function sw(obj,obj2,obj3) {
        var el3 = document.getElementById(obj3);	
        var el2 = document.getElementById(obj2);	
        var el = document.getElementById(obj);
        
        if ( el.style.height != 'auto' ) {
                el.style.height = 'auto';
                 el.style.display = ''; 

  
                 el2.className = '';
             el3.className = 'r2';
                
        }
        else {
                el.style.height = '0px';
                el.style.overflow='hidden';
                el.style.display = 'none';
               
             
             
                        el2.className = 'index_2';
             el3.className = 'line_right_2';
             /*
                 el3.className = 'r2_2';
                el2.style.backgroundImage='url(/images/h1_left_2.gif)';
                 el2.style.height = '18px';
                  el2.style.overflow='hidden';
                 el3.style.backgroundImage='url(/images/h1_right_2.gif)';*/
                  
        }
}