var newWindow;

function openWin(url)
{
	var winTop = (screen.height / 2) - 240;
	var winLeft = (screen.width / 2) - 295;
	
	var windowFeatures = "width=590,height=480,";
	windowFeatures = windowFeatures + "left=" + winLeft + ",";
	windowFeatures = windowFeatures + "top=" + winTop + ",";
	windowFeatures = windowFeatures + "scrollbars";

	newWindow = window.open(url,"win",windowFeatures);
	newWindow.focus();
}