var newWin = null;
var sX = 50;
var sY = 10;

function createWin(loc,pg,sW,sH) 
{
	newWin = window.open(loc,'nav_win','toolbar=no,location=no,directories=no,status=yrd,menubar=no,scrollbars=yes,resizable=no,width='+sW+',height='+sH+',screenX=50,screenY=10');
	newWin.creator = self;
	self.location = pg;
}