function overColor(id)
{
    id.style.color="#ae1e50";
    id.style.background="black";
}

function outColor(id)
{
    id.style.color="white";
    id.style.background="none";
}

function validate_question_form(quest,val0,val1,val2,val3)
{
  if(checkQuestion(quest) &&  checkAnswers(val0,val1,val2,val3))
        return true;
   else
       return false;
  
}
function checkQuestion(quest)
{
  if(quest=="" || quest==null)
  {
    alert('נא הכנס/י  את שאלתך');
    return false;
  }
  else if(quest.length>100)
  {
    alert('נא לכתוב שאלה עד 100 תווים');
    return false; 
  }
  else
   return true; 
}

function checkAnswers(val0,val1,val2,val3)
{
   if((val0==null || val0=="") && (val1==null || val1=="") && (val2==null || val2=="") && (val3==null || val3==""))
   {
     alert('נא לכתוב לפחות תשובה אחת');
       return false;
   }
   else if(val0.length>50 || val1.length>50 || val2.length>50 || val3.length>50 )
   {
     alert('נא לכתוב תשובות עד 50 תווים');
     return false;
   }
    else
      return true;
}

function newWindow(mypage,myname,w,h,features) 
{
  if(screen.width)
  {
    var winl = (screen.width-w)/2;
    var wint = (screen.height-h)/2;
  }
  else
  {
     winl = 0;wint =0;
  }
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(mypage,myname,settings);
  win.window.focus();
}

function showGameHelp()
{
  var message = document.getElementById('java_install');
  if(message.style.display=="none")  
  {
     message.style.display="";     
  }
  else
  {
   message.style.display="none";
  }
}



function showMessage(form)
{
  if(form.style.display=="none")  
  {
     form.style.display="";     
  }
  else
  {
   form.style.display="none";
  }
}

function CreateBookmarkLink() {
title = "נטריוויה - משחק טריוויה מקוון";
url = "http://www.netrivia.co.il";
if (window.sidebar) {
window.sidebar.addPanel(title, url,"");
} else if( window.external ) {
window.external.AddFavorite( url, title);
}
else if(window.opera && window.print) {
// Opera Hotlist
return true; }
}