function funcLogonOFF(){	
	document.location.href = "salir.php";
}

function funcinicio(){	
	document.location.href = "index.php";
}



function validalogin(){
		
	 idusuario=document.frmlogin.user.value;
	 contracena=document.frmlogin.pass.value;
	 savelogin = document.frmlogin.setcookie.checked; 
	
	
	 ajax = ajaxobj();
	ajax.open("GET", "valida_login.php?user="+idusuario+"&pass="+contracena+"&setcookie="+savelogin, true);
	
	
	ajax.onreadystatechange=function() {
		
	
	if (ajax.readyState == 4) {
	
	var_msg=ajax.responseText;	
	var_rpta=var_msg.substring(0,2);	
	var_msg =var_msg.substring(4,var_msg.length);
	
				
	
		if(var_rpta=="no"){		
		alert(var_msg);
		     // saySimpleAdvertencialogin(var_msg);			
		}
	
	   
   	   if(var_rpta=="ok")
	   {
		
		window.location = "index.php?id=";
		     
	       }
	    }
	}
	
	ajax.send(null);
	 
	 
	
}