Scroll mouse zoom-in image effect based on jquery_jquery

$ (function(){
$(".body img").each(function(){
if($.browser.msie){
$(this).bind("mousewheel",function (e){
var e=e||event,v=e.wheelDelta||e.detail;
if(v>0)
resizeImg(this,false);//Enlarge the picture
else
resizeImg(this,true);//Reduce the image
window.event.returnValue = false;//Remove the browser's default scroll event
//e.stopPropagation();
return false;
})
}else{
$(this).bind("DOMMouseScroll",function(event){
if(event.detail<0)
resizeImg (this,false);
else
resizeImg(this,true);
event.preventDefault()//Remove the browser default scroll event

//event.stopPropagation(); })
}
});
function resizeImg(node,isSmall){
if(!isSmall){
$(node).height($(node).height() *1.2);
}else
{
$(node).height($(node).height()*0.8);
}
}
});