一切皆对象!
<input type="image" onclick="return empty();" src="./meemei/images/comloginan.gif"
style="padding-top: 3px;" onmouseover="javascript:changePic(this)" onmouseout="javascript:changePic2(this)"/>
<script type="text/javascript">
function changePic(obj){
obj.src="./meemei/images/comloginan2.gif";
}
function changePic2(obj){
obj.src="./meemei/images/comloginan.gif";
}
</script>