function toggleButtonText(id, selected, a_text){
 if(document.getElementById){
  var button = document.getElementById(id);
  var text   = a_text[selected-1];
  if(button){
   if(button.childNodes[0]){
    button.childNodes[0].nodeValue = text;
   }else if (button.value){
    button.value = text;
   }else{
    button.innerHTML = text;
   }
  }
 }
}

function toggleDiv(id, selected, select){
 var divDiv = document.getElementById(id);
 if(selected == select){
  divDiv.style.display = "block";
 }else{
  divDiv.style.display = "none";  
 }
}

function toggleBgColor(id, blnLightUp){
 if(blnLightUp){
  document.getElementById(id).style.backgroundColor = "#ddd";
 }else{
  document.getElementById(id).style.backgroundColor = "#fff";
 }
 return false; 
}

function getWebshopUrl(){
 var_express = (document.getElementById('express').checked) ? 1 : 0 ;
 var_payment = (document.getElementById('payment').value) ? document.getElementById('payment').value : 0 ;
 document.location.replace('webshop.php?mode=cart&payment='+var_payment+'&express='+var_express);
}