function swapLinkBG(e) {
   
	    /*
		 called onMouseover when a user mouses over a navigation link will swap the background image
		*/
		/* use a different background image for the home tab */
		var el = findTarget(e,'li');
		
			if ( !el.id.indexOf('home'))
				{
				  var imageSrc = 'assets/lay/rollovers/thome_on.gif';
				} else {
				  var imageSrc = 'assets/lay/rollovers/t5_on.gif';
			     
			   }//if ( !el.id.indexOf('home')
		
		   
	   el.style.backgroundImage = "url('" +imageSrc +"')";
		
}//eof
	   
function swapLinkBGBack(e) {
	    /*
		 called onMouseout when a user mouses over a navigation link
		*/
		
	    var el = findTarget(e,'li');
		
			if ( !el.id.indexOf('home') )
			{
			  var imageSrc = 'assets/lay/rollovers/thome_off.gif';
			} else {
			 
			  var imageSrc = 'assets/lay/rollovers/t5_off.gif'; 
		   }//if ( !el.id.indexOf('home')
		
		
	    el.style.backgroundImage = "url('" +imageSrc +"')";

}//eof