function switch_img(obj,new_img, id1, divs,farb_id,id5,isnopos,firstnopos){
	document.getElementById("pic_" + id1).style.backgroundImage="url(" + new_img +")";
      if (isnopos=='1'){
      	id5=firstnopos;
      }
  document.getElementById("hidden_bild_" + id1).value= id5;
}

function switch_stick(new_img, newurl){
	document.getElementById("main_div").style.backgroundImage="url(" + newurl +")";
  document.preview.stick_pic.value=newurl;
  document.preview.stick_pic_id.value=new_img;
}



function show_details(oid,sh){
  if (sh==1){
   getDynamicContent('prod_details_layer.php?id=' + oid,'msg_layer','o_' + oid);
  }else{
   getDynamicContent('prod_details_layer.php?id=' + oid + '&size=small','msg_layer','o_' + oid);
  }
}

function getDynamicContent(getURL,target,oid)
{
var Field = document.getElementById(target);

    try {
        if(window.XMLHttpRequest) {
            xmlhttp = new XMLHttpRequest();
        } else if(window.ActiveXObject) {
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    } catch(e) {
        return false;
    }
		document.getElementById('msg_layer').style.display='none';
    xmlhttp.open("GET", getURL, true);
    xmlhttp.onreadystatechange=function() {
      if (xmlhttp.readyState == 4) {
        Field.innerHTML = xmlhttp.responseText; // puts the result into the element
        var a =document.getElementById(oid).offsetTop - 220;
				document.getElementById('msg_layer').style.top=a + "px";
				document.getElementById('msg_layer').style.display='block';
      }
    }
    xmlhttp.send(null);
} 


var nc	=	!!(document.captureEvents && !document.documentElement);
var ie	=	!!document.all;
var ie4	=	!!(!document.documentElement && document.all);
var dom	=	!!document.documentElement;
var nc6	=	!!(dom && (!document.all));
var mac	=	!!(navigator.userAgent.indexOf("Mac")!=-1);

function close_msg_layer(){
	document.getElementById('msg_layer').style.display = 'none';
}

function findAktX(num)
{ 
	return (nc? dRefS(num).x : ((mac && ie)?  dRefS(num).pixelLeft : dRef(num).offsetLeft));
}
function findAktY(num)
{
	return (nc? dRefS(num).y : ((mac && ie)?   dRefS(num).pixelTop : dRef(num).offsetTop));
}
function dRefS(num)
{
	return (nc? document.layers[num] : (ie4? document.all[num].style : document.getElementById(num).style));
}

function dRef(num)
{
	return (nc? document.layers[num] : (ie4? document.all[num] : document.getElementById(num)));
}
  
  	function switch_img2(obj,new_img, id1, divs,farb_id){
      document.getElementById("pic_big").src= new_img;
    }
  	function switch_img3(obj,new_img, id1, divs,farb_id,id5,a){
      document.getElementById("pic_" + id1).src= new_img;
      document.getElementById("check_hidden_bild_" + a).value= id5;
    }
    
    function getDynamicContent2(getURL,target,oid)
    {
    var Field = document.getElementById(target);
    
        try {
            if(window.XMLHttpRequest) {
                // Gecko (Firefox, Moz), KHTML (Konqueror, Safari), Opera, Internet Explorer 7
                xmlhttp = new XMLHttpRequest();
            } else if(window.ActiveXObject) {
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); // Internet Explorer 4,5,5.5,6
            }
        } catch(e) {
            return false;
        }
				document.getElementById('msg_layer2').style.visibility='hidden';
        xmlhttp.open("GET", getURL, true);
        xmlhttp.onreadystatechange=function() {
    
            if (xmlhttp.readyState == 4) {
                Field.innerHTML = xmlhttp.responseText; // puts the result into the element
								document.getElementById('msg_layer2').style.visibility='visible';
            }
        }
        xmlhttp.send(null);
    } 
  function show_rr(){
    var breite = screen.width;
    var hoehe = screen.height;
    var fensterbreite = 737; 
    var fensterhoehe = 315;
    var pos_x = (breite/2)-(fensterbreite/2);
    var pos_y = (hoehe/2)-(fensterhoehe/2);
    var popurl =  "rr.php"
    winpops=window.open(popurl,"","width="+fensterbreite +",height="+fensterhoehe+",scrollbars,,left="+pos_x+",top="+pos_y+"")
    winpops.focus()
  }
  
  
function CheckNumbers(Wert) {

 Wert=document.start.anzahl.value;
  if(isNaN(Wert) == true)
  {
  document.start.anzahl.focus();
  alert ("Bitte geben Sie nur Zahlen in das Feld Anzahl ein!");
   return false;
  }
  if(Wert==0)
  {
    document.start.anzahl.focus();
    alert ("Bitte geben Sie an, wieviele Medien Sie benötigen!");
   return false;
  }
  if(document.start.check.value==0)
  {
    alert ("Bitte geben Sie an, welchen Medien-Typ Sie benötigen!");
   return false;
  }
  
  return true;
}

function send_form(){
	var a=CheckNumbers();
	if (a){
  	document.start.submit();
  }
}