function initSlider(banner, total){
	var actual = Math.round(Math.random()*2);
	actual += 1;
	change(banner, actual, total);
}

function change(banner, actual, total){
	for (var i=1; i<=total; i++){
		div = document.getElementById('div_'+banner+i);
		li = document.getElementById('li_'+banner+i);
		
		if(i == actual){
			div.style.display='block';
			li.className='selected';
		}else{
			div.style.display='none';
			li.className='deselected';
		}
	}
}