function popup(url) {
		var width  = 600;
		var height = 600;
		var left   = (screen.width  - width)/2;
		var top    = (screen.height - height)/2;
		var params = 'width='+width+', height='+height;
		params += ', top='+top+', left='+left;
		params += ', directories=no';
		params += ', location=no';
		params += ', menubar=no';
		params += ', resizable=no';
		params += ', scrollbars=no';
		params += ', status=no';
		params += ', toolbar=no';
		newwin=window.open(url,'window', params);
		if (window.focus) {newwin.focus()}
		return false;
	}

	function popUp(URL) {
		day = new Date();
		id = day.getTime();
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=704,height=480,left = 608,top = 300');");
	}
	
	function Show_Tour(action, userid) {
		$('#twindow').fadeIn('fast');
		$('#tour').fadeIn('fast');
	}
	function Close_Tour() {
		$('#twindow').fadeOut('fast');
		$('#tour').fadeOut('fast');
	}