if (document.images)
        {
	home = new Image();
	home.src = "images/nav_home_off.gif";
 	homeon = new Image();
 	homeon.src = "images/nav_home_on.gif";
 	
	business = new Image();
	business.src = "images/nav_business_off.gif";
 	businesson = new Image();
 	businesson.src = "images/nav_business_on.gif";
 	
 	placement = new Image();
	placement.src = "images/nav_placement_off.gif";
 	placementon = new Image();
 	placementon.src = "images/nav_placement_on.gif";
 	
 	experience = new Image();
	experience.src = "images/nav_experience_off.gif";
 	experienceon = new Image();
 	experienceon.src = "images/nav_experience_on.gif";
 	
 	about = new Image();
	about.src = "images/nav_about_off.gif";
 	abouton = new Image();
 	abouton.src = "images/nav_about_off.gif";
 	
 	client = new Image();
	client.src = "images/nav_login_off.gif";
 	clienton = new Image();
 	clienton.src = "images/nav_login_on.gif";

}

 function imageswap(imgName) {
   if (document.images) {
      document[imgName].src = eval(imgName + "on.src");
   }
}

 function imageoff(imgName) {
   if (document.images) {
      document[imgName].src = eval(imgName + ".src");
   }
}