function over ( block ) {
	document.getElementById('nav_'+block).src = "images/nav/"+block+"_over.gif";
}

function out ( block ) {
	document.getElementById('nav_'+block).src = "images/nav/"+block+"_out.gif";
}

function display_app ( app_url, width, height ) {
	day		= new Date();
	id		= day.getTime();
	width	= width + 50;
	height	= height + 50;
	if ( height > 650 ) height = 650;

	eval("page" + id + " = window.open('pages/app-"+app_url+".html', '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width="+width+",height="+height+",left = 254,top = 139');");
}

// External Proprietary Triggers
function ajax_external_triggers ( ajax_page ) {
	if ( ajax_page == "home" ) {
		document.getElementById("home_graphic").style.display = "block";
	} else {
		document.getElementById("home_graphic").style.display = "none";
	}
}