/*
	navigation bar rollovers
	
	code: liaison
	copyright: the church of sonology
	updated: southampton, june 2005
*/



var  loaded = false;

if (document.images) {

	homeon   = new Image();		homeon.src   = "images/nav_home_on.gif";
	homeoff  = new Image();		homeoff.src  = "images/nav_home_off.gif";
	
	learnon  = new Image();		learnon.src  = "images/nav_learn_on.gif";
	learnoff = new Image();		learnoff.src = "images/nav_learn_off.gif";

	hearon   = new Image();		hearon.src   = "images/nav_hear_on.gif";
	hearoff  = new Image();		hearoff.src  = "images/nav_hear_off.gif";
	
	joinon   = new Image();		joinon.src   = "images/nav_join_on.gif";
	joinoff  = new Image();		joinoff.src  = "images/nav_join_off.gif";

}



function imgOn(name) {
	if (document.images && loaded) {
		document.images[name].src = eval( name + "on.src");
	}
}

function imgOff(name) {
	if (document.images && loaded) {
	document.images[name].src = eval( name + "off.src");
	}
}