// JavaScript Document
function CheckFieldLength(fn,wn,rn,mc)
{
  var len = fn.value.length;
  if (len > mc) {
    fn.value = fn.value.substring(0, mc);
    len = mc;
  }
  document.getElementById(wn).innerHTML = len;
  document.getElementById(rn).innerHTML = mc - len;
}

function PreviewField(fon,ton)
{
  document.getElementById(ton).innerHTML = fon.value;
}

function SetGlobalTextAdvStatus(ShowHide)
{
	if (ShowHide==1)
		ga_text.style.display = '';
	else
		ga_text.style.display = 'none';	
}

function GAT()
{
	if(itemForm.ga_t.checked)
		ga_text.style.display = '';
	else
		ga_text.style.display = 'none';
}

function GAG()
{
	if(itemForm.ga_g.checked)
		ga_graph.style.display = '';
	else
		ga_graph.style.display = 'none';
}