var tabList = new Array("overview", "demo", "learnMore");

	function HideTabs()
	{
	    for (var i = 0;i < tabList.length;i ++)
	    {
	        var id = tabList[i];
	        
	        if (id)
	        {
	            var elem = document.getElementById(id);
        	    
	            if (elem)
	            {
	                var elemTab = document.getElementById("tab" + (i + 1));
	                
	                if (elemTab)
	                {
	                    elemTab.className = elemTab.id;
	                }
	                
	                elem.style.display = "none";
	            }
	        }
	    }
	}

	function ShowTab(id)
	{
	    var elem = document.getElementById(id);
	    
	    if (elem)
	    {
	        HideTabs();
	        elem.style.display = "block";
	    }
	}
	
	function ShowTabByClick(id)
	{
	    var elem = document.getElementById(id);
	    
	    if (elem)
	    {
	        elem.click();
	    }
	}