function popwindow(flv)
{
var leftPos;	
var popwin;
leftPos=(screen.width/2)-225;
popwin=window.open(flv,'mywindow','width=450, height=400, toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no,resizable=no,left='+leftPos+',top=0');	
}

function popup1(flv)
{
var leftPos;	
var popwin;
leftPos=(screen.width/2)-225;
popwin=window.open('popconstruction.htm','BSA','width=616,height=462,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no,resizable=no,left='+leftPos+',top=0')	
}

function popup2(flv)
{
var leftPos;	
var popwin;
leftPos=(screen.width/2)-225;
popwin=window.open('popdispresolution.htm','BSA','width=616,height=462,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no,resizable=no,left='+leftPos+',top=0')	
}