// constructs email link dynamically to prevent spam
function mail(address) {
	emailLink = '<a href="mailto:' + address + '@interlog.com' + '">' + address + '@interlog.com' + '</a>';
	document.write(emailLink);
}

function form_switch(section) {
	// reset everything
	document.getElementById("contest_1a_extra").style.display = 'none';
	document.getElementById("contest_1b_extra").style.display = 'none';
	document.getElementById("contest_1c_extra").style.display = 'none';

	document.getElementById(section).style.display = 'block';
}