// -----------------------------------------------------------------------
	// NAVIGATEUR
	var NS4 = (document.layers) ? 1 : 0;
	var NS6 = (document.getElementById) ? 1 : 0;
	var IE4 = (document.all) ? 1 : 0;

	// -----------------------------------------------------------------------
	// OUVERTURE DE POP UP
	function openWindow(url, name, w, h, r, s, m,left, top) {
		popupWin = window.open(url, name, 'width=' + w + ',height=' + h + ',resizable=' + r + ',scrollbars=' + s + ',menubar=' + m + ',left=' + left + ',top=' + top);
	}
	// -----------------------------------------------------------------------
	// VALIDATION D'UN EMAIL
	function checkMail(MAIL){
		var x = MAIL;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(x)) {
			return false;
		}else{
			return true;
		}
	}

	function changeDisplay(div, displayStyle){
		if (NS4) { 
			modMC = document[div];
		}else if (NS6) { 
			modMC = document.getElementById(div).style;
		}else if (IE4) { 
			modMC = [div].style;
		}
		modMC.display=displayStyle;
	}