//Show hide panels
var panels = new Array('tab1', 'tab2');
var selectedTab = null;
function showPanel(tab, name)
{
 	selectedTab = tab;
	for(i = 0; i < panels.length; i++)
	{
		document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';
	}
	return false;
}