缩小窗口观察 <SCRIPT LANGUAGE=”JavaScript1.2″> <!– /*
Bouncing Image script II (By Dheera Venkatraman dheera@usa.net)
Submitted to and modified by Dynamic Drive for code enhancements For
full source, usage terms, and 100’s more DHTML scripts, visit
*/ //1) specify path to image//图片的路径 var
imagepath=”” //2) specify image
dimensions//图片的大小 var imagewidth=135 var imageheight=60 //3) change
this to adjust speed (lower is slower)//速度 var speed=8; //4) configure
what should happen when user clicks on image //A value of “dismiss” will
dismiss it, while a URL will cause the browser to navigate to it var
imageclick=”dismiss” //5) Finally, configure when the image should
automatically disappear, in seconds (0=perpetual) var hideafter=0 ////No
editing required beyond this point///////////////// var isie=0;
if(window.navigator.appName==”Microsoft Internet
Explorer”&&window.navigator.appVersion.substring(window.navigator.appVersion.indexOf(“MSIE”)+5,window.navigator.appVersion.indexOf(“MSIE”)+8)>=5.5)
{ isie=1; } else { isie=0; } if(isie){ var preloadit=new Image()
preloadit.src=imagepath } function pop() { if(isie) { x=x+dx;y=y+dy;
oPopup.show(x, y, imagewidth, imageheight);
if(x+imagewidth+5>screen.width) dx=-dx;
if(y+imageheight+5>screen.height) dy=-dy; if(x<0) dx=-dx;
if(y<0) dy=-dy; startani=setTimeout(“pop();”,50); } } function
dismisspopup(){ clearTimeout(startani) oPopup.hide() } function
dowhat(){ if (imageclick==”dismiss”) dismisspopup() else
window.location=imageclick } if(isie) { var x=0,y=0,dx=speed,dy=speed;
var oPopup = window.createPopup(); var oPopupBody =
oPopup.document.body; oPopupBody.style.cursor=”hand”
oPopupBody.innerHTML = ‘<IMG SRC=”‘+preloadit.src+'”>’;
oPopup.document.body.onmouseover=new Function(“clearTimeout(startani)”)
oPopup.document.body.onmouseout=pop oPopup.document.body.onclick=dowhat
pop(); if (hideafter>0) setTimeout(“dismisspopup()”,hideafter*1000)
} // –> </SCRIPT>

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