function OpenWindowCentered(szURL, szWindowName, nHeight, nWidth, bytSizable)
	{
	//Centers a window and removes toolbars and such
	//bytSizeable:	1=True; 0=False
	var intTop = (screen.availHeight - nHeight) / 2;
	var intLeft = (screen.availWidth - nWidth) / 2;
				
	window.open(szURL, szWindowName, "toolbar=no,  top=" + intTop + ", left=" + intLeft + ", location=no, directories=no, menubar=no, status=no, scrollbars=yes, resizable=" + bytSizable + ", width=" + nWidth + ", height="+ nHeight + "");				
	}