<?


//------------------------------------------------------------
function isEmpty($my_value)
//------------------------------------------------------------
{
	if ( $my_value === null || $my_value === "" )
    {
            return true;
	}
	
	return false;
}


//------------------------------------------------------------	
function loadCurrentLanguage()
//------------------------------------------------------------	
{		
        if (isset($_SESSION["CurrentLanguage"]))
        {
                $currentLanguage = $_SESSION["CurrentLanguage"];
        }
        else
        {
                $currentLanguage = LANGUAGE_FALLBACK;
        }

        return $currentLanguage;
}

//------------------------------------------------------------	
function saveCurrentLanguage( $langtosave )
//------------------------------------------------------------	
{
        $_SESSION["CurrentLanguage"] = $langtosave;
}

//------------------------------------------------------------
function getCurrentLanguage( $paramLang )
//------------------------------------------------------------
{
    global $db;

    $currentLanguage = loadCurrentLanguage();
	if( $paramLang != "" )
	{
        $sqlStr = "SELECT id FROM languages WHERE show_translation = 1 AND iso_code = \"".$paramLang."\"";
        $retcode = $db->select($sqlStr);
        if( $retcode > 0 )
        {
            $currentLanguage = $paramLang;
            saveCurrentLanguage($paramLang);
        }
	}

    return $currentLanguage;
}

//------------------------------------------------------------	
function loadUserdataFromSession()
//------------------------------------------------------------	
{
        global $currentuserdata;

        if (isset($_SESSION["CUD_login"])) {
                $currentuserdata["login"] = $_SESSION["CUD_login"];
        } else {
                $currentuserdata["login"] = null;
        }

        if (isset($_SESSION["CUD_username"]))	{
                $currentuserdata["username"] = $_SESSION["CUD_username"];
        } else {
                $currentuserdata["username"] = null;
        }

        if (isset($_SESSION["CUD_fullname"]))	{
                $currentuserdata["fullname"] = $_SESSION["CUD_fullname"];
        } else {
                $currentuserdata["fullname"] = null;
        }

        if (isset($_SESSION["CUD_id"]))
        {
                $currentuserdata["id"] = $_SESSION["CUD_id"];
        }
        else
        {
                $currentuserdata["id"] = null;
        }

        if (isset($_SESSION["CUD_right_group_id"]))
        {
                $currentuserdata["right_group_id"] = $_SESSION["CUD_right_group_id"];
        }
        else
        {
                $currentuserdata["right_group_id"] = PUBLIC_RIGHT_ID;
        }

        if (isset($_SESSION["CUD_disclaimer_accepted"]))
        {
                $currentuserdata["disclaimer_accepted"] = $_SESSION["CUD_disclaimer_accepted"];
        }
        else
        {
                $currentuserdata["disclaimer_accepted"] = PUBLIC_RIGHT_ID;
        }

        if (isset($_SESSION["CUD_partner_id"]))
        {
                $currentuserdata["partner_id"] = $_SESSION["CUD_partner_id"];
        }
        else
        {
                $currentuserdata["partner_id"] = PUBLIC_RIGHT_ID;
        }
        // CG TEST
        //$currentuserdata["id"] = 1;

}

//------------------------------------------------------------	
function saveUserdataToSession()
//------------------------------------------------------------	
{
        global $currentuserdata;

        $_SESSION["CUD_login"]      = $currentuserdata["login"];
        $_SESSION["CUD_username"]   = $currentuserdata["username"];
        $_SESSION["CUD_fullname"]   = $currentuserdata["fullname"];
        $_SESSION["CUD_id"]         = $currentuserdata["id"];
        $_SESSION["CUD_right_group_id"]   = $currentuserdata["right_group_id"];
        $_SESSION["CUD_partner_id"]   = $currentuserdata["partner_id"];
        $_SESSION["CUD_disclaimer_accepted"]   = $currentuserdata["disclaimer_accepted"];
}

