function nuevoAjax(){
	var xmlhttp=false;
	try{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(E){
			xmlhttp = false;
		}
	}	
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}
function enviarMail(){
       c = document.getElementById('resultado');
   
       //variable=documenet.nombre_del_form.nombre_del_control.value
       miemail=document.enviar_email.miemail.value;
       emaildestino=document.enviar_email.emaildestino.value;
       
	   if(miemail==''){
		   return false;
		   }else if(emaildestino==''){
			   return false;
			   }
	   
       ajax=nuevoAjax();
       c.innerHTML = '<p style="text-align:center;">Enviando...</p>'; 
       ajax.open("POST", "http://www.tepatheacuatico.com.mx/librerias/mail.php",true);
       ajax.onreadystatechange=function() {
       if (ajax.readyState==4) {
       c.innerHTML = ajax.responseText
       }
       borrarCampos()
       }
       ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
       ajax.send("mi_mail="+miemail+"&email_destino="+emaildestino)
}
function borrarCampos(){
       document.enviar_email.miemail.value="";
       document.enviar_email.emaildestino.value="";
       document.enviar_email.miemail.focus();
}