function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function verifmail(email) {
	var mail = new RegExp ("^[a-z0-9]+[a-z0-9\.\_\-]*@[a-z0-9]+[a-z0-9\.\_\-]*[\.]{1,1}[a-zA-Z]{2,4}$");
	reponse=mail.test(email);
	if (!reponse) 
	{
		return false;
	}
	else 
	{
		return true;
	}
}

function remplace(cherche,remplace,chaine){
	var reg=new RegExp("("+cherche+")", "g");
	var nouv = chaine.replace(reg,remplace);
	return nouv;
}

function getXhr(){
	var xhr2;
	if(window.XMLHttpRequest) // Firefox et autres
	xhr2 = new XMLHttpRequest();
	else if(window.ActiveXObject){ // Internet Explorer
	try {
	xhr2 = new ActiveXObject("Msxml2.XMLHTTP");
	
	} catch (e) {
	xhr2 = new ActiveXObject("Microsoft.XMLHTTP");
	}
	}
	else { // XMLHttpRequest non supporté par le navigateur
	alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
	xhr2 = false;
	}
	
	return xhr2;
}