//
// View Functions
//
function changeTab(new_tab, group)
{
	if ( new_tab != curr_tab[group] )
	{
		// Update the displayed content
		if (curr_tab[group] != "")
		{
			document.getElementById(group+"_"+curr_tab[group]).style.display = "none";
			document.getElementById(group+"_tab_"+curr_tab[group]).className = "selected_2";
		}
		if (new_tab != "")
		{
			document.getElementById(group+"_"+new_tab).style.display = "block";
			document.getElementById(group+"_tab_"+new_tab).className = "selected_1";
		}
		else
		{
			document.getElementById(group+"_season_"+curr_tab[group]).style.display = "none";
			document.getElementById(group+"_tab_"+curr_tab[group]).className = "";
		}

		// Swap the old for the new
		curr_tab[group] = new_tab;
	}
}