Added Support to SlideShare presentations

classes/functions.php

 		return $params2[0];
 	}
 	
+	function isSlideSharePresentation($videoUrl) {
+		if (beginsWith($videoUrl, "[slideshare id="))
+			return true;
+		else
+			return false;
+	}
+	
+	function getSlideSharePresentationCode($videoUrl) {
+		$videoUrl = str_replace("[slideshare id=", "", $videoUrl);
+		$videoUrl = str_replace("&doc=", " ", $videoUrl);
+		$videoUrl = str_replace("&w=", " ", $videoUrl);
+		return explode(" ",$videoUrl);
+	}
+	
 	function isVideo($url) {
 		if (isYoutubeVideo($url)) { return true; }
 		elseif (isVimeoVideo($url)) { return true; }
 		elseif (isDailymotionVideo($url)) { return true; }
 		elseif (isYahooVideo($url)) { return true; }
+		elseif (isSlideSharePresentation($url)) { return true; }
 		else { return false; }
 	}
 	

classes/gelato.class.php

 		} elseif (isYahooVideo($url)) {
 			$id_video = getYahooVideoCode($url);
 			return "\t\t\t<object type=\"application/x-shockwave-flash\" style=\"width:500px;height:393px\" data=\"http://d.yimg.com/static.video.yahoo.com/yep/YV_YEP.swf\"><param name=\"quality\" value=\"high\" /><param name=\"FlashVars\" value=\"event_function=YAHOO.yv.Player.SWFInterface&amp;id=".$id_video[1]."&amp;vid=".$id_video[0]."&amp;onsite=1&amp;site=video.yahoo.com&amp;page=792730258&amp;lang=en-US&amp;intl=us\" /></object>\n";
+		} elseif (isSlideSharePresentation($url)) {
+			$id_video = getSlideSharePresentationCode($url);
+			return "\t\t\t<object type=\"application/x-shockwave-flash\" style=\"width:500px;height:393px\" data=\"http://www.slideshare.net/swf/player.swf?presentationId=".$id_video[0]."&amp;doc=".$id_video[1]."&amp;inContest=0&amp;startSlide=1\"><param name=\"quality\" value=\"high\" /></object>\n";
 		} else {
 			return "This URL is not a supported video (YouTube, Vimeo, DailyMotion or Yahoo Video)";
 		}		
 	}
-	
 	function getMp3Player($url) {
 		if (isMP3($url)) {
 			$playerUrl = $this->conf->urlGelato."/admin/scripts/player.swf?soundFile=".$url;