/*
 * ImgRoller
 *
 * Licensed under the revised BSD License.
 * Copyright 2010 Ralf Bjarne Taraldset
 * All rights reserved.
 */

// topimages
var topImages = new Array();
for (i=0;i<22;i++) {
	var incr = i+1; 
	//topImages[i]="images/top" + incr + ".jpg";
	topImages[i]="/site/images/new_top" + incr + ".jpg";
}

var currentTop = null;
function changeTop() {
	// randomized top image order
	var newTop = currentTop;
	while(currentTop == newTop) {
		newTop = topImages[Math.floor(Math.random()*topImages.length)];
	}
	
	$.preload([newTop], {
		onFinish: function() {
			// set bildet under likt det over
			$("#top_under").attr("src",$("#top_over").attr("src"));
			$("#top_under").show();
		
			// skjul bildet over
			$('#top_over').hide();
			
			// set nytt bildet over
			$("#top_over").attr("src",newTop);
			
			// vis bildet over (og samtidig skjul det under for å få "flash" effekt mot bakgrunn)
			// $("#top_under").fadeOut(1000);
			$("#top_over").fadeIn(2500);
				
			currentTop = newTop;
			
			// start på nytt	
			setTimeout("changeTop()",12000);
		}
	});
}