function hiddenbox() {
    if(document.getElementById('rezbox1')) {
        document.getElementById('rezbox1').style.display = "";
        var i;
        for (i = 2; i <= 19; i++) {
            document.getElementById('rezbox' + i).style.display = "none";
        }   
    }   
}

window.onload = hiddenbox;

sdiv = 'studienbox1'; 
function clickshow2(div)
         {         
         var obj=document.getElementById(div);
         var sobj=document.getElementById(sdiv);
         sobj.style.display="none";
         obj.style.display="";
        sdiv=div;
}

sdiv='box1'; //Startcontent festlegen
function clickshow(div)
       {         
     var obj=document.getElementById(div);
        var sobj=document.getElementById(sdiv);
         sobj.style.display="none";
        obj.style.display="";
       sdiv=div;
}

rezdiv='rezbox1'; //Startcontent für Rezepte festlegen
function clickshow4(div)
       {         
     var obj=document.getElementById(div);
        var sobj=document.getElementById(rezdiv);
         sobj.style.display="none";
        obj.style.display="";
       rezdiv=div;
}



ssdiv='box10'; //Startcontent festlegen
function clickshow3(div)
       {         
     var obj=document.getElementById(div);
        var sobj=document.getElementById(ssdiv);
         sobj.style.display="none";
        obj.style.display="";
       ssdiv=div;
}

sssdiv='linksbox1'; //Startcontent festlegen
function clickshow5(div){
        var obj = document.getElementById(div);
        var sobj = document.getElementById(sssdiv);
        sobj.style.display = "none";
        obj.style.display = "";
        sssdiv = div;
}


faqdiv='faqbox1'; //Startcontent festlegen
function clickshow6(div) {         
  var obj=document.getElementById(div);
  var sobj=document.getElementById(faqdiv);
  sobj.style.display="none";
  obj.style.display="";
  faqdiv=div;
}



//neues Browser Fenster öffnen
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

//Mouseover Bilder  
    function changeIt(ImageToChange, ImageToShow) 
        { document[ImageToChange].src = ImageToShow;} 
        
//Hintergrundfarbe ändern   
    function changeColor(x,Farbe,x2,Farbe2){
         
        if (document.layers){
            document.layers[x].bgColor=Farbe;
            if (x2) document.layers[x2].bgColor=Farbe2;
        }
        else if (document.getElementById){
            document.getElementById(x).style.background=Farbe;
            if (x2) document.getElementById(x2).style.background=Farbe2;
        }
        else{
            document.all[x].style.background=Farbe;
            if (x2) document.all[x2].style.background=Farbe2;
        }
    }
    
//Bilder laden 
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

//Bilder wechseln
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
      
    
    
     


function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}



/* ############### Onload-Funktion ################## */
//create onDomReady Event
      window.onDomReady = initReady;
 
      // Initialize event depending on browser
      function initReady(fn)
      {
        //W3C-compliant browser
        if(document.addEventListener) {
          document.addEventListener("DOMContentLoaded", fn, false);
        }
        //IE
        else {
          document.onreadystatechange = function(){readyState(fn)}
        }
      }
 
      //IE execute function
      function readyState(func)
      {
        // DOM is ready
        if(document.readyState == "interactive" || document.readyState == "complete")
        {
            func();
        }
      }
      
      
/* ############### Banner-Funktionen ################## */
function bannerfunc (linkID) {
    var newpage = "front_content.php?idcat="+linkID;
//    var newpage = "../banner"+linkID+".html";
    location = newpage;
}

/* ############### Weitere Produkte ################## */
function clickshowprod(i) {
    var prod1 = document.getElementById("produktbox1");
    var prod2 = document.getElementById("produktbox2");
    var prod3 = document.getElementById("produktbox3");
    prod1.style.display = "none";
    prod2.style.display = "none";
    prod3.style.display = "none";

    var prod = document.getElementById("produktbox" + i);
    prod.style.display = "";
        
}