if (document.images)
{
     homeOn = new Image(); 
     homeOn.src = "images/mn_home_p_12.gif";
     homeOff = new Image(); 
     homeOff.src = "images/mn_home_12.gif";
 
     culturalOn = new Image(); 
     culturalOn.src = "images/mn_cultural_p_12.gif";
     culturalOff = new Image(); 
     culturalOff.src = "images/mn_cultural_12.gif";

     environmentalOn = new Image(); 
     environmentalOn.src = "images/mn_environmental_p_12.gif";
     environmentalOff = new Image(); 
     environmentalOff.src = "images/mn_environmental_12.gif";

     historicOn = new Image(); 
     historicOn.src = "images/mn_historic_p_12.gif";
     historicOff = new Image(); 
     historicOff.src = "images/mn_historic_12.gif";

     landscapeOn = new Image(); 
     landscapeOn.src = "images/mn_landscape_p_12.gif";
     landscapeOff = new Image(); 
     landscapeOff.src = "images/mn_landscape_12.gif";

     planningOn = new Image(); 
     planningOn.src = "images/mn_planning_p_12.gif";
     planningOff = new Image(); 
     planningOff.src = "images/mn_planning_12.gif";

     urbanOn = new Image(); 
     urbanOn.src = "images/mn_urban_p_12.gif";
     urbanOff = new Image(); 
     urbanOff.src = "images/mn_urban_12.gif";

     brownOn = new Image(); 
     brownOn.src = "images/mn_brown_p_12.gif";
     brownOff = new Image(); 
     brownOff.src = "images/mn_brown_12.gif";

     nativeOn = new Image(); 
     nativeOn.src = "images/mn_native_p_12.gif";
     nativeOff = new Image(); 
     nativeOff.src = "images/mn_native_12.gif";

     dbeOn = new Image(); 
     dbeOn.src = "images/mn_dbe_p_12.gif";
     dbeOff = new Image(); 
     dbeOff.src = "images/mn_dbe_12.gif";

     leedOn = new Image(); 
     leedOn.src = "images/mn_leed_p_12.gif";
     leedOff = new Image(); 
     leedOff.src = "images/mn_leed_12.gif";

     awardsOn = new Image(); 
     awardsOn.src = "images/mn_awards_p_12.gif";
     awardsOff = new Image(); 
     awardsOff.src = "images/mn_awards_12.gif";

     aboutusOn = new Image(); 
     aboutusOn.src = "images/mn_aboutus_p_12.gif";
     aboutusOff = new Image(); 
     aboutusOff.src = "images/mn_aboutus_12.gif";

     clientOn = new Image(); 
     clientOn.src = "images/mn_client_p_12.gif";
     clientOff = new Image(); 
     clientOff.src = "images/mn_client_12.gif";

     corevaluesOn = new Image(); 
     corevaluesOn.src = "images/mn_corevalues_p_12.gif";
     corevaluesOff = new Image(); 
     corevaluesOff.src = "images/mn_corevalues_12.gif";

     clientOn = new Image(); 
     clientOn.src = "images/mn_client_p_12.gif";
     clientOff = new Image(); 
     clientOff.src = "images/mn_client_12.gif";

     newsOn = new Image(); 
     newsOn.src = "images/mn_news_p_12.gif";
     newsOff = new Image(); 
     newsOff.src = "images/mn_news_12.gif";
} 

function turnOn(btnName) 
{
	if (document.images) 
		document[btnName].src = eval(btnName + "On.src");
} 

function turnOff(btnName) 
{
	if (document.images) 
		document[btnName].src = eval(btnName + "Off.src");
} 

function popup(URL, width, height) 
{
	var newWindow;
	if(!newWindow || newWindow.closed )
	{
		newWindow = window.open(URL,'script','toolbar=0,scrollbars=no,location=no,statusbar=no,menubar=no,resizable=no,dependent=yes,width='+width+',height='+height+',left=60,top=60');
		newWindow.focus();
	}
	else
	{
		newWindow.resizeTo(width + 12, height + 30);
		newWindow.focus();
	}
}