function openWindow(url, name, widthOrSize, height) {
  if (height=="undefined") {
    if (widthOrSize=="undefined") {
      sFeatures = "left=64,top=64,width=420,height=500,menubar=yes,location=yes,toolbar=yes,scrollbars=yes,resizable=yes";
    } 
    else {
      sFeatures = widthOrSize + ",menubar=yes,location=yes,toolbar=yes,scrollbars=yes,resizable=yes";
    }    
  }
  else {
    sFeatures =  "left=64,top=64" + ",width=" + widthOrSize + ",height=" + height + ",menubar=yes,location=yes,toolbar=yes,scrollbars=yes,resizable=yes";  
  }
  return window.open(url, name, sFeatures);
}

function openPopUp(url, name, widthOrSize, height) {
  if (height=="undefined") {
    if (widthOrSize=="undefined") {
      sFeatures = "left=64,top=64,width=420,height=500,menubar=no,location=no,toolbar=no,scrollbars=yes,resizable=yes";
    } 
    else {
      sFeatures = widthOrSize + ",menubar=no,location=no,toolbar=no,scrollbars=yes,resizable=yes";
    }    
  }
  else {
    sFeatures =  "left=64,top=64" + ",width=" + widthOrSize + ",height=" + height + ",scrollbars=yes,resizable=yes";  
  }
  return window.open(url, name, sFeatures);
}


function getElementTop(elem) {
  var result = 0;
  while (elem.offsetParent!=null) {
    result+=elem.offsetTop;
    elem = elem.offsetParent;
  } 
  return result;
}

function getElementLeft(elem) {
  var result = 0;
  while (elem.offsetParent!=null) {
    result+=elem.offsetLeft;
    elem = elem.offsetParent;
  } 
  return result;
}