function manageTabs(tabListID, tabNumber) {
	var selectedTab = document.getElementById("tab"+tabNumber);
	var selectedContent = document.getElementById("tabContent"+tabNumber);
	
	if (selectedTab.className!="disabled") {
		if (selectedTab.className!="current_tab_item") {
			var tabsList = document.getElementById(tabListID);
			var tabs = tabsList.getElementsByTagName('li');
			for (var i=0; i<tabs.length; i++) {
				var tabID = tabs[i].id;
				var tabElementID = tabID.substring(3,tabID.length);
				if (document.getElementById("tab"+tabElementID).className=="current_tab_item") {
					document.getElementById("tab"+tabElementID).className="";
				}
				document.getElementById("tabContent"+tabElementID).style.display="none";
			}
			
			selectedTab.className="current_tab_item";
			selectedContent.style.display="block";
		}
		selectedContent.style.display="block";
	}
	return false;

}