// these are the nav images
 
 if (document.images)
 
 	{
	menu1On= new Image(56,12);		
	menu1On.src="images/menu1over.gif";
	menu1Off= new Image(56,12);		
	menu1Off.src="images/menu1.gif";
	} 	
 	{
	menu2On= new Image(56,12);		
	menu2On.src="images/menu2over.gif";
	menu2Off= new Image(56,12);		
	menu2Off.src="images/menu2.gif";
	} 
	{
	menu3On= new Image(56,12);		
	menu3On.src="images/menu3over.gif";
	menu3Off= new Image(56,12);		
	menu3Off.src="images/menu3.gif";
	} 
	{
	menu4On= new Image(56,12);		
	menu4On.src="images/menu4over.gif";
	menu4Off= new Image(56,12);		
	menu4Off.src="images/menu4.gif";
	} 
	{
	menu5On= new Image(56,12);		
	menu5On.src="images/menu5over.gif";
	menu5Off= new Image(56,12);		
	menu5Off.src="images/menu5.gif";
	} 
	{
	menu6On= new Image(56,12);		
	menu6On.src="images/menu6over.gif";
	menu6Off= new Image(56,12);		
	menu6Off.src="images/menu6.gif";
	} 
	{
	menu7On= new Image(56,12);		
	menu7On.src="images/menu7over.gif";
	menu7Off= new Image(56,12);		
	menu7Off.src="images/menu7.gif";
	} 	
	{
	menu9On= new Image(56,12);		
	menu9On.src="images/menu9over.gif";
	menu9Off= new Image(56,12);		
	menu9Off.src="images/menu9.gif";
	} 
//this is the function  
 
function turnon(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "On.src");
      document[imgName].src= imgOn;
    }
 }
 
function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "Off.src");
      document[imgName].src= imgOff;
    }
 }