var langas;
var rulonas;
function openpopup(url, name)
{
  langas=window.open(url,name,'height=600,width=817,scrollbars=1,status=0,location=0,toolbar=0,menubar=0');
}

function opencomment(url, name)
{
  langas=window.open(url,name,'height=400,width=400,scrollbars=1,status=0,location=0,toolbar=0,menubar=0');
}

function changeImage(imageUrl)
{
  document.getElementById("bigImage").src=imageUrl;
}

function preloadImage(imageUrl)
{
  pseudoImage = new Image();
  pseudoImage.src = imageUrl;
}

function openpaper(url, name)
{
  rulonas=window.open(url,name,'height=600,width=660,scrollbars=1,status=0,location=0,toolbar=0,menubar=0');
}