/*************************************************************
 *  Java script for side bar navigation
 *  version 1.0       February 8, 2005
 *  C. Ollebek  Starters Terneuzen
 *************************************************************/

var  first_btn;
var  last_btn;
var  clicked_id;

function _s_over(_this){
        if (_this.id != clicked_id) 
         {
          _this.className="side_level2_hover";
         }
      }

function _s_out(_this){
        if (_this.id != clicked_id) 
         {
          _this.className="side_level2_normal";
         }
      }
    
function _s_click(_this, _link, target) {
     
     var lh;
     var prev_id
     
    
         prev_id=clicked_id;
         clicked_id=_this.id;
         lh=document.getElementById(prev_id); 
     
         lh.className="side_level2_normal";
        
        if (_this.id==first_btn)
          {
           _this.className="side_level2_seltop";  
          }
         else {
           if (_this.id==last_btn)
            {
               _this.className="side_level2_sellast";
            } 
            else {
               _this.className="side_level2_sel";
            }
          }
           
        window.open(_link, target);  
     }