function new_browser(src,name,w,h) {
    size=",width="+w+",height="+h
    browser=window.open(src, name,"scrollbars=yes,resizable=yes,toolbar=no, titlebar=no,status=no,menubar=yes,location=no,directories=no"+size)
  }
function new_window(src,name,w,h) {
    size=",width="+w+",height="+h
    browser=window.open(src, name,"scrollbars=no,resizable=no,toolbar=no,titlebar=no,status=no,menubar=no,location=no,directories=no"+size)
  }
function valid_email() {
        test = true ;
        var re = /^\w+([\-|\.]\w+)*@\w+([\-|\.]\w+)+$/ ;
        if (re.test(document.formulaire.email.value)==false){
                document.formulaire.img_email.src="img/flechroug.gif";
                test =  false;
		}
		else {
				document.formulaire.img_email.src="img/c.gif";
		}
        
        if (test == false ) {
        } else {
                document.formulaire.submit();
        }
}