adding Permalink function.

classes/gelato.class.php

 		} else {
 			return "This URL is not an MP3 file.";
 		}		
-	}	
+	}
+
+	function getPermalink($post_id){
+		$strEnd = ($this->conf->urlFriendly) ? "/" : "";
+		$out = $this->conf->urlGelato;
+		$out .= ($this->conf->urlFriendly) ? "/post/" : "/index.php?post=";
+		$out .= $post_id.$strEnd;
+		return $out;
+	}
 } 
 ?>

index.php

                         while($register = mysql_fetch_assoc($rs)) {
 								$formatedDate = gmdate("M d", strtotime($register["date"])+transform_offset($conf->offsetTime));
                                 if ( $dateTmp != null && $formatedDate == $dateTmp ) { $formatedDate = ""; } else { $dateTmp = $formatedDate; }
-								$strEnd=($conf->urlFriendly) ? "/" : "";
-								$permalink = $conf->urlGelato.($conf->urlFriendly?"/post/":"/index.php?post=").$register["id_post"].$strEnd;
+								
+								$permalink = $tumble->getPermalink($register["id_post"]);
 
 								$conversation = $register["description"];
 
                 $register = $tumble->getPost($id_post);
 
 				$formatedDate = gmdate("M d", strtotime($register["date"])+transform_offset($conf->offsetTime));
-				$strEnd=($conf->urlFriendly) ? "/" : "";
-				$permalink = $conf->urlGelato.($conf->urlFriendly?"/post/":"/index.php?post=").$register["id_post"].$strEnd;
+				$permalink = $tumble->getPermalink($register["id_post"]);
 
 				$conversation = $register["description"];