// JavaScript Document
function element_by_id(id){
	return document.getElementById(id);
}
function inputLabelBlur(element, label){
	if(element.value == ''){
		element.type = 'text';
		element.value = label;
	}
}
function inputLabelFocus(element, label, password){
	if(element.value == label){
		element.value = '';
	}
	if(password){
		element.type = 'password';
	}
}
function toggleShow(id){
	element = element_by_id(id);
	(element.style.display == 'none') ? element.style.display = 'block' : element.style.display = 'none';
}
function toggleArrow(id){
	element = element_by_id(id);
	(element.className == '') ? element.className = 'up' : element.className = '';
}