function random(from, to) {
		return Math.floor((to-(from-1))*Math.random()) + from;
	}

	testate = new Array ('/Banner/Banner_1.jpg','/Banner/Banner_2.jpg','/Banner/Banner_3.jpg','/Banner/Banner_5.jpg');
	var i = random(0, testate.length - 1);
	function testateRandom (){
		document.getElementById('testata').scr=testate[i]
	}