var navigationLastSelect;
var subnavigationLastSelect;

var context = new Array();
context[0] = "Das Tor zur Gebärdensprache - schnuppern Sie die Seiten durch ...";
context[1] = "Brandaktuelle Informationen rund um die Gebärdensprache ...";
context[2] = "Wollen Sie die Gebärdensprache lernen? Hier geht´s weiter ...";
context[3] = "Wer treibt die Kraft unseres Vereins? Alles über den Vorstand, Verein ...";
context[4] = "Offizielle Anschrift des Vereins, Haftungshinweise und sonstiges ...";

var urls = new Array();
urls[0] = "index.html";
urls[1] = "information.html";
urls[2] = "gebaerdenkurse.html";
urls[3] = "ueberwiruns.html";
urls[4] = "impressum.html";

function navigationSelect(identifer)
{
    navigationLastSelect = identifer;

    var navigation = document.getElementById("nav"+identifer);
    navigation.className = "navigationSelected";
    var navigationSep = document.getElementById("navsep"+identifer);
    navigationSep.bgColor = "#ECDEEA";

    var pageheadercontext = document.getElementById("pageheadercontext");
    pageheadercontext.innerHTML = context[identifer];
}

function navigationClick(identifer)
{
    window.location.href = urls[identifer];
}

function navigationOver(identifer)
{
    if(identifer==navigationLastSelect)
        return;

    var navigation = document.getElementById("nav"+identifer);
    navigation.className = "navigationOver";
    navigation.style.cursor = "pointer";

    var pageheadercontext = document.getElementById("pageheadercontext");
    pageheadercontext.innerHTML = context[identifer];
}

function navigationOut(identifer)
{
    if(identifer==navigationLastSelect)
        return;

    var navigation = document.getElementById("nav"+identifer);
    navigation.className = "navigation";

    var pageheadercontext = document.getElementById("pageheadercontext");
	
	if(pageheadercontext)
	{
		pageheadercontext.innerHTML = context[navigationLastSelect];
	}
}

function subnavigationSelect(identifer)
{
    if(subnavigationLastSelect>-1)
    {
        var oldcontentDiv = document.getElementById("ueberwirunsContent"+subnavigationLastSelect);
        oldcontentDiv.style.display = "none";

        var navigation = document.getElementById("subnav"+subnavigationLastSelect);
        navigation.className = "ueberwirunsnavigation";
    }

    subnavigationLastSelect = identifer;

    var navigation = document.getElementById("subnav"+identifer);
    navigation.className = "ueberwirunsnavigationSelected";

    var contentDiv = document.getElementById("ueberwirunsContent"+identifer);
    contentDiv.style.display = "inline";
}

function subnavigationOver(identifer)
{
    if(identifer==subnavigationLastSelect)
        return;

    var navigation = document.getElementById("subnav"+identifer);
    navigation.style.cursor = "pointer";
    navigation.className = "ueberwirunsnavigationSelected";
    navigation.style.cursor = "pointer";
}

function subnavigationOut(identifer)
{
    if(identifer==subnavigationLastSelect)
        return;

    var subnavigation = document.getElementById("subnav"+identifer);
    subnavigation.className = "ueberwirunsnavigation";
}