function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
for(var i=0; i<document.images.length; i++)
{
var img = document.images[i]
var imgName = img.src.toUpperCase()
if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
{
var imgID = (img.id) ? "id='" + img.id + "' " : ""
var imgClass = (img.className) ? "class='" + img.className + "' " : ""
var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
var imgStyle = "display:inline-block;" + img.style.cssText 
if (img.align == "left") imgStyle = "float:left;" + imgStyle
if (img.align == "right") imgStyle = "float:right;" + imgStyle
if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle 
var strNewHTML = "<span " + imgID + imgClass + imgTitle
+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
img.outerHTML = strNewHTML
i = i-1
}
}
}
window.attachEvent("onload", correctPNG);

function subbmit()
		  {
		  	var mess="";
			var form=document.formulaire;

			if (form.nom.value=="")
				mess=mess+"Entrer votre nom\n";
				if (form.pnom.value=="")
				mess=mess+"Entrer votre prénom\n";

			
			if (form.email.value=="")
				mess=mess+"Entrer votre email\n";
			var email = form.email.value; 
			if (form.email.value!="")
        		if (email.search(/^[_a-z0-9-]+(.[_a-z0-9-]+)*[^._-]@[a-z0-9-]+(.[a-z0-9]{2,4})*$/) == -1)
            		mess=mess+"Entrez une adresse Email valide\n"; 
			if (form.money.value=="")
				mess=mess+"Entrer le montant désiré\n";
			if (mess!="")
			{
				alert(mess);
				return false;
			}
			else 
			{
				form.submit();
				return true;
			}
		  }