var currentTab = new Array();



//example: 'popular'
function changeDiggTab(group) {

	if(!currentTab[group]) {
		currentTab[group] = "digg-" + group;
	}
	
	document.getElementById("digg-popular").className="hidden-tab";
	document.getElementById("digg-upcoming").className="hidden-tab";
	document.getElementById("digg-" + group).className = "current-digg";
	
	document.getElementById("digg-tab-popular").className = "hidden";
	document.getElementById("digg-tab-upcoming").className = "hidden";
	
	// show the requested div
    document.getElementById("digg-tab-" + group).className = "";
	
}