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Maverickb7

By Maverickb7
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Maverickb7 Member

Maverickb7

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Posted

Alright. I'm trying to create a file that will display a image galley. The file would scan a specified folder for images and would then create a thumbnail of each image with a link to the full sized image. I've been able to scan a directory, create a thumbnail, and display the images but I've hit a wall. What I want to do now is have x number of images to be displayed on each page. So in other words it would show 15 images on one page and would have a 1, 2, 3, 4, 5, 6, 7, 8, ect... if more images exsist. Also, I want to know how I would go about doing this without reloading the page.. this is not an importent feature but it looked nice on other sites. Does anyone know any tutorials or something that would help me out?

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chronister Regular Member

chronister

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Posted

I know it is not exactly what your looking for, but here is a script that does pretty much what you want it to do. Maybe you can modify it to do exactly what you want. Hope it helps some

<?php
/* 
* uAlbum by Pavel Mica - Crempa (http://ualbum.crempa.net)
* v1.41
* simple one script online gallery (PHP CSS XHTML JS included) 
*
*/

// SETTINGS AREA ------------------------------------------------------------------------------------------------------

// layout
define("THUMBNAIL_DIRECTORY","thumbs");                               // name of thumbnail directory
define("GALLERY_TITLE","uAlbum gallery");                             // uAlbum title (right top corner position)
define("TITLE","");                                                   // actual gallery title
define("LOADING_TEXT","Loading...");                                  // loading text (showed during image loading)
define("SUBDIRECTORY_THUMBNAIL_DESCRIPTION_FILE","images");           // number of images title
define("SUBDIRECTORY_THUMBNAIL_DESCRIPTION_DATE","date");             // date of directory title
define("SUBDIRECTORY_THUMBNAIL_DESCRIPTION_DATE_FORMAT","d.m.Y");     // date format (PHP) of directory date
define("SLIDESHOW_START_TEXT","start slideshow");
define("SLIDESHOW_STOP_TEXT","stop slideshow");
define("FULLSCREEN_START_TEXT","fullscreen mode");
define("FULLSCREEN_STOP_TEXT","normal mode");
define("NEXT_IMAGE_TEXT","nexT>");
define("PREVIOUS_IMAGE_TEXT","<Prev");
define("GO_BACK_TEXT","<<..");
define("LAST_IMAGE_TEXT","That's all");
define("ORIGINAL_SIZE_SCREEN_TEXT","Original size");
define("ORIGINAL_SIZE_ALERT_TEXT","Image has original size now");


// other setting
define("NUMBER_OF_COLUMNS",3);                                        // number of columns in "root directory" mode (layout is prepared for 3 columns)
define("SLIDESHOW_INTERVAL",5000);                                    // slideshow interval (ms)
define("THUMBNAIL_DIRECTORY_CHMOD",0777);                             // CHMOD used for thumbnail directory
define("RESIZE_ORIGINAL_IMAGES",false);                               // sets original images (images placed in same folder like script) resizing
                                                                      // images are resized (overwrited) to size setted below
                                                                      // use this function if size of images uploaded to the server is too big 

// gallery names replacement
// you can set galery name replacing, original directory name is showed changed
// example... directory name: "[s]koln[i]_v[y]let" ...is showed like... gallery name: "školní výlet" ...with default setting 
$replacement_original = array("_","[e]","[s]","[c]","[r]","[z]","[y]","[a]","[i]","[e]","[u]","[1u]","[o]");
$replacement_new  =     array(" ","ě","š","č","ř","ž","ý","á","í","é","ú","ů","ó");

// file sorting
define("SORT_BY_DATE",false);                                          // enables date/time sorting (default sorting is by name)
define("OLDER_FIRST",false);                                           // older files are showed first (works with names too)

