// initiating the image gallery 
var Video = {
    randomize: function() {
		var arrVideos = $$('div.you-tube');
		var intNum = Math.floor(Math.random()*arrVideos.length);
		for(i=0;i<arrVideos.length;i++) {
			arrVideos[i].className = (i==intNum)?"you-tube show" : "you-tube hide";
		}
    }
}