//var logos = new Array();
//logos[0] = 'pictures.png';
/*
logos[1] = 'pictures2.png';
logos[2] = 'pictures3.png';
*/

var imgindex = -1;
var newimg;
	
function changeLogo() {
	var rndIndex = imgindex;
	if (logos.length > 1) while (rndIndex == imgindex) {
		rndIndex = Math.floor( Math.random() * logos.length );
	} else rndIndex = 0;
	newimg = new Image();
	newimg.src = '/images/logos/'+logos[rndIndex];
	if (imgindex == -1) setLogoSrc(0);
	else setLogoSrc(1500);
	imgindex = rndIndex;	
	if (logos.length > 1) setTimeout('changeLogo()', 5000);
}

function removeOldLogo() {
	document.getElementById('pictures').removeChild(document.getElementById('logopic'));
	$('#newlogopic').attr('id', 'logopic');
}

function setLogoSrc(fadingTime) {
	if (newimg.complete) {
		var obr = document.createElement('img');
		obr.setAttribute('id', 'newlogopic');
		obr.src = newimg.src;
		document.getElementById('pictures').appendChild(obr);
		setTimeout('removeOldLogo()', 1500);
		$('#logopic').fadeOut(1500);
		$('#newlogopic').fadeIn(fadingTime);
	} else {
		setTimeout('setLogoSrc('+fadingTime+')', 200);
	}
}

function init() {
	changeLogo();
}