function urlFilter(url) {
		if (hcp != "") {
			var baseUrl = (url.indexOf("?") != -1 ? url.substr(0, url.indexOf("?")) : url);
			var queryString = (url.indexOf("?") != -1 ? url.substr(url.indexOf("?")+1) : "");
			return (contextPath + baseUrl + "?hcp=" + hcp + (queryString != "" ? "&" + queryString : ""));
		} else {
			return (contextPath + url);
		};
	};

	// set up drop downs 
	if (ncqDropDown.isSupported()) {

		//==================================================================================================
		// create a set of dropdowns
		//==================================================================================================
		// the first param should always be down, as it is here
		//
		// The second and third param are the top and left offset positions of the menus from their actuators
		// respectively. To make a menu appear a little to the left and bottom of an actuator, you could use
		// something like -5, 5
		//
		// The last parameter can be .topLeft, .bottomLeft, .topRight, or .bottomRight to inidicate the corner
		// of the actuator from which to measure the offset positions above. Here we are saying we want the 
		// menu to appear directly below the bottom left corner of the actuator
		//==================================================================================================
		var ms = new ncqDropDownSet(ncqDropDown.direction.down, 1, -2, ncqDropDown.reference.bottomLeft);
		//var ms = new ncqDropDownSet(ncqDropDown.direction.down, 0, 30, ncqDropDown.reference.topLeft);

		//==================================================================================================
		// create a dropdown menu
		//==================================================================================================
		// the first parameter should be the HTML element which will act actuator for the menu
		// send no URL if nothing should happen onclick (2nd parameter)
		//==================================================================================================

		/*************
		 * Rollbars Only
		 *************/
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("-Latest News", "resource_centre.aspx");
		menu1.addItem("-Links", "links.aspx");

		
		
		//==================================================================================================
		// write drop downs into page
		//==================================================================================================
		// this method writes all the HTML for the menus into the page with document.write(). It must be
		// called within the body of the HTML page.
		//==================================================================================================
		ncqDropDown.renderAll();
	}