attachEvent MSDN中说随即的
要顺序的话就直接写吧
 <div id="ceng">aaaaaaaaaaaaa</div>
 <script language="javascript">
var div=document.getElementById("ceng");function onclickfangfa()
{
alert("onclickfangfa")
}function onmouseoverfangfa()
{
alert("onmouseoverfangfa")
}function aaa()
{
onmouseoverfangfa();
onclickfangfa();
}
div.attachEvent("onclick",aaa);
</script>