var tabs = new Array('topVotes_tab','topVisits_tab');
var conts = new Array('topVotes','topVisits');

function changeTopArticlesTab(tabNdx)
{
	var tabRef = new Array();
	var contRef = new Array();

	for(var i=0; i<2; i++)
	{
		try {
			tabRef[i] = document.getElementById(tabs[i]);
		}
		catch (e) {}

		if (tabRef[i] == undefined)
			return '';	
		try {
			contRef[i] = document.getElementById(conts[i]);
		}
		catch (e) {}
		
		if (contRef[i] == undefined)
			return '';
	}
	
	for(var i=0; i<2; i++)
	{
		if (i == tabNdx) //show tab & content
		{
			tabRef[i].className = 'topVotesActive';
			contRef[i].style.display = 'block';
		}
		else //hide
		{
			tabRef[i].className = 'topVotesNormal';
			contRef[i].style.display = 'none';
		}
		
	}
	 
}