, Xoom:function(N){ this.o = createElement(document.getElementById("screen"), "span", { 'className':'spanSlide' }); img = createElement(this.o, "img", { 'className':"imgSlide", 'src':mooz.imgsrc[N%mooz.imgsrc.length].src }); spa = createElement(this.o, "span", { 'className':"imgSlide" }); txt = createElement(spa, "span", { 'className':"txtSlide", 'innerHTML':mooz.imgsrc[N%mooz.imgsrc.length].title }); this.N = 10000+N; }, mainloop:function(){ with(this){ for(i=0; i<mooz.nbI; i++) { O[i].N += (ym-ny)/8000; N = O[i].N%nbI; ti = Math.pow(mult,N); with(O[i].o.style){ left = Math.round((W-(ti*rwh))/(W+ti)*(W*.5)) +"px"; top = Math.round((H-ti)/(H+ti)*(H*.5))+"px"; zIndex = Math.round(10000-ti*.1); width = Math.round(ti*rwh)+"px"; height = Math.round(ti)+"px"; } } } setTimeout("mooz.mainloop();", 16); }, oigres:function(){ with(this){ W = parseInt(document.getElementById("screen").style.width); H = parseInt(document.getElementById("screen").style.height); imgsrc = document.getElementById("images").getElementsByTagName ("img"); rwh = imgsrc[0].width/imgsrc[0].height; for(var i=0;i<nbI;i++) O[i] = new Xoom(i); mainloop(); } } } document.onmousemove = function(e){ if(window.event) e=window.event; ym = (e.y || e.clientY); if(ym/2>ny)ny=ym/2; } window.onload = function(){ ym = ny+50; mooz.oigres(); } </script> <div style="position:absolute;left:50%;top:50%"> <div style="position:absolute;width:720px;height:560px;left:-360px;top:- 280px;background:#fff"></div> <div style="position:absolute;left:-40px;top:-6px;color:#000;font-family:arial;font -size:0.9em">Loading...</div> <div id="screen" style="position:absolute;width:640px;height:480px;left:-320px;top: -240px;overflow:hidden"></div> </div> <div id="images" style="visibility:hidden"> <img src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/20080512223441429.jpg" class="lazy" title="infinite" alt="javascript双向放大缩小广告代码_图象特效" > <img src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/20080512223442360.jpg" class="lazy" title="yellow" alt="javascript双向放大缩小广告代码_图象特效" > <img src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/20080512223443364.jpg" class="lazy" title="earth" alt="javascript双向放大缩小广告代码_图象特效" > <img src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/20080512223443803.jpg" class="lazy" title="dream" alt="javascript双向放大缩小广告代码_图象特效" > <img src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/20080512223444700.jpg" class="lazy" title="flowers" alt="javascript双向放大缩小广告代码_图象特效" > </div>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]