function galleryopen(id,kepnev)
{
  window.open('gallery.php?cikk=' + id + '&kep=' + kepnev +'','GALÉRIA veteran-auto.hu','width=600,height=400,toolbar=0,status=0');
}
function height_window()
{
  if(window.innerHeight)  return window.innerHeight; 
  if(document.body.clientHeight)  return document.body.clientHeight;
  return document.body.clientHeight;
} 
function center( id )
{
  object = document.getElementById(id);
  object.style.marginTop=window.pageYOffset+'px';
}

function center1( id )
{
  object = document.getElementById(id);
  if(navigator.appName.indexOf('Microsoft Internet Explorer')!=-1)
  {
    var height_div=object.scrollHeight;
    height=height_window();
    object.style.marginTop=(height-height_div)/2+'px';
  }
  else
  {
    var height_div= object.scrollHeight;
    height=height_window();
    object.style.marginTop=(height-height_div)/2+'px';
  }
}  
function display(id)
{
  el = document.getElementById(id);
  var display = el.style.display ? '' : 'none';
  el.style.display = display;
}
function change_innerhtml(from,to)
{
  from1 = document.getElementById(from);
  to1   = document.getElementById(to);
  from1.innerHTML = to1.innerHTML;
}
var hex=0 
 function fadetext()
 { 
  if( hex < 100) { 
    hex+=2; 
    document.getElementById("menufade").style.filter= 'alpha(opacity=' + hex + ')';
    document.getElementById("menufade").style.opacity=hex/100;
    setTimeout("fadetext()",30); 
  }
  else hex=0;
 }

function opacity(id, opacStart, opacEnd, millisec) {
   
    var speed = Math.round(millisec / 100);
    var timer = 0;

   
    if (opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }

    else if (opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;

    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = 'alpha(opacity=' + opacity + ')';
}