var panels = new Array('panel1', 'panel2', 'panel3', 'panel4','panel5');
//var tabs = new Array('tab1', 'tab2', 'tab3', 'tab4','tab5');
      var selectedTab = null;
      function showPanel(tab, name)
      {
        if (selectedTab)
        {
          selectedTab.style.backgroundColor = '#eeeeee';
          selectedTab.style.color = '#000000';
          selectedTab.style.paddingTop = '';
          selectedTab.style.marginTop = '0px';
          selectedTab.style.fontSize = '12px';
        selectedTab.style.fontWeight = 'normal';
          
        }
        selectedTab = tab;
        selectedTab.style.backgroundColor = '#CCCC99';
        selectedTab.style.color = '#600000';
        selectedTab.style.fontSize = '14px';
        selectedTab.style.fontWeight = 'bold';
        selectedTab.style.paddingTop = '1px';
          selectedTab.style.paddingBottom = '2px';
        selectedTab.style.marginTop = '0px';
       selectedTab.style.marginBottom = '0px';

        for(i = 0; i < panels.length; i++) {
          document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';
         // document.getElementById(tabs[i]).style.backgoundColor = (name == tab[i]) ? 'green':'white';
          }

        return false;
      }