New option for checking version

admin/index.php

 					</ul>
 					<p>&nbsp;</p>					
 <?php			
-					$present = version();
-					$lastest = _file_get_contents("http://www.gelatocms.com/vgel.txt");
-					if ($present < $lastest) {
-						echo "<div class=\"information\" id=\"update\">".__("A new gelato version has been released and is ready <a href=\"http://www.gelatocms.com/\">for download</a>.")."</div><br />";
+					if($conf->check_version){
+						$present = version();
+						$lastest = _file_get_contents("http://www.gelatocms.com/vgel.txt");
+						if ($present < $lastest) {
+							echo "<div class=\"information\" id=\"update\">".__("A new gelato version has been released and is ready <a href=\"http://www.gelatocms.com/\">for download</a>.")."</div><br />";
+						}
 					}
-					
 					if (isset($_GET["deleted"])) {
 						if ($_GET["deleted"]=="true") {
 							echo "<div class=\"exito\" id=\"divMessages\">".__("The post has been eliminated successfully.")."</div>";

admin/options.php

 			header("Location: ".$conf->urlGelato."/admin/options.php?error=1&des=".$conf->merror);
 			die();
 		}
+		
+		if (!$tumble->saveOption($_POST["check_version"], "check_version")) {
+			header("Location: ".$conf->urlGelato."/admin/options.php?error=1&des=".$conf->merror);
+			die();
+		}
 
 		header("Location: ".$conf->urlGelato."/admin/options.php?modified=true");
 		die();
                                             <option value="1 day" <?php if($conf->rssImportFrec == '1 day') echo "selected=\"selected\""; ?>>24 <?php echo __("hours");?></option>
 										</select>
 									</li>
+									<li class="select"><label for="check_version"><?php echo __("Check for updates:")?></label>
+										<select name="check_version" id="check_version">
+											<option value="1" <?php if($conf->check_version) echo "selected=\"selected\""; ?>><?php echo __("Active")?></option>
+											<option value="0" <?php if(!$conf->check_version) echo "selected=\"selected\""; ?>><?php echo __("Deactive")?></option>
+										</select>
+									</li>
 								</ul>
 							</fieldset>
 							<p>

classes/configuration.class.php

 	var $offset_time;
 	var $shorten_links;
 	var $rssImportFrec;
+	var $check_version;
 		
 	function configuration() {
 		parent::Conexion_Mysql(DB_name, DB_Server, DB_User, DB_Password);
 			$this->allowComments = $this->get_option("allow_comments");
 			$this->shorten_links = $this->get_option("shorten_links");
 			$this->rssImportFrec = $this->get_option("rss_import_frec");
+			$this->check_version = $this->get_option("check_version");
 			
 		} else {
 			if($isFeed) {

update.php

 		
 $db->ejecutarConsulta($sqlStr);
 
+$sqlStr = "INSERT INTO `".Table_prefix."options` VALUES ('check_version', '1');";
+		
+$db->ejecutarConsulta($sqlStr);
+
 $sqlStr = "CREATE TABLE `".Table_prefix."feeds` (
   `id_feed` int(11) NOT NULL auto_increment,
   `url` varchar(255) NOT NULL,