function activateTab(tabid) {
	tabc = 0;
	nodes = document.getElementById('tabtitle_outer').childNodes;
	 
	for(var i = 0; i < nodes.length; i++)
	{
		if (nodes[i].id == 'tabtitle') {
			if (tabc == tabid) {
    			activeTabId = tabid;
    			nodes[i].className = 'active';
			} else {
    			nodes[i].className = '';
    		}
    			
    		tabc++;
    	}
	}
	
	showActiveTab();
}

function hideAllTabs() {
	nodes = document.getElementById('tabcontent_outer').childNodes;
	 
	for(var i = 0; i < nodes.length; i++)
	{
		if (nodes[i].id == 'tabcontent')
   			nodes[i].className = '';
	}
}

function showActiveTab() {
	tabc = 0;
	nodes = document.getElementById('tabcontent_outer').childNodes;
	 
	for(var i = 0; i < nodes.length; i++)
	{
		if (nodes[i].id == 'tabcontent') {
			if (tabc == activeTabId)
    			nodes[i].className = 'active';
			else
    			nodes[i].className = '';
    			
    		tabc++;
    	}
	}
}