// JavaScript Document
	//Load the rollover images for the top menu area
var currentTrack;
		
//Functions for mouse movements over the left hand table
function mouseOver(option){
	var choice = document.getElementById(option);
	choice.className = "mouseOn";
}
	
function mouseOut(option){
	 var choice = document.getElementById(option);
	 choice.className = "mouseOff";
}
			
function imageMouseOver(option){
	document.images["gramophone"].src = "images/page%20layout/gramophoneSelected.gif";
}
		
function imageMouseOut(option){
	document.images["gramophone"].src = "images/page%20layout/gramophone.gif";
}
	
//Functions for mouse movements over the top table

function topMouseOver(option){
	var choice = document.getElementById(option);
	choice.className = "topMouseOn";
}
		
function topMouseOut(option){
	 var choice = document.getElementById(option);
	 choice.className = "topMouseOff";
}
			
/*This function selects a track at random then returns the page address modified with the track identifier. The page can then be redisplayed showing the track that has been selected*/
function playTrack(){
	
	var choice = Math.floor((Math.random()*9)-0.00001);

	if (currentTrack != null) {
		while (choice == currentTrack) {
			choice = Math.floor((Math.random()*9)-0.00001);
		}
	}
	
	//Do a check to make sure it doesn't play the same track twice in a row
	/*if (currentTrack != null) {
		while (choice == currentTrack) {
			alert(currentTrack, choice);
			choice = Math.floor((Math.random()*2)-0.00001);
		}
	}
	
	currentTrack = choice;*/
	//alert(currentTrack);

	//var trackList = new Array("http://www.hyperion-records.co.uk:8080/ramgen/67098-20.rm", "http://www.hyperion-records.co.uk:8080/ramgen/67177-09.rm", "http://www.hyperion-records.co.uk:8080/ramgen/67039-01.rm",  "http://www.hyperion-records.co.uk:8080/ramgen/66463-11.rm", "http://www.hyperion-records.co.uk:8080/ramgen/66857-9.rm", "http://www.hyperion-records.co.uk:8080/ramgen/66919-15.rm", "http://www.hyperion-records.co.uk:8080/ramgen/66039-01.rm", "http://www.hyperion-records.co.uk:8080/ramgen/67010-1.rm", "http://www.hyperion-records.co.uk:8080/ramgen/66194-u.rm");
	var trackList = new Array("soundLinks/abOraSummaNuncius.ram", "soundLinks/flosFloriger.ram", "soundLinks/oJerusalem.ram",  "soundLinks/joieuxDeCuer.ram", "soundLinks/agnusDei.ram", "soundLinks/aSolisOrtus.ram", "soundLinks/aveGenerosa.ram", "soundLinks/kyrie.ram", "soundLinks/dueilAngoisseux.ram");

	window.location = trackList[choice];
	
	displayTrackName(choice);
}
			
function displayTrackName(trackNo){
	
	if (currentTrack != null) {
		document.getElementById("track" + currentTrack).style.display = "none";
	}
	
	document.getElementById("trackIntro").style.display = "block";
	document.getElementById("track" + trackNo).style.display = "block";
	document.getElementById("trackConclude").style.display = "block";
	
	currentTrack = trackNo;
}