var navIdArray = [['Leadership','leadership_nav'],['Technical','technical_nav'],['Culture','cultural_nav']];
var activeNavId = null;
var areaNavBaseHeader;

//Handles the showing and hiding of the navAreas
function showNav(index)
{
    var ePointer;   //Pointer to Element to be edited
    areaNavBaseHeader = document.getElementById('areaNavBase_Header');
    
    if(activeNavId)
    {
        ePointer = document.getElementById(activeNavId);
        ePointer.style.display = "none";
    }
    
    activeNavId = navIdArray[index][1];
    ePointer = document.getElementById(activeNavId);
    if(ePointer)
    {
        ePointer.style.display = "block";
        areaNavBaseHeader.firstChild.nodeValue = navIdArray[index][0];
    }
    else
    {
        alert("Can't find navigation for " + activeNavId);
    }
    
    return false;
}