<img id="img1" src="http://community.csdn.net/logo/Images/newyear.jpg">
<script language=javascript>
var obj=document.getElementById("img1")
if(obj.width>50)
{
obj.width=50;
}
if(obj.height>50)
{
obj.height=50;
}
</script>
<script language=javascript>
var obj=document.getElementById("img1")
if(obj.width>50)
{
obj.width=50;
}
if(obj.height>50)
{
obj.height=50;
}
</script>
<img id="img1" src="http://community.csdn.net/logo/Images/newyear.jpg">
<script language=javascript>
var obj=document.getElementById("img1")
obj.width=((obj.width>50)?50:obj.width)
obj.height=((obj.height>50)?50:obj.height)
</script>
<img src="haha.gif">
</div>
<div style="FILTER: progid:DXImageTransform.Microsoft.BasicImage(Rotation=3); height: 1px">
<img src="haha.gif">
</div>