// error messages
define("DIRECTORY_PERMISSION_PROBLEM_TEXT",
       "<strong>uAlbum could not create thumbnail directory</strong>
       <br />Set permissons using CHMOD(777) or contact your server admin");
define("FILE_PERMISSION_PROBLEM_TEXT",
       "<strong>uAlbum could not write thumbnails</strong>
       <br />Set permissons using CHMOD(777) or contact your server admin");
define("GDLIB_PNG_PROBLEM_TEXT",
       "<strong>Warning:</strong> You have not installed GD library or PNG file type is not supported");       
define("GDLIB_GIF_PROBLEM_TEXT",
       "<strong>Warning:</strong> You have not installed GD library or GIF file type is not supported");       
define("GDLIB_JPEG_PROBLEM_TEXT",
       "<strong>Warning:</strong> You have not installed GD library or JPEG file type is not supported");

// image sizes (experimental, do not change)
define("LANDSCAPE_X",600);
define("LANDSCAPE_Y",450);
define("VERTICAL_X",337);
define("VERTICAL_Y",450);

// SCRIPT AREA ------------------------------------------------------------------------------------------------------

header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');

// --- FUNCTIONS ---
function resizeImage($source,$destination,$x_size,$y_size)
{
  $thumbnail=imagecreatetruecolor($x_size,$y_size); //thumbnail creating
  
  $path_parts = pathinfo($source); // file recognize process
  $extension=$path_parts["extension"];
  $extension = strtolower($extension);

  switch ($extension) 
  {
    case "png":
      if (!function_exists("ImageCreateFromPNG") or !function_exists("ImagePNG")) die (GDLIB_PNG_PROBLEM_TEXT);
      $img=ImageCreateFromPNG($source);
      imageCopyResampled($thumbnail,$img,0,0,0,0,$x_size,$y_size,ImageSX($img),ImageSY($img));
      if (!@ImagePNG($thumbnail,$destination)) die(FILE_PERMISSION_PROBLEM_TEXT);
      break;
    case "gif":
      if (!function_exists("ImageCreateFromGIF") or !function_exists("ImageGIF")) die (GDLIB_GIF_PROBLEM_TEXT);
      $img=ImageCreateFromGIF($source);
      imageCopyResampled($thumbnail,$img,0,0,0,0,$x_size,$y_size,ImageSX($img),ImageSY($img));
      if (!@ImageGIF($thumbnail,$destination)) die(FILE_PERMISSION_PROBLEM_TEXT);;
      break;
    default:
      if (!function_exists("ImageCreateFromJPEG") or !function_exists("ImageJPEG")) die (GDLIB_JPEG_PROBLEM_TEXT);
      $img=ImageCreateFromJPEG($source);
      imageCopyResampled($thumbnail,$img,0,0,0,0,$x_size,$y_size,ImageSX($img),ImageSY($img));
      if (!@ImageJPEG($thumbnail,$destination)) die(FILE_PERMISSION_PROBLEM_TEXT);;    
      break;
  }
}

function dateSortDesc($a, $b)
{
  return (@filemtime($b) - @filemtime($a)); 
}

function dateSortAsc($a, $b)
{
  return (@filemtime($a) - @filemtime($b)); 
}

function readDirectory($dir)
{
  $dir = OpenDir($dir); // open script (.) directory
  $directories = Array(); // initializing directories array
  $files = Array(); // initializing files array
  while ($file = ReadDir($dir)) // loading all files in the script directory
  {
    if (!Is_Dir($file)) // testing if file(founded object) is directory
    {
      $path_parts = pathinfo($file); // file recognize process
      $extension=$path_parts["extension"];
      $extension = strtolower($extension);
      if ($extension=="jpg" or $extension=="jpeg" or $extension=="png" or $extension=="gif")
      {
        $files[] = $file; // add file into array
      }      
    }
    elseif($file!="." and $file!=".." and $file!=THUMBNAIL_DIRECTORY)
    { // object is directory and we dont want show thumbnail, . or .. directories
      $directories[] = $file; // add directory into array
    }  
  }
  CloseDir($dir); // closing directory
  $output['directories'] = $directories;
  $output['files'] = $files;
  return $output;
}

