function login(){
	document.getElementById("noir").innerHTML ='<div id="fond_noir"><div id="login_bord"><a href="#" onclick="close_login()"><img src="images/fermer_request.jpg" class="right no_border" alt="fermer" /></a><div id="login"><span class="white title login_title">Login administration</span><form action="login.php" method="post"><span class="white"><table class="login_table"><tr><td>Login :</td><td> <input type="text" name="login" /></td></tr><tr><td>Password :</td><td> <input type="password" name="password"  /></td></tr><tr><td></td><td><input type="submit" class="convert make_login" value="Login" /></td></tr></table></span></form></div></div></div>';
}
function close_login(){
	document.getElementById('noir').innerHTML ="";
	
	}