求助代码详解
<SCRIPT language=javascript>function PopupCatSel()
{
var selProdWnd=window.open("select_sort.asp","new","resizable=yes,width=580,height=320,top=0,scrollbars=yes");
if(selProdWnd.opener== null)
selProdWnd.opener = self;
return (false);
}
</SCRIPT>
<SCRIPT language=javascript>
var upfile_obj;
function OnUpFile()
{
upfile_obj.src=upfile_obj.lowsrc;
upfile_obj.src=document.forms["form1"].upfile.value;
}
</SCRIPT>
上面的JS是什么意思啊,哪位大虾,帮帮忙,能在写上注释么,谢谢