// --- SCRIPT ---

  $directory_info = readDirectory('.');
  $directories = $directory_info['directories'];
  $files = $directory_info['files'];
  
  // creating thumbnail directory  
  if (!@OpenDir(THUMBNAIL_DIRECTORY)){
    if (!@mkdir(THUMBNAIL_DIRECTORY,THUMBNAIL_DIRECTORY_CHMOD)) die (DIRECTORY_PERMISSION_PROBLEM_TEXT);                                       
  }
  
  // sorting
  if (SORT_BY_DATE==true)
  {
    if (OLDER_FIRST==true)
    {
      usort($files, "dateSortAsc");
      usort($directories, "dateSortAsc");
    } 
    else
    { 
      usort($files, "dateSortDesc");
      usort($directories, "dateSortDesc");
    }
  }
  else
  {
    natsort($files);        
    sort($directories);
  }
  reset($files);
  reset($directories);

// --- FILE OPERATIONS ---

  $file_list="";      // string varibale contains filenames
  $thumbnail_list=""; // string variable contains  <a><img></a> construction of thumbnails list (left panel)
  $file_list_size=""; // string variable contains image orientation
  $i=0;
  
  //file array iterateing and generating thumbnails (if doesnt exist) and JS arrays
  foreach ($files as $file)
  {
    if (!file_exists(THUMBNAIL_DIRECTORY."/".$file)) resizeImage($file,THUMBNAIL_DIRECTORY."/".$file,90,90);
    if ($i!=0 && $i%2==0) $thumbnail_list.="<span class=\"thumb_space\"></span>"; // generating IE space after every two thumbnails
    $thumbnail_list.="<a href=\"#\" class=\"thumb_link\" onclick=\"return setImage(".$i++.");\" onfocus=\"this.blur()\" ><img class=\"thumb_img\" src=\"".THUMBNAIL_DIRECTORY."/".$file."\" alt=\"".$file."\" title=\"".$file."\" height=\"90\" width=\"90\" /></a>\n";
    $resolution=GetImageSize($file); // image resolution detection
    
    if (($resolution[0]>$resolution[1]) and ($resolution[0]!=LANDSCAPE_X or $resolution[1]!=LANDSCAPE_Y) and RESIZE_ORIGINAL_IMAGES==true)
    {
      resizeImage($file,$file,LANDSCAPE_X,LANDSCAPE_Y);
    }
    elseif (($resolution[0]<=$resolution[1]) and ($resolution[0]!=VERTICAL_X or $resolution[1]!=VERTICAL_Y) and RESIZE_ORIGINAL_IMAGES==true)
    {
      resizeImage($file,$file,VERTICAL_X,VERTICAL_Y);
    }
    $file_list.="'".$file."',";  // generating array of filenames
  }
  //last dash removing
  $file_list=substr($file_list, 0, -1); 
  $file_list_size=substr($file_list_size, 0, -1); 
  
// --- DIRECTORY OPERATIONS ---

  $directory_list = Array();
  foreach ($directories as $directory)
  { 
    $subdirectory_info = readDirectory($directory);
    $subdirectory_files_count = count($subdirectory_info['files']); //number of image files in subdirectory
    $subdirectory_name = str_replace($replacement_original, $replacement_new, $directory);
    $subdirectory_date = date(SUBDIRECTORY_THUMBNAIL_DESCRIPTION_DATE_FORMAT,@filemtime($directory));
    
    if ($subdirectory_files_count!=0) // some image files was founded in subdirectory
    {
      // sorting files in subdirectory
      if (SORT_BY_DATE==true)
      {
        if (OLDER_FIRST==true)
        {
          usort($subdirectory_info['files'], "dateSortAsc");
        } 
        else
        { 
          usort($subdirectory_info['files'], "dateSortDesc");
        }
      }
      else
      {    
        natsort($subdirectory_info['files']);
      }
            
