var submenu_class_jsObj =  new Object();


  submenu_class_jsObj = function()
  // conctructor
  {		
  	this.submenuArr= new Array();
  }



submenu_class_jsObj.prototype =
{
   test:function()
      {
                        alert("test");
       },
	   

//
// ---------------------------------------------------------------------
//

//
// ---------------------------------------------------------------------
//
register_categoty_items_list:function(div_id)
{

 var num_of_items=this.submenuArr.length;
 
 this.submenuArr[num_of_items]=div_id;
},


//
// ---------------------------------------------------------------------
//


show_submenu:function(div_id)
{
	this.change_items_lists("close");
	if (document.getElementById(div_id)!= null )
 	document.getElementById(div_id).style.display="block";
},

//
// ---------------------------------------------------------
//
close_all_submenus:function()
{
	this.change_items_lists("close");
	
},

//
// ---------------------------------------------------------
//
change_items_lists:function(new_status)
// 'open'  or 'close' 
{
	
	 if (new_status=="open")  _status="block";
    else _status="none";
		 
	 
	var num_of_items=this.submenuArr.length;
	for (var i=0; i<=num_of_items-1; i++)
	{ 
	
		var div_id_name=this.submenuArr[i];
		
		document.getElementById(div_id_name).style.display=_status;
		
	}
}



}//submenu_class_jsObj.prototype