function preloadImages(){
	var imgArray = new Array('/images/home/topnav_about_on.gif', '/images/home/topnav_marketplace_on.gif', '/images/home/topnav_related_on.gif', '/images/home/large_box_btm_link_on.gif', '/images/home/small_box_btm_link_on.gif');
	var i=0;
	var objImage = new Image();
	for (i=0; i<imgArray.length; i++){
		objImage.src = imgArray[i];
	}
}


function changeMusicNav(tabname){
	document.getElementById("music_alt_rock_nav").src = "images/home/music_alt_rock.gif";
	document.getElementById("music_pop_rock_nav").src = "images/home/music_pop_rock.gif";
	document.getElementById("music_loud_rock_nav").src = "images/home/music_loud_rock.gif";
	document.getElementById("music_urban_nav").src = "images/home/music_urban.gif";
	document.getElementById(tabname + "_nav").src = "images/home/" + tabname + "_on.gif";
	document.getElementById("music_alt_rock").style.display = "none";
	document.getElementById("music_pop_rock").style.display = "none";
	document.getElementById("music_loud_rock").style.display = "none";
	document.getElementById("music_urban").style.display = "none";
	document.getElementById(tabname).style.display = "block";
}

function changeOutletNav(tabname){
	document.getElementById("outlet_broadcast_nav").src = "images/home/outlet_broadcast.gif";
	document.getElementById("outlet_cable_nav").src = "images/home/outlet_cable.gif";
	document.getElementById("outlet_internet_nav").src = "images/home/outlet_internet.gif";
	document.getElementById("outlet_retail_nav").src = "images/home/outlet_retail.gif";
	document.getElementById("outlet_nightclubs_nav").src = "images/home/outlet_nightclubs.gif";
	document.getElementById(tabname + "_nav").src = "images/home/" + tabname + "_on.gif";
	document.getElementById("outlet_broadcast").style.display = "none";
	document.getElementById("outlet_cable").style.display = "none";
	document.getElementById("outlet_internet").style.display = "none";
	document.getElementById("outlet_retail").style.display = "none";
	document.getElementById("outlet_nightclubs").style.display = "none";
	document.getElementById(tabname).style.display = "block";
}

function rollOverNav(nav){
	document.getElementById(nav).src = "images/home/topnav_" + nav + "_on.gif";
}

function rollOutNav(nav){
	document.getElementById(nav).src = "images/home/topnav_" + nav + ".gif";
}

function rollOverReadMore(size, location){
	if (location == ""){
		document.getElementById("read_more_" + size).src = "images/home/" + size + "_box_btm_link_on.gif";
	}
	else{
		document.getElementById("read_more_" + size + "_" + location).src = "images/home/" + size + "_box_btm_link_on.gif";
	}
}

function rollOutReadMore(size, location){
	if (location == ""){
		document.getElementById("read_more_" + size).src = "images/home/" + size + "_box_btm_link.gif";
	}
	else{
		document.getElementById("read_more_" + size + "_" + location).src = "images/home/" + size + "_box_btm_link.gif";
	}
}