      $path_parts = pathinfo($subdirectory_info['files'][0]); // file recognize process
      $extension=strtolower($path_parts["extension"]);
      // generating subdirectory thumbnail
      if (!file_exists(THUMBNAIL_DIRECTORY."/".$directory.".".$extension)) resizeImage($directory."/".$subdirectory_info['files'][0],THUMBNAIL_DIRECTORY."/".$directory.".".$extension,90,90);
      $directory_list[]= "<div class=\"thumb_folder\">
                            <a href=\"$directory/\" onfocus=\"this.blur()\">
                              <img src=\"".THUMBNAIL_DIRECTORY."/".$directory.".".$extension."\" alt=\"".$directory.".".$extension."\" title=\"".$subdirectory_name."\" height=\"90\" width=\"90\" />
                            </a> 
                            <span class=\"thumb_folder_title\">
                             ".$subdirectory_name."
                            </span>
                            <span class=\"thumb_folder_description\">
                               ".SUBDIRECTORY_THUMBNAIL_DESCRIPTION_FILE.": ".$subdirectory_files_count."<br />
                               ".SUBDIRECTORY_THUMBNAIL_DESCRIPTION_DATE.": ".$subdirectory_date."
                            </span>
                          </div>";
    }
    else
    {
      $directory_list[]="<a href=\"".$directory."/\" class=\"folder\">
                          <span class=\"title\">".$subdirectory_name."</span>
                         </a>
                         "; 
    }
  }
  
  // actual directory name detecting and setting gallery name
  $script_name = pathinfo($_SERVER["PHP_SELF"]); 
  $pcs = explode("/", $script_name['dirname']);
  $dir_title = str_replace($replacement_original, $replacement_new, $pcs[count($pcs)-1]);
  $title = TITLE=="" ? ($dir_title =="" ? "Root directory" : $dir_title) : TITLE;

  // image absolute path detection 
  $script_name_img = pathinfo("http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']); 
  $imgPath = $script_name_img['dirname'];
  
  echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
?>
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xml:lang="en" lang="en" xmlns="http://www.w3.org/1999/xhtml">
  <head>
  <meta name="description" content="uAlbum - simple one file PHP web gallery by Crempa" />
  <meta name="robots" content="index,follow" />
  <meta name="author" content="Pavel Mica - Crempa" />
  <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
  <meta name="generator" content="PSPad editor, www.pspad.com" />
  <meta name="googlebot" content="snippet,archive" />
  <title>uAlbum</title>
  <!-- gallery css style section-->
  <style type="text/css">
    body{font:0.84em arial, helvetica, sans-serif;margin:0;padding:0;}
    #main{height:100%;min-height:550px;min-width:900px;position:absolute;width:100%;}
    #content{height:540px;left:50%;position:absolute;top:50%;width:900px;margin:-295px 0 0 -450px;padding:0;}
    #content_matroska{border:1px solid #9b9b9b;padding:0;}
    #supplemental{height:550px;visibility:hidden;width:900px;}
    .thumbs{border-right:1px solid #9b9b9b;float:left;height:515px;margin-right:20px;overflow:auto;padding-left:5px;padding-right:0;padding-top:10px;position:relative;width:235px;}
    #canvas{clear:right;height:509px;overflow:auto;margin:0;padding:20px 0 0;}
    h2{float:left;font-size:1em;font-weight:700;width:700px;margin:0;padding:5px 0 5px 8px;}
    h1{background:#9b9b9b;color:#FFF;font-size:1em;font-weight:700;text-align:right;margin:0;padding:5px 5px 5px 0;}
    #title_footer{clear:both;margin:0;padding:0;}
    #canvas a{border:0;color:#9b9b9b;text-decoration:none;margin:0;padding:0;}
    #img_canvas{border:0;min-height:465px;width:1px;z-index:0;margin:0;padding:0;}
    #canvas img{border:1px solid #9b9b9b;margin:0;padding:5px;}
    .thumb_img{border:1px solid #9b9b9b;margin:1px;padding:2px;}
    #menu{font-weight:700;position:relative;top:-5px;color:#9b9b9b;}
    #menu_left{display:inline;}
    #signature a{color:#9b9b9b;text-decoration:none;}
    #signature a:hover{color:#4f4f4f;}
    .thumb_space{display:block;line-height:2px;width:200px;}
    .thumbs .folder{border:1px solid #9b9b9b;color:#000;display:block;height:2em;left:-4px;line-height:2em;position:relative;text-decoration:none;width:196px;}
    .thumbs a{border:0;padding:0;}
    .folder .title{background:#FFF;border-left:1px solid #9b9b9b;display:block;font-size:85%;margin:0 0 0 5px;padding:0 0 0 5px;}
    .thumbs .folder:link,.thumbs .folder:visited,.thumbs .folder:active{margin:5px;padding:0;}
    .thumbs .folder:hover{background:#9b9b9b;}
    #no_file_content{border-left:1px solid #9b9b9b;height:520px;}
    h2 .path{font-size:70%;}
    #loader{background:#FFF;border:1px solid #9b9b9b;left:13px;position:relative;top:-450px;width:65px;z-index:1;padding:5px;}
    #signature{color:#9b9b9b;font-size:80%;text-align:center;margin:0;padding:0;}
    #canvas #slideshow a:link,#canvas #slideshow a:visited,#canvas #slideshow a:active,#canvas #menu_left a:link,#canvas #menu_left a:visited,#canvas #menu_left a:active,#canvas #menu_right a:link,#canvas #menu_right a:visited,#canvas #menu_right a:active{padding:2px;}
    #fullscreen_menu a:hover,#canvas #slideshow a:hover,#canvas #menu_left a:hover,#canvas #menu_right a:hover{color:#000;padding:2px;}
    #menu_right,#slideshow{display:inline;padding-left:153px;}
    .thumb_folder{width:196px;border:1px solid #9b9b9b;left:1px;position:relative;line-height:12px;margin-bottom:4px;min-height:90px;background:#ececec;padding:2px 0;}
    .thumb_folder a{border:0;text-decoration:none;font-size:85%;color:#000;margin:0;padding:0;}
    .thumbs .thumb_folder a img{text-decoration:none;}
    .thumb_folder img{float:left;border:0;margin:0 2px;}
    .thumb_folder_description{text-align:left;font-size:85%;}
    .thumb_folder_title{text-align:center;display:block;border-bottom:1px solid #9b9b9b;font-size:0.9em;margin:0 0 5px 94px;padding:2px 0;}
    #fullscreen_canvas_img{display:none;position:absolute;top:10px;left:10px;}
    #fullscreen_menu{position:absolute;display:none;color:#9b9b9b;cursor:move;top:20px;left:100px;background:#ececec;border:1px solid #9b9b9b;z-index:10;opacity:0.8;padding:5px;}
    #fullscreen_menu span{margin-left:50px;}
    #fullscreen_menu a{border:0;color:#9b9b9b;text-decoration:none;font-weight:700;margin:0;padding:2px;}
    #fullscreen_loader{background:#ececec;border:1px solid #9b9b9b;display:none;position:absolute;top:20px;left:20px;z-index:5;opacity:0.8;padding:5px;}
  </style>
<!--[if IE]> 
  <style type="text/css">
    .thumb_folder{width:198px;margin-bottom:6px;height:96px;}
    #img_canvas{border:1px solid #9b9b9b;padding:5px 5px 2px;}
    .thumbs .thumb_link{border:1px solid #9b9b9b;padding:2px;}
    .thumb_img{border:0;}
    .thumbs .folder{width:198px;}
    #canvas img{border:0;padding:0;}
    .thumbs a{padding-top:5px;}
    #canvas{height:530px;}
    .thumbs{height:527px;}
    .thumb_folder img{margin:0 2px;}   
    #fullscreen_menu, #fullscreen_loader {filter:alpha(opacity=80);}
  </style>
  <![endif]-->
  </head>
  <body<?php echo $expresion = count($files)==0 ? "" : " onload=\"setImage(0);\""; ?>>
  <div id="fullscreen_loader"><?php echo LOADING_TEXT; ?></div>
  
