var imgs = ["roswellalpharettavet1.jpg", "roswellalpharettavet2.jpg", "roswellalpharettavet3.jpg", "roswellalpharettavet4.jpg"];
	var i_holder = new Array();
	var count = 0;

	// Preload images for roller
	for (i=0;i<(imgs.length-1);i++) {
		i_holder[i] = new Image();
		i_holder[i].src = "images/rollers/"+imgs[i];
	} // end for

	function start_scroll(obj_id) {
		pause_fade(obj_id, "wait");
	} // end start_scroll

	function pause_fade(obj_id, sw) {
		if (sw == "run") {
			fade_out(obj_id, 100);
		} else {
			setTimeout("pause_fade('"+obj_id+"', 'run')", 2000);
		} // end if
	} // end pause_fade
	
	function switch_image(obj_id) {
		if (count >= imgs.length-1) {
			count = 0;
		} else {
			count++;
		} // end if
		document.getElementById(obj_id).src = "images/rollers/"+imgs[count];
		fade_in(obj_id, 20);

	} // end switch_image	

	function fade_out(obj_id, op) {
		var obj = document.getElementById(obj_id);
		if (op <= 20) {
			obj.style.filter = "alpha(opacity=20)";
			obj.style.opacity = ".2";			
			switch_image(obj_id);
		} else {
			obj.style.filter = "alpha(opacity="+op+")";
			obj.style.opacity = (op/100);
			setTimeout("fade_out('"+obj_id+"', "+(op-5)+")", 50);
		} // end if
	} // end fade_out

	function fade_in(obj_id, op) {
		var obj = document.getElementById(obj_id);
		if (op >= 100) {
			obj.style.filter = "alpha(opacity=100)";
			obj.style.opacity = "1";			
			pause_fade(obj_id, "wait");
		} else {
			obj.style.filter = "alpha(opacity="+op+")";
			obj.style.opacity = (op/100);
			setTimeout("fade_in('"+obj_id+"', "+(op+5)+")", 50);
		} // end if
	} // end fade_in