THEMA:

// ENTER URL ENDING
$urlend = ".html";

// FIELD NAMES AND USER ATTRIBUTES
// enter them in form of [attr,fieldname] e.g. [firstname, vorname]
$data = [
["name","Name_Makler_Startseite"],
["firma","Firma_Makler"],
["firma","Firma_Makler_2"],
["name","Name_Makler"],
["name","Name_Makler_2"],
["name","Name_Makler_Sendebestaetigung"],
["email", "Email_Makler"]
];
echo "<!-- FillForm Script -->";

// get current url
$url = JUri::getInstance();

// filter for name in it
$suburl = explode("/",$url);
$temp = end($suburl);
$temp = explode("-",$temp);
$idtag = end($temp);
$id = str_replace($urlend,"",str_replace("id","",$idtag));

// if id isset, execute the following
if(!empty($id)){

	// get user id and email with that name
	$db =& JFactory::getDBO();
	$query = $db->getQuery(true);
	$query->select('name, email');
	$query->from('#__users');
	$query->where('id = '.$id);
	$db->setQuery($query);
	$result= $db->loadObjectList();
	$uid = $id;
	$uemail = $result[0]->email;
	$name = $result[0]->name;

	// get user profile from that id
	$db =& JFactory::getDBO();
	$query = $db->getQuery(true);
	$query->select('*');
	$query->from('#__user_profiles'); 
	$query->where('user_id = '.$uid.'');
	$db->setQuery($query);
	$result= $db->loadObjectList();
	//print_r($result);
	
	echo "<script type='text/javascript'>setTimeout(setValues,500); function setValues(){";
	foreach($data as $touple){
		$value = "";
		if($touple[0] == "name"){
			$value = $name;
		}
		elseif($touple[0] == "email"){
			$value = $uemail;
		}
		else{
			foreach($result as $info){
				if($info->profile_key == "profile.".$touple[0]){
					$value = $info->profile_value;
					break;
				}
			}
		}
		// if value is still not set (because its not found in profile)
		if($value == ""){
			// search for it in the fields
			// get user profile from that id
			$db =& JFactory::getDBO();
			$query = $db->getQuery(true);
			$query->select('id');
			$query->from('#__fields'); 
			$query->where('name = "'.$touple[0].'"');
			$db->setQuery($query);
			$result= $db->loadObjectList();
			// if field is found
			if(!empty($result[0]->id)){
				$fieldID = $result[0]->id;
				$db =& JFactory::getDBO();
				$query = $db->getQuery(true);
				$query->select('value');
				$query->from('#__fields_values'); 
				$query->where('field_id = '.$fieldID.' AND item_id = '.$uid);
				$db->setQuery($query);
				$result= $db->loadObjectList();
				if(!empty($result[0]->value)){
					$value = $result[0]->value;
				}
			}
		}

		// if value has surrounding ", delete
		$value = str_replace('"',"",$value);

		// get the field, set its value
		//if(is_numeric($value)){echo "document.getElementsByName('ff_nm_".$touple[1]."[]')[0].value = ".$value."; ";}
                //else{
		echo "document.getElementsByName('ff_nm_".$touple[1]."[]')[0].value = (document.getElementsByName('ff_nm_".$touple[1]."[]')[0].value.toString() + '".$value." ' );";
		//}
	}
	echo "}</script>";

}