  <div id="fullscreen_menu" onmousedown="mouseDown('fullscreen_menu',event); return false;" onmouseup="mouseUp();">
       <a  id="fullscreen_menu_left" href="#" onclick="return PrevImg();" onfocus="this.blur()"><?php echo PREVIOUS_IMAGE_TEXT; ?></a>
       <span></span>
       <a id="slideshow_link_fullscreen" href="#" onclick="return showSlideshow();" onfocus="this.blur()"><?php echo SLIDESHOW_START_TEXT; ?></a>
       ||
       <a id="fullscreen_link_fullscreen" href="#" onclick="return showFullscreen();" onfocus="this.blur()"><?php echo FULLSCREEN_STOP_TEXT; ?></a>
       ||
       <a id="fit_link_fullscreen" href="#" onclick="return originalSize();" onfocus="this.blur()"><?php echo ORIGINAL_SIZE_SCREEN_TEXT; ?></a>
       <span></span>
       <a id="fullscreen_menu_right" href="#" onclick="return NextImg();" onfocus="this.blur()"><?php echo NEXT_IMAGE_TEXT; ?></a>
  </div>
  <div>
  <img  src="" id="fullscreen_canvas_img" alt="" title="" height="450" width="600" /> <!-- fullscreen mode image -->
  </div>
  <div id="main">
  <div id="supplemental"></div>  
    <div id="content">
    <div id="content_matroska">
    <h2><?php echo $title." <span class=\"path\">[".$script_name['dirname']."]</span>"; ?></h2>
    <h1><?php echo GALLERY_TITLE; ?></h1>
    <div id="title_footer"></div>
      <?php
      // if actual directory doesnt contain relevant files we show all directories in extended mode (full window)
      if (count($files)==0)
      {
         for ($i = 0; $i <NUMBER_OF_COLUMNS; $i++)
         {
          echo "<div class=\"thumbs\">";
            $j=$i;
            while ($directory_list[$j])
            {
            	echo $directory_list[$j];
              $j+=NUMBER_OF_COLUMNS;
            }
          echo "</div>"; 
         }
        ?>
           <div id="canvas"> </div>
            </div><!-- content_matroska end -->
              <div id="signature"> <!-- podpis -->
                <a href="http://ualbum.crempa.net">uAlbum</a>1.41
            </div>
            </div><!-- content end -->
          </div><!-- main end -->
         </body>
        </html>      
        <?php
        exit(); // end of script (after generating extended directory index)
      }
        ?>
      <div class="thumbs">
      <a href=".." class="folder"><!-- up directory -->
        <span class="title"><?php echo GO_BACK_TEXT; ?></span>
      </a>
       <?php // directory index generating
          foreach ($directory_list as $dir_list)
          {
            echo $dir_list;
          }
        ?>
        <?php
        // including thumbnails
        echo $thumbnail_list;
        ?>
      </div>
      <div id="canvas"><!-- image showing part -->     
          <div id="img_canvas">
            <a id="canvas_link" href="" onfocus="this.blur()" onclick="return!window.open(this.href);">
              <img  src="" id="canvas_img" alt="" title="" height="450" width="600" /> <!-- showed image -->
            </a>
          </div>
        <div id="loader">
          <?php echo LOADING_TEXT; ?>
        </div> 
          <div id="menu">
              <div id="menu_left" > <!-- button << -->
                 <a href="#" onclick="return PrevImg();" onfocus="this.blur()"><?php echo PREVIOUS_IMAGE_TEXT; ?></a>
              </div>           
              <div id="slideshow">
                 <a id="slideshow_link" href="#" onclick="return showSlideshow();" onfocus="this.blur()"><?php echo SLIDESHOW_START_TEXT; ?></a>
                 ||
