var iversion = -1;

// alert(navigator.appName);
// alert(navigator.userAgent);

function version() {
        iversion = 4; 
        return iversion;
}

if(version()>1) {
  // sel_item="nav16_std";

  nav01_std = new Image();
  nav01_std.src = "images/corps.gif";
  nav01_over = new Image();
  nav01_over.src = "images/corps_a.gif";
  nav01_select = new Image();
  nav01_select.src = "images/corps_a.gif";

  nav02_std = new Image();
  nav02_std.src = "images/uni.gif";
  nav02_over = new Image();
  nav02_over.src = "images/uni_a.gif";
  nav02_select = new Image();
  nav02_select.src = "images/uni_a.gif";

  nav03_std = new Image();
  nav03_std.src = "images/haus.gif";
  nav03_over = new Image();
  nav03_over.src = "images/haus_a.gif";
  nav03_select = new Image();
  nav03_select.src = "images/haus_a.gif";

  nav04_std = new Image();
  nav04_std.src = "images/aktiv.gif";
  nav04_over = new Image();
  nav04_over.src = "images/aktiv_a.gif";
  nav04_select = new Image();
  nav04_select.src = "images/aktiv_a.gif";

  nav05_std = new Image();
  nav05_std.src = "images/foerder.gif";
  nav05_over = new Image();
  nav05_over.src = "images/foerder_a.gif";
  nav05_select = new Image();
  nav05_select.src = "images/foerder_a.gif";

  nav06_std = new Image();
  nav06_std.src = "images/galerie.gif";
  nav06_over = new Image();
  nav06_over.src = "images/galerie_a.gif";
  nav06_select = new Image();
  nav06_select.src = "images/galerie_a.gif";

  

};

function setnav(area) {
	if (area=="lau") {sel_item='nav_02std'};
	init();
}


function init() {
if(version()>1) {
        if (!(sel_item=="keins")) {                             
                document[sel_item].src = eval(sel_item.substring(0,sel_item.length-3) + "over.src");            
        }
}
}

function setback(new_item) {
if(version()>1) {
        //setzen des bisher ausgewählten Menüpunkts auf "nicht ausgewählt"
        if (!((sel_item=="keins") || (sel_item==new_item))) {                           
                document[sel_item].src = eval(sel_item + ".src");               
        }
}
};

function rollon(imgName,wo) {
if(version()>1) {
        imgOn = eval(imgName + ".src");
        document[wo].src = imgOn;
 };
};

function rolloff(imgName,wo) {
if(version()>1) {
//alert(sel_item);
                if (sel_item==imgName) {
                        document[wo].src = eval(imgName.substring(0,5) + "_select.src"); 
                }
                else {
                        document[wo].src = eval(imgName + ".src");                              
                }
 };
};

function open_window (url, w, h){
 callstr = "width=" + w + ",height=" + h + ",toolbar=0,scrollbars=1,resizable=1";
 window.open(url,"thtkjh",callstr);
};