在
<body> 与 </body> 之间加入： <DIV id=floater style="LEFT:
179px; TOP: 20px; width: 80px; height: 31px">
<IMG height=31 src="../images/5dcity.jpg"
width=88>
</DIV> <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;
<!-- STALKER
CODE -->
function heartBeat() {
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);
else percent
= Math.floor(percent);
if(IE) document.all.floater.style.pixelTop += percent;
if(NS)
document.floater.top += percent;
lastScrollY = lastScrollY + percent;
}
if(diffX
!= lastScrollX) {
percent = .1 * (diffX - lastScrollX);
if(percent >
0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE)
document.all.floater.style.pixelLeft += percent;
if(NS) document.floater.left
+= percent;
lastScrollX = lastScrollX + percent;
}
}
function
checkFocus(x,y) {
stalkerx = document.floater.pageX;
stalkery = document.floater.pageY;
stalkerwidth
= document.floater.clip.width;
stalkerheight = document.floater.clip.height;
if(
(x > stalkerx && x < (stalkerx+stalkerwidth))
&& (y
> stalkery && y < (stalkery+stalkerheight)))
return true;
else
return false;
}
function grabIt(e) {
if(IE) {
whichIt = event.srcElement;
while
(whichIt.id.indexOf("floater") == -1) {
whichIt = whichIt.parentElement;
if
(whichIt == null) { return true; }
}
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.MOUSEMOVE);
if(checkFocus
(e.pageX,e.pageY)) {
whichIt = document.floater;
StalkerTouchedX = e.pageX-document.floater.pageX;
StalkerTouchedY
= e.pageY-document.floater.pageY;
}
}
return true;
}
function
moveIt(e) {
if (whichIt == null) { return false; }
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;
return
false;
}
return false;
}
function dropIt() {
whichIt = null;
if(NS)
window.releaseEvents (Event.MOUSEMOVE);
return true;
}
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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