function toggledisplay(obj)
{
    var ns4 = (document.layers) ? true : false;
    var ie4 = (document.all && !document.getElementById) ? true : false;
    var ie5 = (document.all && document.getElementById) ? true : false;
    var ns6 = (!document.all && document.getElementById) ? true : false;
    var elem = null;

  	if (ie4 || ie5) 
	{ 
	    elem = document.all[obj];
	}
	if (ie4 || ie5)
	    elem = document.all[obj];
	if (ns6)
	{
	    elem = document.getElementById(obj);
	}
	if(ns6)
	{
	    elem = document.getElementById(obj);
	}
	if (ns4)
	{
	    elem = document.layers[obj];
	}
	if (ns4) 
	    elem = document.layers[obj];  



  if (elem) 
  {
    if (elem.style.display != 'block') 
    {
      elem.style.display = 'block';
      elem.style.visibility = 'visible';
    } 
    else
    {
      elem.style.display = 'none';
      elem.style.visibility = 'hidden';
    }
  }
}

function DisableButton(b)
{
  b.disabled = true;
  b.value = 'Bíða við';
}

function webDateChooser_OnBlur(oDateChooser, dummy, oEvent){
	//Add code to handle your event here.
	if(oDateChooser.getValue() == null)
	{
	    oDateChooser.setValue(null);
	}
}