                 <a id="fullscreen_link" href="#" onclick="return showFullscreen();" onfocus="this.blur()"><?php echo FULLSCREEN_START_TEXT; ?></a>
              </div>
              <div  id="menu_right"> <!-- button >> -->
                 <a href="#" onclick="return NextImg();" onfocus="this.blur()"><?php echo NEXT_IMAGE_TEXT; ?></a>
              </div>
          </div>
        </div>
      </div><!-- content_matroska end -->
      <div id="signature"> <!-- signature -->
        <a href="http://ualbum.crempa.net">uAlbum</a>1.41
    </div>
    </div><!-- content end -->
  </div><!-- main end -->
  <script type="text/javascript">
  /* <![CDATA[ */
    var obr=document.getElementById('canvas_img');
    var fullscreenObr=document.getElementById("fullscreen_canvas_img");
    var fullscreenMenu=document.getElementById("fullscreen_menu");
    var link=document.getElementById('canvas_link');
    var Images=new Array(<?php echo $file_list;?>);
    var Counter=0;
    var numPhotos=<?php echo count($files);?>;
    var timerId;
    var slideshow=false;
    var slideshowInterval=<?php echo SLIDESHOW_INTERVAL;?>;
    var fullscreenMode=false;
    var movingObject=null;
    var index_id;
    var imgPath="<?php echo $imgPath; ?>";
    var myImg=new Image();
    obr.onload=setImageSize;
    fullscreenObr.onload=setImageSize;
    function NextImg()
    {
    Counter++;
    if(Counter<numPhotos)
    {
    setImage(Counter);
    }
    else
    {
    if(slideshow==true)
    {
    Counter=0;
    setImage(Counter);
    }
    else
    {
    Counter=numPhotos-1;
    window.alert("<?php echo LAST_IMAGE_TEXT; ?>");
    }
    }
    return false;
    }
    function PrevImg()
    {
    Counter--;
    if(Counter>-1)
    {
    setImage(Counter);
    }
    else
    {
    Counter=0;
    window.alert("<?php echo LAST_IMAGE_TEXT; ?>");
    }
    return false;
    }
    function ImageChange()
    {
    document.getElementById("loader").style.visibility="hidden";
    document.getElementById("fullscreen_loader").style.visibility="hidden";
    if(fullscreenMode==false)
    {
    obr.src=myImg.src;
    }
    else
    {
    fullscreenObr.src=myImg.src;
    }
    Counter=index_id;
    link.href=Images[index_id];
    }
    function setImageSize()
    {
    if(fullscreenMode==true)
    {
    fitToScreen();
    }
    else
    {
    if(myImg.height<myImg.width)
    {
    obr.width="<?php echo LANDSCAPE_X; ?>";
    obr.height="<?php echo LANDSCAPE_Y; ?>";
    }
    else
    {
    obr.width="<?php echo VERTICAL_X; ?>";
    obr.height="<?php echo VERTICAL_Y; ?>";
    }
    }
    }
    function setImage(index)
    {
    index_id=index;
    document.getElementById("loader").style.visibility="visible";
    document.getElementById("fullscreen_loader").style.visibility="visible";
    myUrl=imgPath+"/"+Images[index_id];
    myImg.src=myUrl;
    myImg.onload=ImageChange;
    return false;
    }
    function showSlideshow()
    {
    if(slideshow==false)
    {
    timerId=window.setInterval("NextImg()",slideshowInterval);
    document.getElementById("slideshow_link").firstChild.nodeValue="<?php echo SLIDESHOW_STOP_TEXT; ?>";
    document.getElementById("slideshow_link_fullscreen").firstChild.nodeValue="<?php echo SLIDESHOW_STOP_TEXT; ?>";
    document.getElementById("fullscreen_menu_left").style.visibility="hidden";
    document.getElementById("fullscreen_menu_right").style.visibility="hidden";
    document.getElementById("menu_left").style.visibility="hidden";
