function selectTab(idName) {
  var tabs = new Array('read','email','popular');
  var offs = new Array('first','tab','last');
  var ons  = new Array('first on','tab on','last on');
  var end  = '';

  for (i=0; i < tabs.length; i++) {
    if (idName == tabs[i]) {
      document.getElementById(idName+'_tab').className = ons[i];
      document.getElementById(idName).style.display = 'block';
    } else {
      document.getElementById(tabs[i]+'_tab').className = offs[i];
      document.getElementById(tabs[i]).style.display = 'none';
    }
  }
}

function selectHomeTab(idName,stat) {
  var tabs = new Array('read','emails','popular','search');
  var offs = new Array('first','tab','tab2','last');
  var ons  = new Array('first on','tab on','tab2 on','last on');
  var end  = '';

  for (i=0; i < tabs.length; i++) {
    if (idName == tabs[i]) {
      document.getElementById(idName+'_tab').className = ons[i];
      document.getElementById(idName).style.display = 'block';
    } else {
      document.getElementById(tabs[i]+'_tab').className = offs[i];
      document.getElementById(tabs[i]).style.display = 'none';
    }
  }
  if (stat) { setTabStatus('pause'); }
}