// reset all check boxes on load
window.onload = function uncheck() {
	var tag = document.getElementsByName('input');
	for(var i=0; i<tag.length; i++) {
		if(tag[i].getAttribute('type') == 'checkbox') {
			tag[i].checked = false;
		}
	}
}

// show/hide element
function toggle(id) {
	var e = document.getElementById(id);
	if(e.className == "show") e.className = "hide";
	else e.className = "show";
}