function tabSwitch_2(active, number, tab_prefix, content_prefix) { for (var i=1; i < number+1; i++) { document.getElementById(content_prefix+i).style.display = 'none'; document.getElementById(tab_prefix+i).className = ''; } document.getElementById(content_prefix+active).style.display = 'block'; document.getElementById(tab_prefix+active).className = 'active'; }