var BrowserOK=false;
var pics;
browserOK=true;
pics = new Array();

var objCount=0;

        function preload(name, first, second) {

if(browserOK)

        {

        pics[objCount] = new Array(3);
        pics[objCount][0] = new Image();
        pics[objCount][0].src = first;
        pics[objCount][1]=new Image();
        pics[objCount][1].src = second;
        pics[objCount][2]=name;
        objCount ++;

        }

}



function on(name){

        if (browserOK){
        for (i=0; i < objCount; i++) {
         if (document.images[pics[i][2]] !=null)
          if (name !=pics[i][2]) {
           if (pics[i][0].complete)
            document.images[pics[i][2]].src = pics[i][0].src;

} else {

if (pics[i][1].complete)

    document.images[pics[i][2]].src=pics[i][1].src;

  }
 }
 }
}

function off(){

 if (browserOK) {

  for (i=0; i < objCount; i++){
        if (document.images[pics[i][2]] !=null)
         if (pics[i][0].complete)
          document.images[pics[i][2]].src = pics[i][0].src;
}
}
}

zeugoffen = new Array("","","");
contentLoaded = new Array();


function zeugauf(contentid, ebene) {
    
    if( zeugoffen[2] != "" ) {
        $('cat_'+zeugoffen[2]).style.display = 'none';
        $('pfeil_'+zeugoffen[2]).innerHTML = '';
    }
    
    if( zeugoffen[1] != "" && ebene < 2 ) {
        $('cat_'+zeugoffen[1]).style.display = 'none';
        $('pfeil_'+zeugoffen[1]).innerHTML = '';
    }

    if( zeugoffen[0] != "" && ebene < 1 ) {
        $('cat_'+zeugoffen[0]).style.display = 'none';
        $('pfeil_'+zeugoffen[0]).innerHTML = '';
    }
    
    $('cat_'+contentid).style.display = 'block';
    $('pfeil_'+contentid).innerHTML = '<img src="sys_img/zeug/arr_down.gif" alt="" />';
    
    if( $('cat_'+contentid).className == 'content' && contentLoaded[contentid] != true ) {
        $('cat_'+contentid).innerHTML = '<p><img src="sys_img/spinner_big.gif" alt="" /></p>';
        new Ajax.Updater('cat_'+contentid, 'ajax/zeug/'+contentid+".html", {
                method:'get', 
                evalScripts:true, 
                asynchronous:true,
                requestHeaders: {
                    "Pragma":            "no-cache",
                    "Cache-Control":     "no-store, no-cache, must-revalidate, post-check=0, pre-check=0", 
                    "Expires":           0,
                    "Last-Modified":     new Date(0),
                    "If-Modified-Since": new Date(0)
                } 
        });
        contentLoaded[contentid] = true;
    }
    
    zeugoffen[ebene] = contentid;
    
}

preload("zeugimg1", "sys_img/zeug/shop-klein.gif", "sys_img/zeug/shop-ani.gif");
preload("zeugimg2", "sys_img/zeug/suche-klein.gif", "sys_img/zeug/suche-ani.gif");
preload("zeugimg3", "sys_img/zeug/fragen-klein.gif", "sys_img/zeug/fragen-ani.gif");
preload("zeugimg4", "sys_img/zeug/start-klein.gif", "sys_img/zeug/start-ani.gif");