function openWindowBack() {
	var popUpWin = open("gonggao.htm", "popUpWinBack", "toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=0,width=540,height=480");

//window.showModalDialog('popwinback.htm', 0 ,'dialogWidth:350px;dialogHeight:300px;center:yes;status:no;help:no;scrollbar:no;resizable:no');
}
function openWinBack800() {
	var popUpWin = open("popwinback800.htm", "popWinBack800", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width=800,height=550");

}
try{
	setTimeout("openWindowBack()",1500); 
	//aryADSeq.push("openWindowBack()");
	//aryADSeq.push("openWinBack800()");
}catch(e){
	openWindowBack();
	//openWinBack800();
}