var spRotate_j = 0;
var spRotate_c = spRotate_j;
var spRotate_p = new Array();

function addSponsor(lg, nm, ww)
{
	var k = spRotate_p.length;
	spRotate_p[k] = new Array();
	spRotate_p[k][0] = lg;
	spRotate_p[k][1] = nm;
	spRotate_p[k][2] = ww;
}
function getRandomNumber(max) 
{ 
	return (Math.ceil(Math.random() * max)); 
}
function rotate() 
{ 
	if(spRotate_p.length==0) {
		return false;
	}
	while(spRotate_c == spRotate_j && spRotate_p.length > 1) { 
		spRotate_j = getRandomNumber(spRotate_p.length)-1; 
	} 
	var h = '';
	if(spRotate_p[spRotate_j][2].length > 0) {
		h += '<a href="' + spRotate_p[spRotate_j][2] + '" title="' + spRotate_p[spRotate_j][1] + '">';
	}
	h += '<img src="' + spRotate_p[spRotate_j][0] + '" alt="' + spRotate_p[spRotate_j][1] + '" />';
	if(spRotate_p[spRotate_j][2].length > 0) {
		h += '</a>';
	}

	document.getElementById('isReference').innerHTML = h; 
	
	spRotate_c = spRotate_j; 
	if(spRotate_p.length>1) { 
		var t = setTimeout("rotate(" + spRotate_j + ")", 3000); 
	}
}