var ensembles = new Array("orchestra", "stageband", "sbb", "jazzcombo", "brassring", "choir", "ironstrings");
var ensembleNames = new Array("Skule Orchestra", "Skule Stage Band", "Stage Band Blue", "Skule Jazz Combo", "The Brass Ring", "Skule Choir", "Iron Strings")

var base_url = "http://www.skulemusic.ca/";

function addOnload(newFunction) {
	var oldOnload = window.onload;

	if (typeof(oldOnload) == "function") {
		window.onload = function() {
			if (oldOnload){
				oldOnload();
			}
			newFunction();
		}
	}
	else {
		window.onload = newFunction;
	}
}

/*addOnload(loadBanner);*/

function loadBanner() {
	// bannerad

	if (!(numimgs >= 1)) {
		imgpath = path + "images/";
		numimgs = 6;
	}

	randomNum = Math.floor(Math.random() * numimgs) + 1;
	randomNum = randomNum.toString();

	imgpath += randomNum + ".jpg";
	
	if (document.getElementById("headerimage")) {
		document.getElementById("headerimage").src = imgpath;
	}
}

addOnload(loadSitenav);

function loadSitenav() {
	for (var i = 0; i < document.images.length; i++) {
		if (document.images[i].className == "sitenav") {	
			thisImage = document.images[i];

			thisImage.outImage = new Image();
			thisImage.outImage.src = thisImage.src;
			thisImage.onmouseout = rollOutImage;

			thisImage.overImage = new Image();
			thisImage.overImage.src = base_url + "images/site/" + thisImage.id + "_up.gif";
			thisImage.onmouseover = rollOverImage;
		}
	}
}

function rollOutImage () {
	this.src = this.outImage.src;
}

function rollOverImage() {
	this.src = this.overImage.src;
}