function Display(item) 
{
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   if (visible) {
     obj.style.display="none";
   } else {
      obj.style.display="block";
   }
}

//popup ablakokat jelenítünk meg
function showPopup() 
{
             var winW = 1024;
             var popup_width = 401;

             if (parseInt(navigator.appVersion)>3) {
              if (navigator.appName=="Netscape") {
                winW = window.innerWidth;
              }
              if (navigator.appName.indexOf("Microsoft")!=-1) {
                winW = document.body.offsetWidth;
              }
             }
             var popup = document.getElementById("popup_layer");
             popup.style.left = Math.round((winW-popup_width)/2)  + "px";
             popup.style.visibility = "visible";
}
function hidePopup() 
{
             var popup = document.getElementById("popup_layer");
             popup.style.visibility = "hidden";
}

function MM_CheckFlashVersion(reqVerStr,msg)
{
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}