on_view_title_elem_phgal = true;

mas_elem_phgal = new Array();
num_choose_elem_phgal = 0;
num_previous_choose_elem_phgal = 0;

permission_view_image_phgal = false;
on_processing_load_content_phgal = false;

obj_fon_phgal = false;
obj_preload_image_phgal = false;
obj_block_content_phgal = false;
obj_block_view_load_phgal = false;
//n_phgal = 0;

obj_big_preload_image_phgal = false;

//фотогалерея

function init_load_photogallery_js()
  {
   
   document.body.onclick = init_element_click_phgal;
   
   //if ( !bIE )
   if ( document.body.addEventListener  )
     document.body.addEventListener("onClick",init_element_click_phgal,false);
   
   
   
  }

mas_functions_start_on_load[mas_functions_start_on_load.length] = init_load_photogallery_js;


function init_element_click_phgal(evt)
  {
   evt = ( evt ) ? evt : ( (window.event ) ? event : null );
   //alert(evt);
   
   var elem = false;
   if ( evt )
     {
      elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null );
      
     }
   
   if ( elem )
     {
      
      var n_search = 4;
      var i = 0;
      for ( i = 0; i<n_search; i++ )
        {
         var tagName = elem.tagName;
         //alert(elem);
         //alert(elem.tagName);
      
         if ( tagName == "A" || tagName == "a" )
           {
            
            return ( init_type_link_phgal(elem) );
           }
         elem = elem.parentNode;
        }
      
     }
   
  }


function init_type_link_phgal(elem)
  {
   //var set_on_link = false;
   
   
   //alert(elem);
   
   var value_atr =elem.getAttribute("vfoto");
   
   //alert(value_atr);
   
   if ( value_atr === null ) return;// (true);
   var rez =select_link_page_from_atr_phgal(elem,value_atr);
   num_choose_elem_phgal = rez[0];
   mas_elem_phgal = rez[1];
   
   //alert(mas_elem_phgal[num_choose_elem_phgal]);
   
   init_all_block_phgal();
   
   permission_view_image_phgal = true;
   start_preload_big_image_phgal();
   
   return (false);
  }


function select_link_page_from_atr_phgal(i_elem,v_atr)
  {
   var i =0;
   var mas_links = new Array();
   var n_elem_mas = 0;
   for (i = 0; i < document.links.length; i++)
     {
      if ( document.links[i].getAttribute("vfoto") !== null && document.links[i].getAttribute("vfoto") === v_atr )
        {
         var link = document.links[i];
         
         mas_links[mas_links.length]=link;
         
         //alert(link);
         
         if ( link === i_elem )
           {
            //alert("-> "+(mas_links.length-1)+"  "+link);
            n_elem_mas = mas_links.length-1;
           }
         
        }
      
     }
   
   return(new Array(n_elem_mas,mas_links) );
  }



function start_preload_big_image_phgal()
  {
   
   if ( !permission_view_image_phgal ) return;
   
   if ( on_processing_load_content_phgal  ) return;
   
   //выводим фон
   write_fon_block_phgal();
   
   //рисунок загрузки
   write_block_view_load_phgal();
   
   var url_image = mas_elem_phgal[num_choose_elem_phgal];
   
   /*
   var mas_style_preload = [ ["display","block"],["top","0px"],["left","0px"],["zIndex",-100],
       ["position","absolute"]
       ];
   
   obj_processing_block.set_style_obj(obj_preload_image_phgal,mas_style_preload);
   obj_processing_block.set_opacity(obj_preload_image_phgal,0);
   */
   
   on_processing_load_content_phgal = true;
   
   //if ( n_phgal ) alert(n_phgal);
   //setTimeout('obj_preload_image_phgal.innerHTML="<img src=\''+url_image+'\' onLoad=\'on_preload_image_phgal(this)\'>";',7000);
   //obj_preload_image_phgal.innerHTML="<img src='"+url_image+"' onLoad='on_preload_image_phgal(this)'>";
   
   var image = new Image();
   image.onload = function (){ obj_big_preload_image_phgal = image; on_preload_image_phgal(obj_big_preload_image_phgal); };
   image.src = url_image;
   
