this.randomnews = function()
{
	var pause = 5000; // define the pause for each tip (in milliseconds) 
	var length = $("#news li").length;
	
	// ha csak egy elem van -> kilépünk, nincs mit rotálni
	if(length <= 1)
		return;
	
	var temp = -1;

	this.getRan = function()
	{
		// get the random number
		var ran = Math.floor(Math.random()*length) + 1;
		return ran;
	};
	
	this.show = function()
	{
		var ran = getRan();
		// to avoid repeating
		while (ran == temp)
			ran = getRan();

		temp = ran;
		$("#news li").hide();	
		$("#news li:nth-child(" + ran + ")").fadeIn("fast");		
	};
	
	show();
	setInterval(show,pause);
};

$(document).ready(function(){	
	randomnews();
});