function show(object) {
	  if (document.getElementById) {
	    document.getElementById(object).style.display = '';
	  }
	  else if (document.layers && document.layers[object]) {
    	    document.layers[object].display = '';
	  }
	  else if (document.all) {
	    document.all[object].style.display = '';
	  }
	}
	
	function hide(object) {
	  if (document.getElementById) {
	    document.getElementById(object).style.display = 'none';
	  }
	  else if (document.layers && document.layers[object]) {
    	    document.layers[object].display = 'none';
	  }
	  else if (document.all) {
   	   document.all[object].style.display = 'none';
	  }
	}