// JavaScript Document

window.onload = start

function start(){
	rolloverInit();
	choosePic();
	choosePic2();
}

function rolloverInit() {
	for (var i=0; i<document.images.length; i++) {
		if (document.images[i].parentNode.tagName == "A") {
			setupRollover(document.images[i]);
		}
	}
}

function setupRollover(thisImage) {
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;

	thisImage.overImage = new Image();
	thisImage.overImage.src = "images/" + thisImage.id + "_on.gif";
	thisImage.onmouseover = rollOver;	
}

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

function rollOut() {
	this.src = this.outImage.src;
}
//Left pics

var myPix = new Array("images/leftpics1.jpg","images/leftpics2.jpg","images/leftpics3.jpg","images/leftpics4.jpg");

function choosePic() {
	randomNum = Math.floor((Math.random() * myPix.length));
	document.getElementById("leftpics").src = myPix[randomNum];
}
//right pics

var myPix2 = new Array("images/rightpics1.jpg","images/rightpics2.jpg","images/rightpics3.jpg","images/rightpics4.jpg");

function choosePic2() {
	randomNum2 = Math.floor((Math.random() * myPix2.length));
	document.getElementById("rightpics").src = myPix2[randomNum2];
}