var panels = new Array('panel1', 'panel2');
var selectedTab = null;
function showPanel(tab, name)
{
if (selectedTab) 
{
selectedTab.style.color = '#693';
selectedTab.style.backgroundColor = '';
selectedTab.style.paddingTop = '';
selectedTab.style.paddingBottom = '';
}
selectedTab = tab;
selectedTab.style.color = '#050';
selectedTab.style.backgroundColor = '#f9f9f9';
selectedTab.style.paddingTop = '5px';
for(i = 0; i < panels.length; i++)
{
document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';
}
return false;
}