function getElement( myid)
{

  Root = document.getElementById("middle");
  for (i=0 ; i<Root.childNodes.length ; i++) {
    node = Root.childNodes[i];
    if (node.nodeName=="DIV" && node.className=="content") {
      node.style.display="none";
    }
  }
  display = document.getElementById(myid);
//  if( display ) { display.style.display="block";}
  display.style.display="block";
  //  alert("set " + myid + " visible");
}

function adduser( myid)
{
  display = document.getElementById('root');
  if( display ) { display.style.display="none";}
  display = document.getElementById('reader');
  if( display ) { display.style.display="none";}
  display = document.getElementById('builder');
  if( display ) { display.style.display="none";}

  display = document.getElementById(myid);
  display.style.display="block";
}

window.onload=function() {
  getElement("main");  startit()
}

function popup(mylink, windowname)
{
if (! window.focus)return true; 
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'width=400,height=200,scrollbars=yes');
return false;
}