var summaryItems=20;

var currentObject;

var path;

var picName;

function focusItems(items,object){

   items = items.split(',');

   currentObject = object;

   path = currentObject.src.substring(0,currentObject.src.length-6);

   picName = currentObject.src.substring(currentObject.src.length-6,currentObject.src.length-4);

   currentObject.src=path+picName+"_on.gif";

   for(i=0;i<items.length;i++){

      document.getElementById('item'+items[i]).className=document.getElementById('item'+items[i]).className+'_out';

   }

}

function unFocusItems(){

   if(currentObject){

      currentObject.src=path+picName+".gif"

   }

   for(i=0;i<summaryItems;i++){
   
      elemClass = document.getElementById('item'+i).className;
      
      if(elemClass.substring(elemClass.length-4,elemClass.length)=='_out'){
      
         document.getElementById('item'+i).className=document.getElementById('item'+i).className.substring(0,elemClass.length-4);

      }

   }

}

var obj = document.getElementById("items");