function openPrintPreview (printUrl) {
		var params = "";	
		var popupHeight = 500;
		var popupWidth = 700;
		params += "width=" + popupWidth;
		params += ",height=" + popupHeight;
		params += ",resizable=yes";
		params += ",scrollbars=yes";
		params += ",menubar=no";
		params += ",toolbar=no";
		params += ",directories=no";
		params += ",location=no";
		params += ",status=no";		
		params += ",top=" + (screen.availHeight / 2 - popupHeight / 2) ;	
		params += ",left=" + (screen.availWidth / 2 - popupWidth / 2) ;	
		window.open(printUrl,'printPreview',params);
	}

function checkURL() {
	myURL = document.URL;
	myURL = myURL.replace(/http:\/\//, "");

	parts = myURL.split("/");
	
	if (parts.length > 2) {
		document.location.replace("/index.php");
	}
}