menu_status = new Array(); 

function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
		  if ( document.getElementById('arw_'+theid) != null  )
		  { arw = document.getElementById('arw_'+theid)
		     arw.innerHTML = '<font size=1  color=999999>&#9660;</font> ' }
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
		     if ( document.getElementById('arw_'+theid) != null )
		  { arw = document.getElementById('arw_'+theid)
		     arw.innerHTML = '<font size=1  color=999999>&#9658;</font> ' }
        }
    }
}