function popWindow(strURL,strWindowName,varWidth,varHeight)
	{
		var WinLeft;
		var WinTop;
		var windowFeatures;
		var popWin;
		winLeft = (screen.width-varWidth)/2;
		winTop = (screen.height-(varHeight))/2;
		windowFeatures = "width=" + varWidth +",height=" + varHeight + ",left=" + winLeft + ",top=" + winTop;
		windowFeatures = windowFeatures + ",menubar=0,scrollbars=1,location=0,favorites=0,resizable=0,status=0,toolbar=0,directories=0";
		popWin=window.open(strURL,strWindowName,windowFeatures);
	}

  	function openWindow(strURL,strWindowName,varWidth,varHeight)
	{
		var WinLeft;
		var WinTop;
		var windowFeatures;
		winLeft = (screen.width-varWidth)/2;
		winTop = (screen.height-(varHeight))/2;
		windowFeatures = "width=" + varWidth +",height=" + varHeight + ",left=" + winLeft + ",top=" + winTop;
		windowFeatures = windowFeatures + ",menubar=1,scrollbars=1,location=y1,favorites=0,resizable=1,status=1,toolbar=1,directories=0";
		popWin=window.open(strURL,strWindowName,windowFeatures);
	}