var PageCookie = function(pageName)
{
    this.base = Cookie;
    this.base(pageName);
    
   this.PageName = pageName;
}
PageCookie.prototype = new Cookie();
PageCookie.prototype.constructor = PageCookie;

PageCookie.prototype.GetValue = function(id)
{
   if( this.Value == null ) return null;
   
   var i = this.Value.indexOf("|id|" + id);
   if( i < 0 ) return null;

   var vi = this.Value.indexOf("|value|", i);
   var vie = this.Value.indexOf("|disabled|", vi);
   
   var v = this.Value.substring(vi+7, vie);
   return v;
}

PageCookie.prototype.GetDisabled = function(id)
{
   if( this.Value == null ) return null;

   var i = this.Value.indexOf("|id|" + id);
   if( i < 0 ) return null;

   var vi = this.Value.indexOf("|disabled|", i);
   var vie = this.Value.indexOf("|id|", vi);
   if( vie == -1 ) vie = this.Value.length;
   
   var v = this.Value.substring(vi+10, vie);
   return v;
}

PageCookie.prototype.$Append = Cookie.prototype.Append;
PageCookie.prototype.Append = function(id, value, disabled)
{
   this.$Append("|id|" + id + "|value|" + value + "|disabled|" + disabled);
}

PageCookie.prototype.GetPageState = function(psAIBlock)
{
   if( psAIBlock == null ) 
      psAIBlock = "all";
   else
      psAIBlock = psAIBlock.toLowerCase();

   var oFields = document.getElementsByTagName("input");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "text" )
            {
               if( oFields[i].id != null )
                  this.Append(oFields[i].id, oFields[i].value, oFields[i].disabled);
            }
            else if( oFields[i].type == "checkbox" || oFields[i].type == "radio" )
            {
               if( oFields[i].id != null )
                  this.Append(oFields[i].id, oFields[i].checked, oFields[i].disabled);
            }
         }
      }
   }

   var oFields = document.getElementsByTagName("textarea");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "textarea" )
            {
               if( oFields[i].id != null )
                  this.Append(oFields[i].id, oFields[i].value, oFields[i].disabled);
            }
         }
      }
   }
   
   var oFields = document.getElementsByTagName("select");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "select-one" )
            {
               if( oFields[i].id != null )
                  this.Append(oFields[i].id, oFields[i].selectedIndex, oFields[i].disabled);
            }
         }
      }
   }
}

PageCookie.prototype.RestorePageState = function(psAIBlock)
{
   if( this.Value == null ) return;

   if( psAIBlock == null ) 
      psAIBlock = "all";
   else
      psAIBlock = psAIBlock.toLowerCase();
   
   var oFields = document.getElementsByTagName("input");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "text" )
            {
               var id = oFields[i].id;
               if( id )
               {
                  var v = this.GetValue(id);
                  var d = this.GetDisabled(id);
                  if( v != null )
                     oFields[i].value = v;

                  //needed because in JS "false" evalutes to true (WTF?!?)
                  if( d == "true" )
                     oFields[i].disabled = true;
                  else
                     oFields[i].disabled = false;
               }
            }
            else if( oFields[i].type == "checkbox" || oFields[i].type == "radio" )
            {
               var id = oFields[i].id;
               if( id )
               {
                  var v = this.GetValue(id);
                  var d = this.GetDisabled(id);
                  
                  //needed because in JS "false" evalutes to true (WTF?!?)
                  if( v == "true" )
                     oFields[i].checked = true;
                  else
                     oFields[i].checked = false;
                     
                  //needed because in JS "false" evalutes to true (WTF?!?)
                  if( d == "true" )
                     oFields[i].disabled = true;
                  else
                     oFields[i].disabled = false;
               }
            }
         }
      }
   }

   var oFields = document.getElementsByTagName("textarea");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "textarea" )
            {
               var id = oFields[i].id;
               if( id )
               {
                  var v = this.GetValue(id);
                  var d = this.GetDisabled(id);
                  if( v != null )
                     oFields[i].value = v;

                  //needed because in JS "false" evalutes to true (WTF?!?)
                  if( d == "true" )
                     oFields[i].disabled = true;
                  else
                     oFields[i].disabled = false;
               }
            }
         }
      }
   }
   
   var oFields = document.getElementsByTagName("select");

   if( oFields != null )
   {
      for( i=0; i < oFields.length; i++ )
      {
         var sAIBlock = oFields[i].getAttribute('ieblock');
         
         if( sAIBlock != null ) 
            sAIBlock = sAIBlock.toLowerCase();
            
         if( psAIBlock == "all" || sAIBlock == psAIBlock )
         {
            if( oFields[i].type == "select-one" )
            {
               var id = oFields[i].id;
               if( id )
               {
                  var v = this.GetValue(id);
                  var d = this.GetDisabled(id);
                  if( v != null )
                     oFields[i].selectedIndex = v;

                  //needed because in JS "false" evalutes to true (WTF?!?)
                  if( d == "true" )
                     oFields[i].disabled = true;
                  else
                     oFields[i].disabled = false;
               }
            }
         }
      }
   }
}