var oldText;
var oldBackground;

var oldPageText;
var oldPageImg;

var nChangeTimeInterval = 3000;

/* setzt den Text von kleinen in den großen Kreis */
function setText(obj) {
	if (!document.getElementById("bigcircletext").firstChild) { 
		var textNode = document.createTextNode("");
  		document.getElementById("bigcircletext").appendChild(textNode)
	};

	oldText = document.getElementById("bigcircletext").innerHTML; 
	oldBackground = document.getElementById("bigcircle").style.background;

	document.getElementById("bigcircletextdefault").style.display = "none";
	document.getElementById("bigcircle").style.backgroundImage = "url(/graphics/bigcircle-leer.gif)";
	
	var circleText = obj.parentNode.getElementsByTagName("DIV")[1].innerHTML;
	document.getElementById("bigcircletext").innerHTML = circleText;
	
	var circleBackgroundgif = obj.parentNode.getElementsByTagName("DIV")[0].style.background;
	document.getElementById("bigcircleimg").style.background = circleBackgroundgif.replace(/\.gif/, "-cir.gif");
	document.getElementById("bigcircleimg").style.display = "block";

}

function delText() {
	document.getElementById("bigcircleimg").style.display = "none";
	document.getElementById("bigcircleimg").style.background = "";
	document.getElementById("bigcircletext").innerHTML = oldText;
	document.getElementById("bigcircletextdefault").style.display = "block";
	document.getElementById("bigcircle").style.background = oldBackground;
}

function setPageText(sImg, sText) {
	oldPageText = document.getElementById("pagegraphic").innerHTML; 
	oldPageImg = document.getElementById("pagegraphic").style.backgroundImage;
	document.getElementById("pagegraphic").innerHTML = '<table width="100%" height="100%"><tr height="100%"><td width="100%" align="center" valign="bottom"><span class="textfont3">' + sText + '</span></td></tr></table>'; 
	document.getElementById("pagegraphic").style.backgroundImage = 'url(/graphics/' + sImg + ')';
}

function delPageText() {
	document.getElementById("pagegraphic").innerHTML = oldPageText; 
	document.getElementById("pagegraphic").style.backgroundImage = oldPageImg;
}


function BilderVorladen()
{
    document.Vorladen = new Array();

    if(document.images)
    {
        for(var i = 0; i < BilderVorladen.arguments.length; i++)
        {
            document.Vorladen[i] = new Image();
            document.Vorladen[i].src = '/graphics/' + BilderVorladen.arguments[i];
        }
    }
}


var lastMenuImg;
function setMenuOver(obj) {
	lastMenuImg = obj.lastChild.src;
	obj.lastChild.src = '/graphics/menubutton-over.gif';
}
function setMenuOut(obj) {
	obj.lastChild.src = lastMenuImg;
}


BilderVorladen('menubutton-over.gif','menubutton-select.gif');