鼠标滑过出现揭示层效果js代码 javascript（转）
鼠标滑过出现提示层效果js代码 javascript（转）
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演示 源码source code： |
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <htmlxmlns="http://www.w3.org/1999/xhtml">
- <head>
- <metahttp-equiv="Content-Type"content="text/html;charset=gb2312"/>
- <title>鼠标滑过出现提示层效果js代码javascript</title>
- <scripttype="text/javascript">
- functionenableTooltips(id){
- varlinks,i,h;
- if(!document.getElementById||!document.getElementsByTagName)return;
- AddCss();
- h=document.createElement("span");
- h.id="btc";
- h.setAttribute("id","btc");
- h.style.position="absolute";
- document.getElementsByTagName("body")[0].appendChild(h);
- if(id==null)links=document.getElementsByTagName("a");
- elselinks=document.getElementById(id).getElementsByTagName("a");
- for(i=0;i<links.length;i++){
- Prepare(links[i]);
- }
- }functionPrepare(el){
- vartooltip,t,b,s,l;
- t=el.getAttribute("title");
- if(t==null||t.length==0)t="link:";
- el.removeAttribute("title");
- tooltip=CreateEl("span","tooltip");
- s=CreateEl("span","top");
- s.appendChild(document.createTextNode(t));
- tooltip.appendChild(s);
- b=CreateEl("b","bottom");
- l=el.getAttribute("href");
- if(l.length>30)ll=l.substr(0,27)+"...";
- b.appendChild(document.createTextNode(l));
- tooltip.appendChild(b);
- setOpacity(tooltip);
- el.tooltip=tooltip;
- el.onmouseover=showTooltip;
- el.onmouseout=hideTooltip;
- el.onmousemove=Locate;
- }functionshowTooltip(e){
- document.getElementById("btc").appendChild(this.tooltip);
- Locate(e);
- }functionhideTooltip(e){
- vard=document.getElementById("btc");
- if(d.childNodes.length>0)d.removeChild(d.firstChild);
- }functionsetOpacity(el){
- el.style.filter="alpha(opacity:95)";
- el.style.KHTMLOpacity="0.95";
- el.style.MozOpacity="0.95";
- el.style.opacity="0.95";
- }functionCreateEl(t,c){
- varx=document.createElement(t);
- x.className=c;
- x.style.display="block";
- return(x);
- }functionAddCss(){
- varl=CreateEl("link");
- l.setAttribute("type","text/css");
- l.setAttribute("rel","stylesheet");
- l.setAttribute("href","?.css");
- l.setAttribute("media","screen");
- document.getElementsByTagName("head")[0].appendChild(l);
- }functionLocate(e){
- varposx=0,posy=0;
- if(e==null)e=window.event;
- if(e.pageX||e.pageY){
- posx=e.pageX;posy=e.pageY;
- }
- elseif(e.clientX||e.clientY){
- if(document.documentElement.scrollTop){
- posx=e.clientX+document.documentElement.scrollLeft;
- posy=e.clientY+document.documentElement.scrollTop;
- }
- else{
- posx=e.clientX+document.body.scrollLeft;
- posy=e.clientY+document.body.scrollTop;
- }
- }
- document.getElementById("btc").style.top=(posy+10)+"px";
- document.getElementById("btc").style.left=(posx-20)+"px";
- }
- </script>
- <scripttype="text/javascript">
- window.onload=function(){enableTooltips()};
- </script>
- <styletype="text/css">
- body{font:76%/1.5Arial,sans-serif;background:#FFF;color:#333}
- div#container{width:500px;margin:0auto}
- h1{color:#3CA3FF;margin:1em00;letter-spacing:-2px}
- p{margin:001.7em}
- a{color:#F60;font-weight:bold}
- a:hover{color:#F00}
- .tooltip{
- width:200px;color:#000;
- font:lighter11px/1.3Arial,sans-serif;
- text-decoration:none;text-align:center}.tooltipspan.top{padding:30px8px0;
- background:url(http://www.51flash.cn/wp-content/uploads/2007/0908/200708171844190.gif)no-repeattop}.tooltipb.bottom{padding:3px8px15px;color:#548912;
- background:url(http://www.51flash.cn/wp-content/uploads/2007/0908/200708171844190.gif)no-repeatbottom}
- </style>
- </head>
- <body>
- <divid="container">
- <p><ahref="http://www.51flash.cn"title="welcometoyou">51flash.cn</a></p>
- </div>
- </body>
- </html>