function change_city(id_judet){
	id_camp_err='msg_err_oras';
	xmlHttp=GetXmlHttpObject();
	xmlHttp.open('post','form_show_oras.php');
	xmlHttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	xmlHttp.onreadystatechange=insertError;
	xmlHttp.send('id_judet=' + id_judet);
	}

function insertError() 
{
	
	if (xmlHttp.readyState==1)
	{ 
		document.getElementById(id_camp_err).innerHTML='<div style="text-align:center; height:14px; padding:10px; background-color:#f9f9f9;">loading</div>' 
	
	} 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById(id_camp_err).innerHTML=xmlHttp.responseText 
	
	} 
} 

function GetXmlHttpObject()
	{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest) //penru mozilla
		{
		objXMLHttp=new XMLHttpRequest()
		}
	else if (window.ActiveXObject) //pentru internet explorer
		{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
		}
	return objXMLHttp
	}