function GetXmlHttpObject(){
    var xmlHttp=null;
    try{
      // Firefox, Opera 8.0+, Safari
      xmlHttp = new XMLHttpRequest();
    }
    catch (e){
      // Internet Explorer
      try{
        xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
      }
      catch (e){
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
    
    return xmlHttp;
}


function searchInternetDict(param){

  var request = GetXmlHttpObject();

  request.onreadystatechange = function(){
	  if(request.readyState == 4)
    {
      var display = document.getElementById('szotardiv');
      display.innerHTML = request.responseText;
	  }
  }
  
	request.open("GET", "szotarkeres.php?keresoszo="+param, true);
	request.send(null); 
  
}

function biggerText(){
  var obj = document.getElementById('container_content');
  var s;
  if(obj.style.fontSize != ''){
    s = parseInt(obj.style.fontSize.replace('px', ''));
    s += 2;
  }
  else{
    s = 14;
  }
  obj.style.fontSize = s+'px';
  if(s>=18) {
    document.getElementById('bigger_txt').href = 'javascript:void()';
    document.getElementById('bigger_txt').style.cursor = 'default';
    document.getElementById('bigger_txt_img').src = 'pic/plus_grey.png';
  }
  if(s>=8) {
    document.getElementById('smaller_txt').href = 'javascript:smallerText()';
    document.getElementById('smaller_txt').style.cursor = 'pointer';
    document.getElementById('smaller_txt_img').src = 'pic/minus.png';
  }
}

function smallerText(){
  var obj = document.getElementById('container_content');
  var s;
  if(obj.style.fontSize != ''){
    s = parseInt(obj.style.fontSize.replace('px', ''));
    s -= 2;
  }
  else{
    s = 10;
  }
  obj.style.fontSize = s+'px';
  if(s<=8) {
    document.getElementById('smaller_txt').href = 'javascript:void()';
    document.getElementById('smaller_txt').style.cursor = 'default';
    document.getElementById('smaller_txt_img').src = 'pic/minus_grey.png';
  }
  if(s<=18) {
    document.getElementById('bigger_txt').href = 'javascript:biggerText()'
    document.getElementById('bigger_txt').style.cursor = 'pointer';
    document.getElementById('bigger_txt_img').src = 'pic/plus.png';
  }
}

function rollOver(obj){
  var check = obj.src.split('_over');
  if(check.length > 1) return;
  var spl = obj.src.split('.');
  var ujsrc = '';
  var i=0;
  
  for(i=0; i<spl.length; ++i){
    if(i == (spl.length - 1 )) ujsrc += '_over.';
    ujsrc += spl[i];
    if(i < (spl.length - 2 )) ujsrc += '.';
  }

  obj.src = ujsrc;
}

function rollOut(obj){
  if(obj.id == 'akt') return;
  var spl = obj.src.split('_over');
  obj.src = spl[0]+spl[1];
}



function showTab(id){
  var i;
  var toshow = document.getElementById('tab'+id);
  toshow.style.display = 'block';
  document.getElementById('tab'+id+'caption').className = 'activeTab';
  
  for(i=1;i<6;i++){
    if(i==(id)) continue;
    document.getElementById('tab'+i).style.display = 'none';
    document.getElementById('tab'+i+'caption').className = '';
  }
    
}



function showHideDropDownTD(id){
  var td = document.getElementById(id);
  if(td.style.display == 'none')  td.style.display ='table-cell';
  else td.style.display = 'none';
  return true;
}