function rollover( e ){
	var img_src = e.childNodes[0].src ;
	var img_split = img_src.split("_off") ;
	if ( img_split.length == 1 ){
		img_split = img_src.split("_on") ;
		e.childNodes[0].src = img_split[0] + '_off' + img_split[1] ;
	}else{
		e.childNodes[0].src = img_split[0] + '_on' + img_split[1] ;
	}
}

if ( document.images ){
	pic1= new Image(128,31); 
	pic1.src="/images/btn_testimonials_on.gif"; 
	pic2= new Image(125,30); 
	pic2.src="../images/btn_teachers_on.gif"; 
	pic3= new Image(124,29); 
	pic3.src="/images/btn_programs_on.gif"; 
	pic4= new Image(124,29); 
	pic4.src="/images/btn_home_on.gif"; 
	pic5= new Image(124,29); 
	pic5.src="/images/btn_get-ready_on.gif"; 
	pic6= new Image(125,30); 
	pic6.src="/images/btn_contact_on.gif"; 
}