var selectedTab;
var selectedAlpha;
var selectedCategory;

function changeList(senderid, listprefix)
{
	var catSelect = document.getElementById(senderid);
	for (i = 1; i < (catSelect.length + 1); i++)
	{
		if (i == (catSelect.selectedIndex + 1))					
			document.getElementById(listprefix + i).className = "block_element";
		else
			document.getElementById(listprefix + i).className = "hidden_element";
	}
}

function swapFeatureNav()
{
	if (document.getElementById("featurenav1").className == "hidden_element")
	{
		document.getElementById("featurenav1").className = "block_element";
		document.getElementById("featurenav2").className = "hidden_element";
	}
	else
	{
		document.getElementById("featurenav1").className = "hidden_element";
		document.getElementById("featurenav2").className = "block_element";
	}	
}

function renderTabs()
{
    // Show Proper Link List
    if (!selectedCategory)
        selectedCategory = 1;

    // Show Proper Dropdown
    if (!selectedAlpha)
        selectedAlpha = 1;
        
    // Show Proper Tab
    if (!selectedTab)
        selectedTab = 1;
    
    //hide no script experience
    document.getElementById("fullAlpha").className = "hidden_element";
    //set selected dropdown items
    document.getElementById("cat1" + selectedCategory).selected = "selected";    
    document.getElementById("cat2" + selectedAlpha).selected = "selected";    
    //set selected link lists
    document.getElementById("catlist1" + selectedCategory).className = "block_element";    
    document.getElementById("catlist2" + selectedAlpha).className = "block_element";    
    //set selected tab
    document.getElementById("featurenav" + selectedTab).className = "block_element";
}