function Details(showPage) {
	var xMax = 800, yMax=600;
	if (document.all) var xMax = screen.width, yMax = screen.height;
	else if (document.layers) var xMax = window.outerWidth, yMax = window.outerHeight;
	var xOffset = (xMax-680)/2;
	var yOffset = (yMax-530)/2;
	window.open(showPage,'Vignette','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=680,height=530,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}