   
  }


function init_all_block_phgal()
  {
   //obj_preload_image_phgal = obj_processing_block.create_block_div("block_preload_image_phgal");
   obj_fon_phgal = obj_processing_block.create_block_div("block_fon_phgal");
   obj_block_content_phgal = obj_processing_block.create_block_div("block_content_phgal");
   
   obj_block_view_load_phgal = obj_processing_block.create_block_div("block_view_load_phgal");
   
  }



function on_preload_image_phgal(obj_load_image)
  {
   if ( !permission_view_image_phgal ) return;
   //alert(obj_load_image);
   
   on_processing_load_content_phgal = false;
   
   close_block_view_load_phgal();
   write_block_content_phgal("image",obj_load_image);
   
  }


function write_block_view_load_phgal()
  {
   if ( !permission_view_image_phgal ) return;
   
   //img_view_load.gif // 50*45
   var name_img_preload = "img_view_load.gif";
   var height = 70;
   var width = 70;
   
   var size_page = obj_processing_block.get_size_page();
   var size_window = obj_processing_block.get_size_window();
   var delta_page = obj_processing_block.get_delta_page();
   
   var top_block = delta_page.top + ( size_window.height - height )/2;
   var left_block = delta_page.left + ( size_window.width - width )/2;
   
   var mas_style = [["display","block"],["background","#ddd"],["zIndex",500],["height",height+"px"],["width",width+"px"],
     ["left",left_block+"px"],["top",top_block+"px"]];
   
   obj_processing_block.set_style_obj(obj_block_view_load_phgal,mas_style);
   //obj_processing_block.set_opacity(obj_block_view_load_phgal,80);
   
   var t ="<div style=''><div style='width: 64px; height: 64px; position: absolute; left: 3px; top: 3px; background: #fff;'>";
   t+="<div style=' position: absolute; left: 7px; top: 9px; background: #fff;'>";
   t+="<img src='"+dir_http+"/images/"+name_img_preload+"' onClick ='close_all_block_phgal();' style=' cursor: pointer; ' >";
   t+="</div>";
   t+="</div></div>";
   
   obj_block_view_load_phgal.innerHTML = t;
   
  }



function write_fon_block_phgal()
  {
   //функция выводящая фон
   if ( !permission_view_image_phgal ) return;
   
   var size_page = obj_processing_block.get_size_page();
   var size_window = obj_processing_block.get_size_window();
   var delta_page = obj_processing_block.get_delta_page();
   
   var mas_style_fon = [ ["display","block"],["top","0px"],["left","0px"],["zIndex",100],
       ["width",size_page.width+"px"],["height",size_page.height+"px"],
       ["background","#333"]       ];
   
   
   obj_processing_block.set_style_obj(obj_fon_phgal,mas_style_fon);
   obj_processing_block.set_opacity(obj_fon_phgal,50);
   
   //if ( functionClickFon )
      obj_fon_phgal.onclick=close_all_block_phgal;
   
  }


function close_all_block_phgal()
  {
   
   permission_view_image_phgal = false;
   on_processing_load_content_phgal = false;
   close_block_view_load_phgal();
   close_block_preload_image_phgal();
   close_block_fon_phgal();
   close_block_content_phgal();
   
  }


function close_block_view_load_phgal()
  {
   
   obj_block_view_load_phgal.style.display = "none";
   
  }


function close_block_preload_image_phgal()
  {
   //obj_preload_image_phgal.innerHTML = "";
   //obj_preload_image_phgal.style.display = "none";
   
  }

function close_block_fon_phgal()
  {
   
   obj_fon_phgal.style.display = "none";
   
  }

function close_block_content_phgal()
  {
   
   obj_block_content_phgal.style.display = "none";
   
  }



function write_block_content_phgal(type_view,obj_img)
  {
   
   if ( !permission_view_image_phgal ) return;
   
   var d_top = 10;
   var d_bottom = 10;
   var d_left = 10;
   var d_right = 10;
   
   var height_content = 100;
   var width_content = 100;
   
   if ( type_view == "image" )
     {
      //height_content = obj_img.offsetHeight;
      //width_content = obj_img.offsetWidth;
      height_content = obj_img.height;
      width_content = obj_img.width;
     }
   
   height = height_content + d_top + d_bottom;
   width = width_content + d_left + d_right;
   
   var size_page = obj_processing_block.get_size_page();
   var size_window = obj_processing_block.get_size_window();
   var delta_page = obj_processing_block.get_delta_page();
   
