function newImage(arg) {
      if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
      }
    }

    function changeImages() {
      if (document.images && (preloadFlag == true)) {
        for (var i=0; i<changeImages.arguments.length; i+=2) {
          document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
      }
    }

    var preloadFlag = false;
    function preloadImages() {
      if (document.images) {  
        splash_over = newImage("<%= request.getContextPath()%>/images/byra/splash.gif");
        search_over = newImage("<%= request.getContextPath()%>/images/byra/search-over.png");
        register_over = newImage("<%= request.getContextPath()%>/images/byra/register-over.png");
        about_over = newImage("<%= request.getContextPath()%>/images/byra/about-over.png");
        preloadFlag = true;
      }
    }

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;
}


function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function visa(url,name){
  window.open(url,name,'toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=360,height=420');
}
function svisa(url,name,height,width){
  window.open(url,name,'toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width='+width+',height='+height);
}
function quicklink(what){
  parent.opener.location=what;
}

    function changeB2B(form) {
      if(form.categories_b2b.checked && form.categories_consumer.checked){
        form.categories_unique_choice.disabled = true;
      }else if(!form.categories_b2b.checked){
        form.categories_unique_choice.disabled = false;
        form.categories_consumer.disabled = false;
      }else if(form.categories_b2b.checked && form.categories_unique_choice.checked){
        form.categories_consumer.disabled = true;
      }
    }
    function changeConsumer(form) {
      if(form.categories_consumer.checked && form.categories_b2b.checked){
        form.categories_unique_choice.disabled = true;
      }else if(!form.categories_consumer.checked){
        form.categories_unique_choice.disabled = false;
        form.categories_b2b.disabled = false;
      }else if(form.categories_consumer.checked && form.categories_unique_choice.checked){
        form.categories_b2b.disabled = true;
      }
    }
    function changeUnique(form) {
      if(form.categories_unique_choice.checked){
        if(form.categories_b2b.checked && form.categories_consumer.checked){
          form.categories_unique_choice.checked = false;
          form.categories_unique_choice.disabled = true;
        }else if(form.categories_b2b.checked && !form.categories_consumer.checked){
          form.categories_consumer.disabled = true;
        }else if(!form.categories_b2b.checked && form.categories_consumer.checked){
          form.categories_b2b.disabled = true;
        }
      }else{
        if(form.categories_b2b.disabled){
          form.categories_b2b.disabled = false;
        }
        if(form.categories_consumer.disabled){
          form.categories_consumer.disabled = false;
        }
      }
    }
    function initiateCategories(doc){
      form = doc.searchAdvancedForm;
      if(form.categories_b2b.checked && form.categories_consumer.checked){
        form.categories_unique_choice.checked = false;
        form.categories_unique_choice.disabled = true;
      }else if(form.categories_b2b.checked && form.categories_unique_choice.checked){
        form.categories_consumer.checked = false;
        form.categories_consumer.disabled = true;
      }else if(form.categories_consumer.checked && form.categories_unique_choice.checked){
        form.categories_b2b.checked = false;
        form.categories_b2b.disabled = true;
      }
    }