悬浮层

< div id =sohususpend
style ="LEFT:90%;POSITION:absolute;TOP:50%;VISIBILITY:visible;width:100px;height:74px" >< a href ="#11" >< img src ="/image/png-097.gif" width ="100" height ="100" border ="0" ></ a ></ div >
< p >< script language =JavaScript > ...
self.onError
=null;
currentX
=currentY=0;
whichIt
=null;
lastScrollX
=0;lastScrollY=0;
NS
=(document.layers)?1:0;
IE
=(document.all)?1:0;
functionheartBeat()...{
if(IE)...{diffY=document.body.scrollTop;diffX=document.body.scrollLeft;}
if(NS)...{diffY=self.pageYOffset;diffX=self.pageXOffset;}
if(diffY!=lastScrollY)...{
percent
=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
elsepercent=Math.floor(percent);
if(IE)document.all.sohususpend.style.pixelTop+=percent;
if(NS)document.sohususpend.top+=percent;
lastScrollY
=lastScrollY+percent;
}

if(diffX!=lastScrollX)...{
percent
=.1*(diffX-lastScrollX);
if(percent>0)percent=Math.ceil(percent);
elsepercent=Math.floor(percent);
if(IE)document.all.sohususpend.style.pixelLeft+=percent;
if(NS)document.sohususpend.left+=percent;
lastScrollX
=lastScrollX+percent;
}

}

functioncheckFocus(x,y)...{
stalkerx
=document.sohususpend.pageX;
stalkery
=document.sohususpend.pageY;
stalkerwidth
=document.sohususpend.clip.width;
stalkerheight
=document.sohususpend.clip.height;
if((x>stalkerx&&x<(stalkerx+stalkerwidth))&&(y>stalkery&&y<(stalkery+stalkerheight)))returntrue;
elsereturnfalse;
}

functiongrabIt(e)...{
if(IE)...{
whichIt
=event.srcElement;
while(whichIt.id.indexOf("sohususpend")==-1)...{
whichIt
=whichIt.parentElement;
if(whichIt==null)...{returntrue;}
}

whichIt.style.pixelLeft
=whichIt.offsetLeft;
whichIt.style.pixelTop
=whichIt.offsetTop;
currentX
=(event.clientX+document.body.scrollLeft);
currentY
=(event.clientY+document.body.scrollTop);
}
else...{
window.captureEvents(Event.MOUSEDOWN);
if(checkFocus(e.pageX,e.pageY))...{
whichIt
=document.sohususpend;
StalkerTouchedX
=e.pageX-document.sohususpend.pageX;
StalkerTouchedY
=e.pageY-document.sohususpend.pageY;
}

}

returntrue;
}

functionmoveIt(e)...{
if(whichIt==null)...{returnfalse;}
if(IE)...{
newX
=(event.clientX+document.body.scrollLeft);
newY
=(event.clientY+document.body.scrollTop);
distanceX
=(newX-currentX);distanceY=(newY-currentY);
currentX
=newX;currentY=newY;
whichIt.style.pixelLeft
+=distanceX;
whichIt.style.pixelTop
+=distanceY;
if(whichIt.style.pixelTop<document.body.scrollTop)whichIt.style.pixelTop=document.body.scrollTop;
if(whichIt.style.pixelLeft<document.body.scrollLeft)whichIt.style.pixelLeft=document.body.scrollLeft;
if(whichIt.style.pixelLeft>document.body.offsetWidth-document.body.scrollLeft-whichIt.style.pixelWidth-20)whichIt.style.pixelLeft=document.body.offsetWidth-whichIt.style.pixelWidth-20;
if(whichIt.style.pixelTop>document.body.offsetHeight+document.body.scrollTop-whichIt.style.pixelHeight-5)whichIt.style.pixelTop=document.body.offsetHeight+document.body.scrollTop-whichIt.style.pixelHeight-5;
event.returnValue
=false;
}
else...{
whichIt.moveTo(e.pageX
-StalkerTouchedX,e.pageY-StalkerTouchedY);
if(whichIt.left<0+self.pageXOffset)whichIt.left=0+self.pageXOffset;
if(whichIt.top<0+self.pageYOffset)whichIt.top=0+self.pageYOffset;
if((whichIt.left+whichIt.clip.width)>=(window.innerWidth+self.pageXOffset-17))whichIt.left=((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
if((whichIt.top+whichIt.clip.height)>=(window.innerHeight+self.pageYOffset-17))whichIt.top=((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
returnfalse;
}

returnfalse;
}

functiondropIt()...{
whichIt
=null;
if(NS)window.releaseEvents(Event.MOUSEDOWN);
returntrue;
}

if(NS)...{
window.captureEvents(Event.MOUSEUP
|Event.MOUSEDOWN);
window.onmousedown
=grabIt;
window.onmousemove
=moveIt;
window.onmouseup
=dropIt;
}

if(IE)...{
document.onmousedown
=grabIt;
document.onmousemove
=moveIt;
document.onmouseup
=dropIt;
}

if(NS||IE)action=window.setInterval("heartBeat()",1);
</ script >

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