function show_tab(id)
{
 hideallids();
 showdiv(id);
}
                                    
function hideallids(){
 for (var i=0;i<ids.length;i++){
	 hidediv(ids[i]);
 }		  
}

function show_rtab(id)
{
 hideallrds();
 showdiv(id);
}
                                    
function hideallrds(){
 for (var i=0;i<rds.length;i++){
	 hidediv(rds[i]);
 }		  
}
 
function hidediv(id) { var ide = id + "h";
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(id).style.display = 'none'; document.getElementById(ide).className = 'inactive';
 }
 else {
  if (document.layers) { // Netscape 4
	 document.id.display = 'none'; document.ide.className = 'inactive'; 
	}
  else { // IE 4
   document.all.id.style.display = 'none'; document.all.ide.className = 'inactive';
  }
 }
}

function showdiv(id) { var ide = id + "h";  
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(id).style.display = 'block'; document.getElementById(ide).className = 'active';
 }
 else {
  if (document.layers) { // Netscape 4
   document.id.display = 'block'; document.ide.style = ''; document.ide.className = 'active';
  }
  else { // IE 4
   document.all.id.style.display = 'block'; document.all.ide.className = 'active';
  }
 }
}