var container = document.getElementById('rotation');

if(container){
	
	var elements = container.childNodes;
	
	if(elements.length){
		
		var cookie = readCookie("lastRand");
		
		if(!cookie) cookie = -1;
	
		var rand = Math.floor(Math.random()*elements.length);
		
		var tries = 0;
		
		while((!elements[rand] || elements[rand].nodeType != 1 || rand == cookie) && tries++<100) rand = Math.floor(Math.random()*elements.length);
		
		createCookie("lastRand", rand, 7);
		
		if(tries<100){
			
			for(var i=0;i<elements.length;i++){
				var el = elements[i];
				
				if(i != rand && el && el.nodeType == 1) el.style.display = "none";
				
			}
		
			container.style.display = "block";
		
		}
	
	}

}