diff --git a/inc/lib_base.php b/inc/lib_base.php
index 521694bf53..49dfaf811c 100644
--- a/inc/lib_base.php
+++ b/inc/lib_base.php
@@ -40,6 +40,7 @@ $SUBURI=substr(realpath($_SERVER["SCRIPT_FILENAME"]),strlen($SERVERROOT));
 $WEBROOT=substr($_SERVER["SCRIPT_NAME"],0,strlen($_SERVER["SCRIPT_NAME"])-strlen($SUBURI));
 
 
+
 if($WEBROOT!='' and $WEBROOT[0]!=='/'){
 	$WEBROOT='/'.$WEBROOT;
 }
@@ -128,6 +129,14 @@ $loginresult=OC_USER::loginlisener();
 class OC_UTIL {
   public static $scripts=array();
   
+  /**
+  * get the current installed version of ownCloud
+  * @return array
+  */
+	public static function getVersion(){
+		return array(1,0,60);
+	}
+  
   /**
    * add a javascript file
    *
diff --git a/inc/lib_plugin.php b/inc/lib_plugin.php
index 178179a05e..6c63139b74 100644
--- a/inc/lib_plugin.php
+++ b/inc/lib_plugin.php
@@ -34,9 +34,30 @@ class OC_PLUGIN{
 		if(is_dir($SERVERROOT.'/plugins/'.$id) and is_file($SERVERROOT.'/plugins/'.$id.'/plugin.xml')){
 			$plugin=new DOMDocument();
 			$plugin->load($SERVERROOT.'/plugins/'.$id.'/plugin.xml');
+			if($plugin->documentElement->getAttribute('version')!=='1.0'){ //we only support this for now
+				return false;
+			}
+			$minVersion=$plugin->getElementsByTagName('require');
+			if($minVersion->length>0){
+				$minVersion=$minVersion->item(0)->textContent;
+				$minVersion=explode('.',$minVersion);
+				$version=OC_UTIL::getVersion();
+				$roundTo=count($minVersion);
+				while(count($version)>$roundTo){
+					if($version[count($version)-1]>=50){
+						$version[count($version)-2]++;
+					}
+					unset($version[count($version)-1]);
+				}
+				for($i=0;$i<count($minVersion);$i++){
+					if($version[$i]<$minVersion[$i]){
+						return false;
+					}
+				}
+			}
 			$pluginId=$plugin->getElementsByTagName('id')->item(0)->textContent;
 			if($pluginId==$id){//sanity check for plugins installed in the wrong folder
-				$childs=$plugin->documentElement->childNodes;
+				$childs=$plugin->getElementsByTagName('runtime')->item(0)->childNodes;
 				foreach($childs as $child){
 					if($child->nodeType==XML_ELEMENT_NODE and $child->tagName=='include'){
 						$file=$SERVERROOT.'/plugins/'.$id.'/'.$child->textContent;
diff --git a/inc/templates/footer.php b/inc/templates/footer.php
index 47bebd27e0..b82e87777a 100644
--- a/inc/templates/footer.php
+++ b/inc/templates/footer.php
@@ -12,10 +12,10 @@ Hint: Mount it via webdav like this: <a href="webdav://<?php echo($_SERVER["HTTP
 <?php }?>
 <p class="footer">
 <?php
-  echo('<a href="http://ownCloud.org">ownCloud</a> - 1.0 RC 1');
+	$version=implode('.',OC_UTIL::getVersion());
+  echo('<a href="http://ownCloud.org">ownCloud</a> - '.$version);
 ?>
 </p>
 </div>
 </div>
-<!--<p id="debug">debug</p>-->
 </body></html>
diff --git a/plugins/ldap/plugin.xml b/plugins/ldap/plugin.xml
index c58ac4dd3d..2127d13e08 100644
--- a/plugins/ldap/plugin.xml
+++ b/plugins/ldap/plugin.xml
@@ -1,11 +1,14 @@
 <?xml version="1.0"?> 
-<plugin>
-	<meta>
+<plugin version='1.0'>
+	<info>
 		<id>ldap</id>
 		<name>LDAP support for ownCloud</name>
 		<version>0.1</version>
 		<licence>AGPL</licence>
 		<author>fabian</author>
-	</meta>
-	<include>lib_ldap.php</include>
+		<require>1.1</require>
+	</info>
+	<runtime>
+		<include>lib_ldap.php</include>
+	</runtime>
 </plugin>
\ No newline at end of file
diff --git a/plugins/music/plugin.xml b/plugins/music/plugin.xml
index 5377e439ae..bac4f5e8e2 100644
--- a/plugins/music/plugin.xml
+++ b/plugins/music/plugin.xml
@@ -1,11 +1,14 @@
 <?xml version="1.0"?> 
-<plugin>
+<plugin version='1.0'>
 	<meta>
 		<id>music</id>
 		<name>Music player for ownCloud</name>
 		<version>0.1</version>
 		<licence>AGPL</licence>
 		<author>2010 Frank Karlitschek karlitschek@kde.org</author>
+		<require>1.1</require>
 	</meta>
-	<include>lib_music.php</include>
+	<runtime>
+		<include>lib_music.php</include>
+	</runtime>
 </plugin> 
diff --git a/plugins/test/plugin.xml b/plugins/test/plugin.xml
index 5f510f2c38..b666b5bc53 100644
--- a/plugins/test/plugin.xml
+++ b/plugins/test/plugin.xml
@@ -1,12 +1,15 @@
 <?xml version="1.0"?> 
-<plugin>
+<plugin version='1.0'>
 	<meta>
 		<id>test</id>
 		<name>Test plugin</name>
 		<version>0.1</version>
 		<licence>AGPL</licence>
 		<author>2010 Frank Karlitschek karlitschek@kde.org</author>
+		<require>1.1</require>
 	</meta>
-	<include>lib_test.php</include>
+	<runtime>
+		<include>lib_test.php</include>
+	</runtime>
 </plugin>