function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function makeArray(n) {
this.length = n;
for (var i=1; i<=n; i++) {
this[i] = ""; 
}
return this;
}
var i;
function imagealeatoire() {
i = Math.floor(77* Math.random() + 1);
return image[i];
}
image = new makeArray(77);
image[1]="'img/1.jpg' ";
image[2]="'img/2.jpg' ";
image[3]="'img/3.jpg'";
image[4]="'img/4.jpg' ";
image[5]="'img/5.jpg' ";
image[6]="'img/6.jpg' ";
image[7]="'img/7.jpg' ";
image[8]="'img/8.jpg' ";
image[9]="'img/9.jpg' ";
image[10]="'img/10.jpg' ";
image[11]="'img/11.jpg' ";
image[12]="'img/12.jpg' ";
image[13]="'img/13.jpg' ";
image[14]="'img/14.jpg' ";
image[15]="'img/15.jpg' ";
image[16]="'img/16.jpg' ";
image[17]="'img/17.jpg' ";
image[18]="'img/18.jpg' ";
image[19]="'img/19.jpg' ";
image[20]="'img/20.jpg' ";
image[21]="'img/21.jpg' ";
image[22]="'img/22.jpg' ";
image[23]="'img/23.jpg' ";
image[24]="'img/24.jpg' ";
image[25]="'img/25.jpg' ";
image[26]="'img/26.jpg' ";
image[27]="'img/27.jpg' ";
image[28]="'img/28.jpg' ";
image[29]="'img/29.jpg' ";
image[30]="'img/30.jpg' ";
image[31]="'img/31.jpg' ";
image[32]="'img/32.jpg' ";
image[33]="'img/33.jpg' ";
image[34]="'img/34.jpg' ";
image[35]="'img/35.jpg' ";
image[36]="'img/36.jpg' ";
image[37]="'img/37.jpg' ";
image[38]="'img/38.jpg' ";
image[39]="'img/39.jpg' ";
image[40]="'img/40.jpg' ";
image[41]="'img/41.jpg'";
image[42]="'img/42.jpg' ";
image[43]="'img/43.jpg' ";
image[44]="'img/44.jpg' ";
image[45]="'img/45.jpg' ";
image[46]="'img/46.jpg' ";
image[47]="'img/47.jpg' ";
image[48]="'img/48.jpg' ";
image[49]="'img/49.jpg' ";
image[50]="'img/50.jpg' ";
image[51]="'img/51.jpg' ";
image[52]="'img/52.jpg' ";
image[53]="'img/53.jpg' ";
image[54]="'img/54.jpg' ";
image[55]="'img/55.jpg' ";
image[56]="'img/56.jpg' ";
image[57]="'img/57.jpg' ";
image[58]="'img/58.jpg' ";
image[59]="'img/59.jpg' ";
image[60]="'img/60.jpg' ";
image[61]="'img/61.jpg' ";
image[62]="'img/62.jpg' ";
image[63]="'img/63.jpg' ";
image[64]="'img/64.jpg' ";
image[65]="'img/65.jpg' ";
image[66]="'img/66.jpg' ";
image[67]="'img/67.jpg' ";
image[68]="'img/68.jpg' ";
image[69]="'img/69.jpg' ";
image[70]="'img/70.jpg' ";
image[71]="'img/71.jpg' ";
image[72]="'img/72.jpg' ";
image[73]="'img/73.jpg' ";
image[74]="'img/74.jpg' ";
image[75]="'img/75.jpg' ";
image[76]="'img/76.jpg' ";
image[77]="'img/77.jpg' ";



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 valid() {
var form_err = " "
if ( document.f.mm23.value.length < 1) {
form_err = "Email invalide !  ";
}
if ( document.f.mm23.value == "votrenom@mail.com") {
form_err = "Email invalide !  ";
}

var verim = 0;
for (i=1; i<document.f.mm23.value.length -4; i++) {
if ( document.f.mm23.value.charAt(i) == "@") {
verim = 1;
}} 
if ( verim == 0) {
form_err = "Email invalide ! - ";
} 
if ( document.f.nn12.value.length < 1) {
form_err += "Il manque le Nom. - ";
}

 
if ( form_err != " ") {
alert(form_err);
return false;
}
return true 
}

<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		logo_laville_r_opt_01_over = newImage("images/logo-laville-r-opt_01-over.gif");
		logo_laville_r_opt_02_over = newImage("images/logo-laville-r-opt_02-over.gif");
		preloadFlag = true;
	}
}

//-->