function center(window, windowWidth, windowHeight) {
	x = (screen.availWidth/2)-(windowWidth/2)
	y = (screen.availHeight/2)-(windowHeight/2)
	window.moveTo(x,y);
}

function openProduct(url){
	popupWin = window.open(url,"","width=408, height=570, location=no,menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no");
	center(popupWin, 408, 570);
}