var prevNav="Nav1";
var cookieName="LWLCNav";
function navSwap(descName) {
	var myDiv = document.getElementById(descName);
	var myItem = document.getElementById("item"+descName);
	var prevItem = document.getElementById("item"+prevNav);
	var prevDiv = document.getElementById(prevNav);
	if (prevDiv != null)
	{
		prevDiv.style.display="none";
	}
	if (prevItem != null)
	{
	    prevItem.style.color="";
	}
	if (myDiv != null)
	{
		myDiv.style.display="";
		prevNav=descName;
	} else {
		prevNav="Nav1";
		document.getElementById(prevNav).style.display="";
	}
	if (myItem != null)
	{
			myItem.style.color="Gray";
    }
    if (navigator.cookieEnabled)
    {
        document.cookie = cookieName + "=" + prevNav;
    }
}


function navInit() {
    var cookPos;
    var curNav="Nav1";
    var myDiv;
    for (var i=0; i<10; i++)
    {
        myDiv = document.getElementById("Nav" + i);
        if (myDiv != null)
        {
            myDiv.style.display="none";
        }
    }
    if (navigator.cookieEnabled)
    {
        if (document.cookie.length > 0)
        {
            cookPos = document.cookie.indexOf(cookieName+"=");
            if (cookPos != -1)
            {
                cookPos += cookieName.length + 1;
                curNav = document.cookie.substring(cookPos, cookPos+4);
            }
        }
    }
    myDiv = document.getElementById(curNav);
    if (myDiv != null)
    {
        myDiv.style.display="";
    }
    prevNav = curNav;
}