javascript 加速title显示(未测试)

<!--

function killErrors() {

return true;

}

window.onerror = killErrors;

//***********默认设置定义.*********************

tPopWait=50; //停留tWait豪秒后显示提示。

tPopShow=6000; //显示tShow豪秒后关闭提示

showPopStep=20;

popOpacity=95;

fontcolor="#000000";

bgcolor="#FFFFE8";

bordercolor="#000000";

//***************内部变量定义*****************

sPop=null;curShow=null;tFadeOut=null;tFadeIn=null;tFadeWaiting=null;

document.write("<style type='text/css'id='defaultPopStyle'>");

document.write(".cPopText { background-color: " + bgcolor + ";color:" + fontcolor + "; border: 1px " + bordercolor + " solid;font-color:; font-size: 9pt; padding-right: 4px; padding-left: 4px; height:10px; padding-top: 2px; padding-bottom: 2px; filter: Alpha(Opacity=0)}");

document.write("</style>");

document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;' class='cPopText' align='left'></div>");

function showPopupText(){

var o=event.srcElement;

MouseX=event.x;

MouseY=event.y;

if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""};

if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};

if(o.dypop!=sPop) {

sPop=o.dypop;

clearTimeout(curShow);

clearTimeout(tFadeOut);

clearTimeout(tFadeIn);

clearTimeout(tFadeWaiting);

if(sPop==null || sPop=="") {

dypopLayer.innerHTML="";

dypopLayer.style.filter="Alpha()";

dypopLayer.filters.Alpha.opacity=0;

}

else {

if(o.dyclass!=null) popStyle=o.dyclass

else popStyle="cPopText";

curShow=setTimeout("showIt()",tPopWait);

}

}

}

function showIt(){

dypopLayer.className=popStyle;

dypopLayer.innerHTML=sPop;

popWidth=dypopLayer.clientWidth;

popHeight=dypopLayer.clientHeight;

if(MouseX+12+popWidth>document.documentElement.clientWidth) popLeftAdjust=-popWidth-24

else popLeftAdjust=0;

if(MouseY+12+popHeight>document.documentElement.clientHeight) popTopAdjust=-popHeight-24

else popTopAdjust=0;

dypopLayer.style.left=MouseX+12+document.documentElement.scrollLeft+popLeftAdjust;

dypopLayer.style.top=MouseY+12+document.documentElement.scrollTop+popTopAdjust;

dypopLayer.style.filter="Alpha(Opacity=0)";

fadeOut();

}

function fadeOut(){

if(dypopLayer.filters.Alpha.opacity<popOpacity) {

dypopLayer.filters.Alpha.opacity+=showPopStep;

tFadeOut=setTimeout("fadeOut()",1);

}

else {

dypopLayer.filters.Alpha.opacity=popOpacity;

tFadeWaiting=setTimeout("fadeIn()",tPopShow);

}

}

function fadeIn(){

if(dypopLayer.filters.Alpha.opacity>0) {

dypopLayer.filters.Alpha.opacity-=1;

tFadeIn=setTimeout("fadeIn()",1);

}

}

document.onmouseover=showPopupText;

-->