// these are the nav images
 
 if (document.images)
 

	{
	about_navoverOn= new Image(56,12);
	about_navoverOn.src="images/about_navover.gif";
	about_navoverOff= new Image(56,12);
	about_navoverOff.src="images/about_nav.gif";
	}
	{
	news_navoverOn= new Image(56,12);
	news_navoverOn.src="images/news_navover.gif";
	news_navoverOff= new Image(56,12);
	news_navoverOff.src="images/news_nav.gif";
	}
	{
	testimonials_navoverOn= new Image(56,12);
	testimonials_navoverOn.src="images/testimonials_navover.gif";
	testimonials_navoverOff= new Image(56,12);
	testimonials_navoverOff.src="images/testimonials_nav.gif";
	}
	{
	survey_navoverOn= new Image(56,12);
	survey_navoverOn.src="images/survey_navover.gif";
	survey_navoverOff= new Image(56,12);
	survey_navoverOff.src="images/survey_nav.gif";
	}
	{
	volunteer_navoverOn= new Image(56,12);
	volunteer_navoverOn.src="images/volunteer_navover.gif";
	volunteer_navoverOff= new Image(56,12);
	volunteer_navoverOff.src="images/volunteer_nav.gif";
	}
	{
	contribute_navoverOn= new Image(56,12);
	contribute_navoverOn.src="images/contribute_navover.gif";
	contribute_navoverOff= new Image(56,12);
	contribute_navoverOff.src="images/contribute_nav.gif";
	}
	{
	resources_navoverOn= new Image(56,12);
	resources_navoverOn.src="images/resources_navover.gif";
	resources_navoverOff= new Image(56,12);
	resources_navoverOff.src="images/resources_nav.gif";
	}
	{
	contact_navoverOn= new Image(56,12);
	contact_navoverOn.src="images/contact_navover.gif";
	contact_navoverOff= new Image(56,12);
	contact_navoverOff.src="images/contact_nav.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;
    }
 }