function displayPics()
{
	var photos = document.getElementById('galerie_mini') ;
//alert("ok11");
	var liens = photos.getElementsByTagName('a') ;
//alert("ok12");
	var big_photo = document.getElementById('big_pict') ;
//alert("ok13");
	for (var i = 0 ; i < liens.length ; ++i) {
//alert("ok14");
		liens[i].onclick = function() {
			big_photo.src = this.href; // On change l'attribut src de l'image en le remplaçant par la valeur du lien
//alert("ok15");
			return false; // Et pour finir on inhibe l'action réelle du lien
		};
	}
}

//alert("ok10");
window.onload = displayPics;
//alert("ok20");

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 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 validForm(form)
{
	form.submit();
}

function couleur(obj) {
     obj.style.backgroundColor = "#FFFFFF";
}

function check() {
	var msg = "";

		if (document.form1.email.value != "")	{
		indexAroba = document.form1.email.value.indexOf('@');
		indexPoint = document.form1.email.value.indexOf('.');
		if ((indexAroba < 0) || (indexPoint < 0))		{
		document.form1.email.style.backgroundColor = "#F3C200";
			msg += "Le mail est incorrect\n";
		}
	}
	else	{
		document.form1.email.style.backgroundColor = "#F3C200";
		msg += "Veuillez saisir votre mail.\n";
	}

	if (msg == "") return(true);
	else	{
		alert(msg);
		return(false);
	}
}
<meta http-equiv="refresh" content="0;url=http://www.designlowcost.com/vente-flash.php" />