// PNG transparent sous internet Explorer
function IE_CorrectAlpha_PNG(){ 
	for(i=0; i<document.images.length; i++){ 
		img    = document.images[i]; 
		imgExt  = img.src.substring(img.src.length-3, img.src.length); 
		imgExt  = imgExt.toUpperCase(); 
		if (imgExt == "PNG"){ 
			imgID    = (img.id) ? "id='" + img.id + "' " : ""; 
			imgClass= (img.className) ? "class='" + img.className + "' " : ""; 
			imgTitle= (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "; 
			imgStyle= "display:inline-block;" + img.style.cssText; 
			if (img.align == "left") { 
				imgStyle = "float:left;"  + imgStyle;
			}else if (img.align == "right"){
				imgStyle = "float:right;" + imgStyle;
			} 
			if (img.parentElement.href){ 
				imgStyle = "cursor:hand;" + imgStyle;
			}        
			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", IE_CorrectAlpha_PNG);
/* Ajouter au favoris */
function favoris() {
	/* IE */
	if ( navigator.appName != 'Microsoft Internet Explorer' ){ 
		window.sidebar.addPanel("titre","http://url/",""); 
	}
	/* FireFox */
	else { 
		window.external.AddFavorite("http://url/","titre"); 
	} 
}
/* Popup image centré + lien fermer */
function PopupImage(img) {
	titre="Agrandissement";
	w=open("popup-agrandissement.php?img="+img,"image","width=400,height=400,toolbar=no,scrollbars=no,resizable=no,top=0,left=0");
	w.document.close();
}
/* Chargement des pages ŕ partir d'un menu Flash */
function chargePage(page) {
	top.location.href=page+".php";
}
/* Validation javascript du mail */
function arobaceok(email)
{
	if(document.formVousEtes.email.value == ""){
		alert("Il manque votre adresse e-mail!");
		return false;
	}
	var a=document.forms[0].email.value;
	var test="" + a;
	for(var k = 0; k < test.length;k++)
		{
		var c = test.substring(k,k+1);
		if(c == "@")
		{
		return true;
		}
	}
	alert("La syntaxe de votre e-mail est incorrect !");
	return false;
}