function launch()
{
if (document.all)
	var xMax = screen.width, yMax = screen.height;
else
	if (document.layers)
		var xMax = window.outerWidth, yMax = window.outerHeight;
	else
		var xMax = 640, yMax = 480;

var xOffset = (xMax - 650)/2, yOffset = (yMax - 400)/2;

window.open('election_predictor/seats.asp','new','height=400,width=650,scrollbars=yes,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}