function checkRes(url) {
	
	if ((screen.width <= 800) && (screen.height <= 600))
	mywin = window.open(url,"window",'toolbar=no,location=no,screenX=10,left=10,screenY=10,top=10,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=400');
	
	else if ((screen.width == 832) && (screen.height == 624))
	mywin = window.open(url,"window",'toolbar=no,location=no,screenX=10,left=10,screenY=10,top=10,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=400');
	
	else if ((screen.width >= 1024) && (screen.height >= 768))
	mywin = window.open(url,"window",'toolbar=no,location=no,screenX=10,left=10,screenY=10,top=10,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=850,height=550');
	
	else mywin = window.open(url,"window",'toolbar=no,location=no,screenX=10,left=10,screenY=10,top=10,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=400');
	}