function change(id,page){
	var fullimgurl = "images/"+page+"Details/"+page+"big"+id+".jpg";
	var teaseimgurl = "images/"+page+"Details/"+page+"Details"+id+"Large_bg.jpg";
	
	document.getElementById("fullid").setAttribute("href",fullimgurl);
	document.getElementById("teaseid").setAttribute("src",teaseimgurl);
}

function show_sub_nav(){
	document.getElementById("sub_nav").style.visibility='visible';
}