// JavaScript Document

function initImages(){
			var imgs = new Array('t11','t14','t21','t23','t31');
			var cols = new Array('t12','t13','t15','t22','t32');
			var x = 0;
			for( x=0; x < imgs.length; x++){
				showTitleImg( imgs[x], 'img' );
			}
			for( x=0; x < cols.length; x++){
				showTitleImg( cols[x], 'col' );
			}
		}
		var titleImages = new Array('checker1.jpg','checker2.jpg','checker3.jpg','checker4.jpg','checker5.jpg','checker6.jpg','checker7.jpg','checker8.jpg');
		var titleImagesUsed = new Array();
		
		var titleColours = new Array('fluro-green-square.jpg','fluro-purple-square.jpg','fluro-pink-square.jpg','fluro-blue-square.jpg','fluro-yellow-square.jpg','fluro-orange-square.jpg');
		var titleColoursUsed = new Array();
		
		var imgsGoing = true;
		function showTitleImg( id, use ){
			var arr;
			var hsh;
			if(use == "img"){
				arr = titleImages;
				hsh = titleImagesUsed;
			} else {
				arr = titleColours;
				hsh = titleColoursUsed;
			}
			if(!imgsGoing){ return; }
			var img = document.getElementById(id);
			var src = img.src.substring(img.src.lastIndexOf("/")+1);
			hsh[src]=false;
	
			var rnd = parseInt(Math.random() * arr.length);
			var rndStart = rnd;
			var firstRun = true;
			var imgToUse = arr[rnd];
			while(hsh[imgToUse]){
				if(!firstRun && rnd==rndStart){ alert('argh!!!'); return; }
				firstRun = false;
				rnd = rnd+1;
				if(rnd == arr.length){ rnd=0; }
				imgToUse = arr[rnd];
			}
			hsh[imgToUse] = true;
			img.src='assets/'+imgToUse;
			rnd = 4000 + parseInt(Math.random() * 4000);
			setTimeout("showTitleImg('"+id+"','"+use+"')",rnd);
		}