function showurl(url)
{
if (top.showurlinfrm_dtl)
{
if ( ! top.canResize )
			{
				parent.parent.frm_btm.chgfrm() ;
				parent.frm_dtl.location.href=url;
			}
else
parent.frm_dtl.location.href=url;			
}
else
location.href=url;
}
function confirmit()
{
if(confirm("是否确认此操作？"))
return true;
else
return false;
}