var i=0;

function random() { 
	i = Math.round(Math.random()*3);
	window.document.images[0].src = "pics/aa"+i+".jpg";
}

function selector() {
	if (i==0) window.document.location = "crook1.html";
	if (i==1) window.document.location = "crook2.html";
	if (i==2) window.document.location = "crook3.html";
	if (i==3) window.document.location = "crook4.html";
}