function mainover(subname) { //main menu state to "on" when rolled over
		document.getElementById(subname).src='images/menu/'+subname+'-on.gif';		//mainmenu on state
}
function mainout(subname) { //main menu state to "off" when rolled out
		document.getElementById(subname).src='images/menu/'+subname+'-off.gif';		//mainmenu off state
}

if (document.images) { //preload
  pic1= new Image(); 
  pic1.src="images/menu/home-on.gif";
  pic2= new Image(); 
  pic2.src="images/menu/home-off.gif"; 
  pic3= new Image(); 
  pic3.src="images/menu/about-on.gif"; 
  pic4= new Image(); 
  pic4.src="images/menu/about-off.gif";  
  pic5= new Image(); 
  pic5.src="images/menu/testimonials-on.gif"; 
  pic6= new Image(); 
  pic6.src="images/menu/testimonials-off.gif"; 
  pic7= new Image(); 
  pic7.src="images/menu/contact-on.gif"; 
  pic8= new Image(); 
  pic8.src="images/menu/contact-off.gif";  
  pic9= new Image(); 
  pic9.src="images/menu/media-on.gif"; 
  pic10= new Image(); 
  pic10.src="images/menu/media-off.gif";    
}

function checkmusic() {
	var page, addr;
	addr = parent.frm_music.location.href;
	var loadedsplit = new Array(10);
	loadedsplit = addr.split("/");
	page = loadedsplit[loadedsplit.length - 1];
	if (page == 'music-off.htm') {
		parent.frm_music.location.href='music.htm'; //turn music on
	}
}