function showMenuLi(elem)
{
	elem.className="lm_active";
}
function hideMenuLi(elem)
{
	elem.className="lm_nactive";
}
function gebi(id)
{
	return document.getElementById(id);
}
function gebt(elem, tagname)
{
	return elem.getElementsByTagName(tagname);
}

function gebn(name)
{
	return document.getElementsByName(name)[0];
}
/*function SubmObject(backend, async,post_or_get) 
{
	var req=0;
	if (window.XMLHttpRequest)
	{
		req = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (!req)
		{
			req = new ActiveXObject("Msxml2.XMLHTTP");
		}
	}
	req.open(post_or_get, backend, async);
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	return req;
}*/

/*function replaceDiv(filename, id, txtreq,plusOnReady)
{
	var req = new SubmObject("/ajax_pages/"+filename, true,"POST");
	req.onreadystatechange = function()
	{
		if(req.readyState=="4")
		{
			gebi(id).innerHTML=req.responseText;
			if(plusOnReady!=undefined && trim(plusOnReady))
			{
				eval(plusOnReady);
			}
		}
	}
	req.send(txtreq);
}*/

function parLev(elem,level)
{
	for(var i=0;i<level;i++)
	{
		elem=elem.parentNode;
	}
	return elem;
}

function trim(s)
{
  return rtrim(ltrim(s));
}

function ltrim(s)
{
  return s.replace(/^\s+/, ""); 
}

function rtrim(s)
{
  return s.replace(/\s+$/, ""); 
}