   var top_block = delta_page.top + ( size_window.height - height )/2;
   var left_block = delta_page.left + ( size_window.width - width )/2;
   
   var mas_style = [["display","block"],["background","#fff"],["zIndex",150],["height",height+"px"],["width",width+"px"],
     ["left",left_block+"px"],["top",top_block+"px"]];
   
   obj_processing_block.set_style_obj(obj_block_content_phgal,mas_style);
   //obj_processing_block.set_opacity(obj_block_content_phgal,80);
   
   var t ="";//"<div style=''><div style='width: 64px; height: 64px; position: absolute; left: 3px; top: 3px; background: #fff;'>";
   
   var title = "";
   
   
   if ( type_view == "image" )
     {
       
       if ( mas_elem_phgal[num_choose_elem_phgal].getAttribute("title")   )
         {
          title = mas_elem_phgal[num_choose_elem_phgal].getAttribute("title");
          
         }
       
       //var t_onclick_left = "";
       //var t_onclick_right = "";
       //var t_atr_left = "";
       //var t_atr_right = "";
       var t_block_left = "";
       var t_block_right = "";
       
       var t_block_title = "";
       
       if ( mas_elem_phgal.length >  1 )
         {
          if ( num_choose_elem_phgal > 0 )
            {
             
             
             t_block_left+="<a id='block_navig_left_phgal' class='block_navig_left_phgal' style=' position: absolute; left: "+d_left+"px; top: "+d_top+"px;  width: "+Math.round(width_content/2)+"px; height: "+height_content+"px; z-index: 300;  ' href='javascript:;' onFocus='this.blur();'>";
             t_block_left+="<div onClick = 'num_next_image_phgal(-1);' style='width: 100%; height: 100%; background: #fff; filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0); -moz-opacity:0; opacity:0; '></div>";
             t_block_left+="</a>";
             
            }
          if ( num_choose_elem_phgal < ( mas_elem_phgal.length - 1 ) )
            {
             
             t_block_right+="<a id='block_navig_right_phgal' class='block_navig_right_phgal' style=' position: absolute; right: "+d_right+"px; top: "+d_top+"px;  width: "+Math.round(width_content/2)+"px; height: "+height_content+"px; z-index: 300;  ' href='javascript:;' onFocus='this.blur();'>";
             t_block_right+="<div onClick = 'num_next_image_phgal(1);' style='width: 100%; height: 100%; background: #fff; filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0); -moz-opacity:0; opacity:0; '></div>";
             t_block_right+="</a>";
             
            }
          
         }
       
       
       
       if ( on_view_title_elem_phgal && title )
         {
          t_block_title = "<div class ='block_text_title_elem_phgal' style=' position: absolute; right: "+d_right+"px; bottom: "+d_bottom+"px;  width: "+Math.round(width_content)+"px;  z-index: 215;  ' >";
          t_block_title += "<div>"+title+"</div>";
          t_block_title += "</div>";
          
         }
       
       t+="<div style=' position: absolute; left: "+d_left+"px; top: "+d_top+"px; background: #fff; width: "+width_content+"px; height: "+height_content+"px; z-index: 200;'>";
       
       t+="<img src='"+mas_elem_phgal[num_choose_elem_phgal]+"'>";
       t+="</div>";
       
       t+="<div style='position: absolute; right: 12px; top: 12px; z-index: 310; ' ><img src = '"+dir_http+"/images/cancel4.gif' class='image_cancel_view_phgal' onClick='close_all_block_phgal();' ></div>";
       
       t+=t_block_left;
       t+=t_block_right;
       t+=t_block_title;
       
       
       
       //t+="</div></div>";
     }
   
   obj_block_content_phgal.innerHTML = t;
   
   
   
  }



function num_next_image_phgal(value_next)
  {
   
   if ( on_processing_load_content_phgal ) return;
   
   if ( document.getElementById("block_navig_left_phgal") )
     document.getElementById("block_navig_left_phgal").style.display = "none";
   
   if ( document.getElementById("block_navig_right_phgal") )
     document.getElementById("block_navig_right_phgal").style.display = "none";
   
   //alert(value_next);
   num_previous_choose_elem_phgal = num_choose_elem_phgal;
   num_choose_elem_phgal += value_next;
   //n_phgal++;
   start_preload_big_image_phgal();
   
  }