function showDetail(sid)
{
	var el=document.getElementById(sid);
	if(el.style.display=="none")
	{
	el.style.display="block";
	}
	else
	{
	el.style.display="none";
	}
	
}
function showtip(url){
	retval = window.showModalDialog(url, "Notice:", "dialogWidth:540px; dialogHeight:170px; dialogLeft:50px; dialogTop:50px; status:no; directories:yes;scrollbars:no;Resizable=no; ");
}