function valid_email()
{
if (contact.email.value.length < 1) {window.alert("Veuillez entrer un email");return false;}
return true;
}

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 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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



function ChangePort(commande)
        {
        if (commande.ListePort.selectedIndex != 0)
                {
                location.href = commande.ListePort.options[commande.ListePort.selectedIndex].value;
                }
        else
                {
                alert('Veuillez choisir un mode de livraison.');
                }
        }

function ChangeMode(commande)
        {
        if (commande.ListeMode.selectedIndex != 0)
                {
                location.href = commande.ListeMode.options[commande.ListeMode.selectedIndex].value;
                }
        else
                {
                alert('Veuillez choisir un mode de paiement.');
                }
        }

function popup(page,nom,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
win = window.open(page,"listeev","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
win.focus();
}

function getHttpObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  if(!xmlhttp) alert("pas bon");
  return xmlhttp;
}

function Ajaxfraisport(id_pays,id_produit)
{
		var xmlhttp = getHttpObject() ;
xmlhttp.open("GET", "include/Ajaxfraisport.php?id_pays=" + id_pays+"&id_produit="+id_produit, true);
xmlhttp.onreadystatechange = function() {
	var temp=document.getElementById('montant_frais_port');
	if(xmlhttp.readyState == 4) {
		temp.innerHTML=xmlhttp.responseText;
	}else
	{
		temp.innerHTML="...";
	}
}
xmlhttp.send(null) ;
}