function calendar(){
	id_camp_err='cv_calendar';
	var luna=document.getElementById('luna').value;
	var an=document.getElementById('an').value;
	xmlHttp=GetXmlHttpObject();
	xmlHttp.open('post','form_calendar.php');
	xmlHttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	xmlHttp.onreadystatechange=insertError;
	xmlHttp.send('luna=' + luna+ '&an=' + an+ '&submit_form=schimba data');
	}
	
function convertor_valutar(){
	id_camp_err='cv_transforma';
	var suma=document.getElementById('suma').value;
	var valuta_init=document.getElementById('valuta_init').value;
	var valuta_fin=document.getElementById('valuta_fin').value;
	xmlHttp=GetXmlHttpObject();
	xmlHttp.open('post','form_convertor.php');
	xmlHttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	xmlHttp.onreadystatechange=insertError;
	xmlHttp.send('suma=' + suma+ '&valuta_init=' + valuta_init+ '&valuta_fin=' + valuta_fin + '&action=calc_valuta');
	}
	

function insertError() 
{
	
	if (xmlHttp.readyState==1)
	{ 
		document.getElementById(id_camp_err).innerHTML='<div style="text-align:center; height:14px; padding:10px; background-color:#f9f9f9; color:#ff0000">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
	}