var _ticker = function(){
	var n = 3; // 3 images
	var s = '<img src="/faculty/arts/research/images/ticker/';
	var f = '.jpg" height="133px" width="777px" class="noborder" />';
	var i = Math.floor(Math.random() * n) + 1;
	document.write( s+i+f );
}();