// JavaScript Document
    function login(){
	 document.getElementById("login").style.display="block"
	 document.getElementById("login").innerHTML="<div id='mail'><form id='form1' name='form1' method='post' action='control.php'><ul><li><input type='text' name='usuario' id='usuario' /></li><li><input type='password' name='pass' id='pass' /></li></ul><span class='boton'><input type='submit' name='send_button' value='Ingresar'/></span><div id='salirmail'><a href='javascript:cierramail()'>X</a></div><div id='sig'></div></form></div>"}
	 function cierramail(){
	    document.getElementById("login").style.display="none"

		
	}