    document.getElementById("menu_right").style.visibility="hidden";
    slideshow=true;
    }
    else
    {
    window.clearInterval(timerId);
    slideshow=false;
    document.getElementById("slideshow_link").firstChild.nodeValue="<?php echo SLIDESHOW_START_TEXT; ?>";
    document.getElementById("slideshow_link_fullscreen").firstChild.nodeValue="<?php echo SLIDESHOW_START_TEXT; ?>";
    document.getElementById("fullscreen_menu_left").style.visibility="visible";
    document.getElementById("fullscreen_menu_right").style.visibility="visible";
    document.getElementById("menu_left").style.visibility="visible";
    document.getElementById("menu_right").style.visibility="visible";
    }
    }
    function showFullscreen()
    {
    if(fullscreenMode==false)
    {
    document.getElementById("main").style.display="none";
    fullscreenObr.src=myImg.src;
    fullscreenObr.height=myImg.height;
    fullscreenObr.width=myImg.width;
    fullscreenObr.style.display="block";
    fullscreenMenu.style.display="block";
    document.getElementById("fullscreen_loader").style.display="block";
    fullscreenMode=true;
    setImageSize();
    }
    else
    {
    obr.src=myImg.src;
    fullscreenObr.style.display="none";
    fullscreenMenu.style.display="none";
    document.getElementById("fullscreen_loader").style.display="none";
    document.getElementById("main").style.display="block";
    fullscreenMode=false;
    setImageSize();
    }
    }
    function fitToScreen()
    {
    document_width=getDocumentWidth();
    document_height=getDocumentHeight();
    img_width=myImg.width;
    img_height=myImg.height;
    width_difference=document_width-img_width;
    height_difference=document_height-img_height;
    if(width_difference<0)
    {
    if(height_difference<width_difference)
    {
    fullscreenObr.width=(document_height-20)*(img_width/img_height);
    fullscreenObr.height=document_height-20;
    }
    else
    {
    fullscreenObr.width=document_width-10;
    fullscreenObr.height=(document_width-10)*(img_height/img_width);
    }
    }
    else if(height_difference<0&&width_difference>0)
    {
    fullscreenObr.width=(document_height-20)*(img_width/img_height);
    fullscreenObr.height=document_height-20;
    }
    else
    {
    fullscreenObr.width=myImg.width;
    fullscreenObr.height=myImg.height;
    }
    }
    function originalSize()
    {
    if(fullscreenObr.width==myImg.width)
    {
    alert("<?php echo ORIGINAL_SIZE_ALERT_TEXT; ?>")
    }
    else
    {
    fullscreenObr.width=myImg.width;
    fullscreenObr.height=myImg.height;
    }
    }
    function getDocumentHeight(){
    if(document.all)return document.body.clientHeight;
    else return document.documentElement.clientHeight;
    }
    function getDocumentWidth(){
    if(document.all)return document.body.clientWidth;
    else return document.documentElement.clientWidth;
    }
    function mouseDown(id,e)
    {
    movingObject=document.getElementById(id);
    if(!document.all)
    {
    X=e.layerX;
    Y=e.layerY;
    }
    else
    {
    X=event.offsetX;
    Y=event.offsetY;
    }
    }
    function mouseUp()
    {
    movingObject=null;
    }
    function mouseMove(e)
    {
    if(movingObject)
    {
    movingObject.style.top=(e?e:event).clientY-Y+"px";
    movingObject.style.left=(e?e:event).clientX-X+"px";
    return false;
    }
    }
    document.onmousemove=mouseMove;
    setImage(0);
  /* ]]> */
  </script>
  </body>
</html>

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