function popup(url,name,status,scrollbars,w,h)
{
	var pu;
	pu=window.open(url,name,"toolbar=0,location=0,directories=0,status="+status+",menubar=0,scrollbars="+scrollbars+",resizable=no,copyhistory=0,width="+w+",height="+h);
	pu.focus();
}
function popup(url,name,status,scrollbars,w,h,resizable)
{
	var t=( screen.height-h ) /4;
	var l=( screen.width-w ) /2;
	var pu;
	pu=window.open(url,name,"toolbar=0,location=0,directories=0,status="+status+",menubar=0,scrollbars="+scrollbars+",resizable="+resizable+",copyhistory=0,width="+w+",height="+h+",top="+t+",left="+l);
	pu.focus();
}
var helpWindow;
function popupHelp(URL,width,height)
{
	helpWindow=open(URL,"help","width="+width+",height="+height+",resizable=yes,menubar=no,scrollbars=yes");
	helpWindow.focus();
}