function hide() {
	document.getElementById('mask').style.display = 'none';
	document.getElementById('msg').style.display = 'none';
	}

function ajax(url1,zone1,url2,zone2)
	{
	xajax(url1,zone1);
	if (url2 != null)
		{
		xajax(url2,zone2);
		}
	}
function xajax(url,zone)
	{ 
	var req = false;
	
 	if (window.XMLHttpRequest)
		{
 		req = new XMLHttpRequest();
		} 
	else if (window.ActiveXObject) 
		{
		req = new ActiveXObject('Microsoft.XMLHttp');
	   	}	
		
	if (document.getElementById(zone))
		{
		req.open('GET', url, true); 
		req.onreadystatechange = function()
			{ 
			if(req.readyState == 4)
				{
				if(req.status == 200)
					{
					document.getElementById(zone).innerHTML  = req.responseText;
					delete req;
					req = null;	
					}	
				else	
					{
					document.getElementById(zone).innerHTML='Klaida( ' + req.status + ' )';
					delete req;
					req = null;	
					}
				}
			}
		req.send(null);	
		}
	} 
	
function sides() {
	if (document.getElementById('left').offsetHeight < document.body.offsetHeight)
		{
		document.getElementById('right').style.height = document.body.offsetHeight+'px';
		document.getElementById('left').style.height = document.body.offsetHeight+'px';
		document.getElementById('gbform').style.visibility = 'hidden';
		}
	if (document.getElementById('left') != null)
		{
		
		}	
	}

function unhideform() {
	document.getElementById('gb_form').style.visibility = 'visible';
	document.getElementById('gb_form').style.height = 'auto';
}