var tabs = {"news_region":"мнбнярх пюинмю","anounce":"юмнмяш","observe":"нагнпш"};

function switchTabs(arg)
{
	for(var q in tabs)
	{
		if(q==arg)
		{
			$(q).innerHTML = "<b>"+tabs[q]+"</b>";
			$(q+"_d").style.display = "";
		}
		else
		{
			$(q).innerHTML = "<a>"+tabs[q]+"</a>";
			$(q+"_d").style.display = "none";
			$(q).onclick = function()
			{
					switchTabs(this.id);
			}
		}
	}
}

function random_news()
{
	var rnd = Math.random()*10;
	if(rnd < 3)
	{
		switchTabs('news_region');
		return;
	}
	if(rnd < 6)
	{
		switchTabs('anounce');
		return;
	}
	switchTabs('observe');
	return;
}