跟随屏幕移动的图像[推荐]修改图片名称和文字即可][共2步]
跟随屏幕移动的图像[推荐]修改图片名称和文字即可][共2步]
====1、将以下代码加入到HEML的<head></head>之间:
<style
type="text/css">
#floater {
position: absolute;
left: 500;
top:
146;
width: 125;
visibility: visible;
z-index:
10;
}</style>
====2、将以下代码加入到HEML的<body></body>之间
<div
ID="floater" style="left: 590px; top: 158px">
<p
align="center"><img SRC="想要显示的图片.gif" alt="图片显示的文字" WIDTH="125"
HEIGHT="60"><br>
<font
color="#FF8040">图片下面的文字</font></p>
</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;
}
}
<!--
/STALKER CODE -->
<!-- DRAG DROP CODE -->
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;
}
<!-- DRAG DROP CODE -->
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>