function Elrejt_Hirlev(id1,id2)
 {
   var cb1
   var cb2
      
	   cb1 = id1+"cb";
	   cb2 = id2+"cb";
	 
      document.getElementById(id1).className = "kibont";
	  document.getElementById(cb1).checked = true;
	  document.getElementById(cb2).checked = false;
	  document.getElementById(id2).className = "osszecsuk";
 }

//---[Add to bookmark]--------------------------------------

  function addbookmark()
  {
       var bookmarkurl="http://www.z-press.hu"
       var bookmarktitle="Z-Press Kiadó és Digitális nyomda"

	if (window.sidebar)
        { 
	  window.sidebar.addPanel(bookmarktitle,bookmarkurl,"");         
	}
        else if( document.all )
        {
	  window.external.AddFavorite(bookmarkurl,bookmarktitle);
	}
        else if( window.opera && window.print )
        {
	  return true;
        }
  }
//---[Submit form]--------------------------------------
 function submitform(myform)
 {
   document.forms[myform].submit();
 }

//---[Question Dialog]--------------------------------------

 function Kerdes(question){
  if (confirm(question)) 
    return true
  else
   return false
 }

//---[Hibaell dialog]--------------------------------------

 function Hibaell(field){
    with (field)
    {
      if (value==null||value=="")
      {
        alert("Kérem adjon meg egy darabszámot!");
        return false
      }
      else if(isNaN(field.value))
      {
        alert("Hibásan adta meg a darabszámot!");
        return false
      }
      else if(field.value <= 0)
      {
        alert("A darabszám nem lehet kevesebb mint egy!");
        return false
      }
      else
      {
        return true
      }
    }
 }

//---[Check box ellenorzes]--------------------------------------

 function IsChecked1(field,msg){
    with (field)
    {
      if (field.checked == false)
      {
        alert(msg);
        return false
      }
      else
      {
        return true
      }
    }
 }

 function Elrejt(cbox,divid)
 {
    if(document.getElementById(cbox).checked == false)
      document.getElementById(divid).className = "kibont";
   else
    document.getElementById(divid).className = "osszecsuk";

 }

//---[Képcsere]------------------------------------------------
   browserNev = navigator.appName;
   browserVer = parseInt(navigator.appVersion);

   if (browserNev == "Netscape" && browserVer >= 3)
      browserVer = "1";
   else if (browserNev == "Microsoft Internet Explorer" && browserVer == 4)
      browserVer = "1";
   else browserVer = "2";

   function ImageChange(id,image)
   {
      if (browserVer == 1)
       {
         document.images[id].src = '/images/'+image;
       }
   }