function get_pays() {
	var xhrPaysSelect=createXHR();
	xhrPaysSelect.open('POST',"coverage.php",true);
	xhrPaysSelect.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xhrPaysSelect.onreadystatechange = function()
	{
		if(xhrPaysSelect.readyState == 4 && xhrPaysSelect.status == 200) {
				var rstPaysSelect = xhrPaysSelect.responseText;
				document.getElementById('pays_cover').innerHTML = rstPaysSelect;
				//document.getElementById('td_prix_sms').innerHTML = "250 €";
			}
	}
	var data ='getSelect=ok';
	xhrPaysSelect.send(data);
	get_pays_Flag();
	}
function get_pays_Flag() {
	var xhrPaysFlag=createXHR();
	xhrPaysFlag.open('POST',"coverage.php",true);
	xhrPaysFlag.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xhrPaysFlag.onreadystatechange = function()
	{
		if(xhrPaysFlag.readyState == 4 && xhrPaysFlag.status == 200) {
				var rstPaysFlag = xhrPaysFlag.responseText;
				document.getElementById('liste_pays').innerHTML = rstPaysFlag;
				//document.getElementById('td_prix_sms').innerHTML = "250 €";
			}
	}
	var data ='getFlag=ok';
	xhrPaysFlag.send(data);
	}
function getPrix_select() {
	var id = document.getElementById('pays_cover').options[document.getElementById('pays_cover').selectedIndex].value;
	getPrix(id);
	}
function getPrix(id) {
	var val_pays = document.getElementById('pays_'+id).value;
	//alert (val_pays);
	pattern = /\//;
	var result = val_pays.split(pattern);
	document.getElementById('td_nom_pays').innerHTML = result[0];
	document.getElementById('td_prix_sms').innerHTML = result[1]+' €';
	document.getElementById('td_prix_wap').innerHTML = result[2]+' €';
	}