//------------------------------------------------------------	
function getParamValue( $paramname )
//------------------------------------------------------------	
{
  $dummy = "";
  if (isset($_POST[$paramname]))
  {
$dummy = $_POST[$paramname];	
}

  if (isset($_GET[$paramname]))
  {
        $dummy = $_GET[$paramname];
  }

  return $dummy;
}	

//------------------------------------------------------------	
function uniqueId()
//------------------------------------------------------------	
{
        $lastuniqueid = 0;
        if (isset($_SESSION["lastuniqueid"]))
                $lastuniqueid = $_SESSION["lastuniqueid"];

        if( $lastuniqueid >= 10000 )
                $lastuniqueid = 0;
        else
                $lastuniqueid++;

        $_SESSION["lastuniqueid"] = $lastuniqueid;

        $uid = date("YmdhisU") . $lastuniqueid;
        return $uid;
}

//------------------------------------------------------------	
function printMessage( $action , $successfull )
//------------------------------------------------------------	
{
        if( $successfull <= 0)
        {
                echo "<br><center><b><div style=\"color:red;font-style:bolder;\">The action \"" . $action . "\" Failed.</div></b></center><br>";
        }
        else
        {
                echo "<br><center><b><div style=\"color:#009900;font-style:bolder;\">The action \"" . $action . "\" was Successfull.</div></b></center><br>";
        }
}	

//------------------------------------------------------------	
function printError( $errortext )
//------------------------------------------------------------	
{
        echo "<br><center><b><div style=\"color:red;font-style:bolder;\">" . $errortext . "</div></b></center><br>";
}	

//------------------------------------------------------------	
function printWarning( $errortext )
//------------------------------------------------------------	
{
        echo "<br><center><b><div style=\"color:orange;font-style:bolder;\">" . $errortext . "</div></b></center><br>";
}	


//------------------------------------------------------------	
function dprint( $prefix, $values, $dieornot = false )
//------------------------------------------------------------	
{
        echo "<br>";
        echo "<b>";
        if( $prefix != "" )
                echo $prefix . ":";

        echo $values;
        echo "</b>";
        echo "<br>";

        if( $dieornot === true )
                die();
}

//------------------------------------------------------------	
function createRandomPassword()
//------------------------------------------------------------	
{
    $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz0123456789";
    srand((double)microtime()*1000000);
    $i = 0;
    $pass = '' ;

    while ($i <= 7) {
        $num = rand() % 33;
        $tmp = substr($chars, $num, 1);
        $pass = $pass . $tmp;
        $i++;
    }

    return $pass;
}

//------------------------------------------------------------	
function isValidEmail($email)
//------------------------------------------------------------	
{
        $retval = false;

        if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$", $email)) {
                $retval = true;
        }

        return $retval;
}

//------------------------------------------------------------	
function isValidUsername($username)
//------------------------------------------------------------	
{
        $retval = false;

        if (eregi("^[_.@a-zA-Z0-9]+$", $username)) {
                $retval = true;
        }

        return $retval;
}	


//------------------------------------------------------------	
function getButtonHTML( $text, $link, $target = null, $onclick = null)
//------------------------------------------------------------	
{
        $clickstring = "";
        $targetstring = "";
        $line = "";
        if( $target != null )
                $targetstring = " target=\"" . $target . "\" ";

        if( $onclick != null )
                $clickstring = " onclick=\"" . $onclick . "\" ";

        $line .= "<div id=\"sp-button\">";
        $line .= "<div id=\"sp-button-left\"></div>";
        $line .= "<div id=\"sp-button-middle\">";
        $line .= "<a href=\"" . $link . "\"" . $clickstring . $targetstring .">";
        $line .= $text;
        $line .= "</a>";
        $line .= "</div>";
        $line .= "<div id=\"sp-button-right\"></div>";
        $line .= "</div>";

        return $line;
}

//------------------------------------------------------------		
function getBacklink( $pagename )
//------------------------------------------------------------	
{
        $backlink = "index.php?page=" . $pagename;

        $page = getParamValue("p");
        if( $page != "" )
                $backlink .= "&p=" . $page;

        return $backlink;
}

//------------------------------------------------------------	
function getFooterHTML( )
//------------------------------------------------------------	
{
    return;
        global $db,$currentuserdata;
        $line = "";

