js鼠标滑轮缩放图片屏蔽滚动条
    在做一个鼠标滑轮缩放图片,滚动滑轮浏览器的滚动条一起滚动,经过一番折腾,终于解决了,贴出来给有有需要的人参考下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 
<html> 
<head> 
<meta HTTP-EQUIV="content-type" CONTENT="text/html; charset=UTF-8"> 
</head> 
<body> 
</body> 
<script> 
var n=1; 
function pingbi(e){
	if (e&&e.preventDefault) { // Firefox     
      e.preventDefault();     
       e.stopPropagation();     
} else { // IE 
		window.event.returnvalue=false
       // window.event.keyCode = -1;     
       return false;     
}     
}
function xiufu(e){
	if (e&&e.preventDefault) { // Firefox     
      e.preventDefault();     
       e.stopPropagation();     
} else { // IE 
		window.event.returnvalue=true;
       // window.event.keyCode = -1;     
       return true;     
}     
}
function mwEvent(e) 
{ 
pingbi(e);
if (!e) e = window.event;
//alert(e.keyCode);
//if(e.preventDefault)e.preventDefault();
			//else e.returnvalue=false;
			//alert(e.keyCode);
if ( e.wheelDelta <= 0 || e.detail > 0) {
	if(n<3)
	n+=0.1; 
} 
else { 
	if(n>1)
	n-=0.1; 
} 
img(n);
window.status=n; 
document.getElementById("show").innerHTML=n;
} 
function pbie(){
	document.onmousewheel= pingbi;
}
function xfie(){
	document.onmousewheel= xiufu;
}
var width,height;
function img(n){
	document.getElementById("test").width=width*n;
	document.getElementById("test").height=height*n;
}
//if(document.attachEvent){ 
//document.attachEvent("onmousewheel",mwEvent); 
//}else{ 
//window.addEventListener("DOMMouseScroll", mwEvent, false); 
//} 
//window.onscroll=function(e){alert(window.event.keyCode);};
function init(){
var tt=document.getElementById("test");
tt.onmouseover=pbie;
tt.onmouseout=xfie;
if(tt.attachEvent){ 
tt.attachEvent("onmousewheel",mwEvent); 
}else{ 
tt.addEventListener("DOMMouseScroll", mwEvent, false); 
} 
width =document.getElementById("test").width;
height=document.getElementById("test").height;
}
</script> 
<body onLoad="init()">
<p>只有第一张图片会缩放,并解决ie下滑轮滚动滚动条一起滚动的问题</p>
<div style="position:relative;height:400px;width:400px;overflow:hidden;border:2px solid #ccf;">
	<img src="te2.jpg" id="test" width="350" height="350"/><br/>
</div>
<img src="test.jpg"  width="350" height="350"/><br/>
<img src="test.jpg"  width="350" height="350"/><br/>
<img src="test.jpg"  width="350" height="350"/><br/>
<div id="show">----</div>
</body>
</html>