//Menu
//window.onload=montre();
function montre(id) {
var d = document.getElementById(id);
	for (var i = 1; i<=12; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (d) {d.style.display='block';}
}

function request(methode,url,param,cadre) {
	var XHR = null;
	if(window.XMLHttpRequest)
		XHR = new XMLHttpRequest();
	else if(window.ActiveXObject)
		XHR = new ActiveXObject("Microsoft.XMLHTTP");
	else {
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
		return;
	}
	if(XHR != null){
	document.getElementById(cadre).innerHTML  ="Patientez...";
	}
	XHR.open(methode,url, true);
	if(methode=='POST'){
		XHR.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
		XHR.send(param);
	}else{
		XHR.send(null);
	}
	XHR.onreadystatechange = function attente() {
		if(XHR.readyState == 4)     {
			if(XHR.status == 200){
				document.getElementById(cadre).innerHTML = XHR.responseText;
			}
		}
	}
	return;
}

function popup(url, w, h, sc){
	window.open(url, 'popup', 'resizable=no,scrollbars=' + sc + ',width=' + w + ',height=' + h + ',menubar=no');
}

//Popup DHTML
var cheminImage = 'imgs/blank.gif'; //image
var lienpopup = "javascript:zoom_out();";
var taillebg = 755;
function zoom_in(imageinsert){
	var cheminImage = 'imgs/'+imageinsert; //image
	var lienpopup = "javascript:zoom_out();";
	monImage = new Image;
	monImage.src = cheminImage;
	monImage.onload = function(){
		var taillebg = monImage.width //largeur popup
		document.getElementById("imgsrc").src = cheminImage;
		var position_x = (document.body.clientWidth-monImage.width)/2; //(largeur ecran - largeur image)/2
		var position_y = (document.body.clientHeight-30-monImage.height)/2; //(hauteur ecran - hauteur image)/2
		chgscroll = document.body.scrollTop; //chgscroll = window.pageYOffset;
		document.getElementById("menu_context").style.top = position_y+(chgscroll);
		document.getElementById("menu_context").style.left = position_x;
		document.getElementById("menu_context").style.visibility = "visible";
		//alert(document.body.scrollTop); //window.pageYOffset sous Firefox
		deactiv_pop = setTimeout("zoom_out()",30000)
	}
}
function zoom_out(){
	document.getElementById("imgsrc").src = 'imgs/blank.gif';
	document.getElementById("menu_context").style.visibility = "hidden";
	
}