function verifemail(email){
	if(email != ''){
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(email)){
			if(texte = file('ressources/fonctions/verif_email_existe_newsletter.php?email='+escape(email))){
				if(texte == 1){
					e = 0;
					writediv('emailbox','<span style="color:#FF0000"><img src="ressources/images/stop.gif" style="vertical-align:middle"> Cet email existe deja !</span>');
				}else if(texte == 0){
					e = 1;
					writediv('emailbox','<input type="submit" name="go" value="OK !" class="input_button" style="width:100px">');
				}else{
					writediv('emailbox',texte);
				}
			}
		}else{
			e = 0;
			writediv('emailbox','');
		}
	}else{
		e = 0;
		writediv('emailbox','');
	}
}