        $sqlStr = "SELECT name,page,syspage FROM sys_navi WHERE active = 1 AND topbottom = 1 ORDER BY position ASC";
        $retcode = $db->select($sqlStr);
        //dprint("sql",$sqlStr,false);

        if( $retcode > 0 )
        {
                for( $i = 0 ; $i < count($db->result);$i++)
                {
                        if( $i > 0 )
                                $line .= " | ";

                if( $db->result[$i]["syspage"] == "1" )
                        $line .= "<a href=\"index.php?page=" . $db->result[$i]["page"] . "\">";
                else
                        $line .= "<a href=\"index.php?page=view&id=" . $db->result[$i]["page"] . "\">";

                        //$line .= "<a href=\"index.php?page=" . $db->result[$i]["page"] . "\">";
                        $line .= $db->result[$i]["name"];
                        $line .= "</a>";
                }
        }

        return $line;
}

//------------------------------------------------------------	
function htmlEncode($str)
//------------------------------------------------------------
{
        $str = str_replace("\n","<br />",$str);
        $str = str_replace("\r","",$str);

return $str;
}	

//------------------------------------------------------------
function htmlDecode($str)
//------------------------------------------------------------
{
        $str = str_replace("<br />","\n",$str);
        $str = str_replace("<br>","\n",$str);
        return $str;
}

//------------------------------------------------------------
function getLanguages( )
//------------------------------------------------------------
{
    global $db;
    
    $sqlStr="SELECT l.iso_code,l.english_name FROM languages l WHERE is_translatable=1 ORDER BY english_name ASC";
    $retcode = $db->select($sqlStr);
    if( $retcode > 0 )
    {
        $res_languages = $db->getResult();
    } 
    else
    {
        $res_languages = array();
    }

    return $res_languages;
}

//------------------------------------------------------------
function getCategories( )
//------------------------------------------------------------
{
    global $db;
    
    $sqlStr="SELECT c.id,c.category,c.description FROM categories c ORDER BY id ASC";
    $retcode = $db->select($sqlStr);
    if( $retcode > 0 )
    {
        $res_cat = $db->getResult();
    } 
    else
    {
        $res_cat = array();
    }

    return $res_cat;
}

//------------------------------------------------------------
function getSiteLanguageSelectBox($htmlName, $selectedValue = null, $htmlStyle = null, $onchange = null, $htmlId = null)
//------------------------------------------------------------
{
    global $db;

    $strSQL = "SELECT iso_code, english_name AS name "
            . "FROM languages "
            . "WHERE `show_translation` = 1 "
            . "ORDER BY `name` ASC;";
    $retcode = $db->select($strSQL);
    if ($retcode > 0) {
        $selectbox = new Selectbox($db->getResult(), "iso_code", "name");
        $selectbox->selectedValue = $selectedValue;
        $selectbox->htmlName = $htmlName;
        $selectbox->htmlId = $htmlId;
        $selectbox->htmlStyle = $htmlStyle;
        $selectbox->onChange = $onchange;
        return $selectbox->getHtmlCode();
    }
    return false;
}

//------------------------------------------------------------
function createThumbnail($imagePath, $thumbnailPath, $max_width = 100, $max_height = 100)
//------------------------------------------------------------
{
    $info = pathinfo($imagePath);
    $img = null;
    if ( strtolower($info['extension']) == 'jpg' )
    {
        $img = imagecreatefromjpeg( $imagePath );
    }  

    if ( strtolower($info['extension']) == 'png' )
    {
    	$img = imagecreatefrompng($imagePath);
    }

    if ( strtolower($info['extension']) == 'gif' )
    {
    	$img = imagecreatefromgif($imagePath);
    }

    if ($img != null)
    {
        $width = imagesx( $img );
        $height = imagesy( $img );

        $ratio_orig = $width/$height;
        if ($max_width/$max_height > $ratio_orig)
        {
            $max_width = $max_height*$ratio_orig;
        }
        else
        {
            $max_height = $max_width/$ratio_orig;
        }

        // create a new temporary image
        $tmp_img = imagecreatetruecolor( $max_width, $max_height );

        // copy and resize old image into new image
        imagecopyresized( $tmp_img, $img, 0, 0, 0, 0, $max_width, $max_height, $width, $height );

        // save thumbnail into a file
        imagejpeg( $tmp_img, $thumbnailPath );

        return true;
    }
    return false;
}

?>