// The Dean Edwards addEvent function
// http://dean.edwards.name/weblog/2005/10/add-event2/
function addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		if (!element.events) element.events = {};
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		handlers[handler.$$guid] = handler;
		element["on" + type] = handleEvent;
	}
};
addEvent.guid = 1;
function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};
function handleEvent(event) {
	var returnValue = true;
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	var handlers = this.events[event.type];
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};
function fixEvent(event) {
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
};

// My function to clear form elements
// Described at WebDesignerForum.co.uk
addEvent(window, 'load', function(e) {
	var defaulters = [],
		inputs = document.getElementsByTagName('input'),
		textareas = document.getElementsByTagName('textarea');
	for (var i in inputs) {
		if (inputs[i].defaultValue) {
			(function() {
				defaulters.push(inputs[i]);
			}());
		}
	}
	for (var j in textareas) {
		if (textareas[j].defaultValue) {
			(function() {
				defaulters.push(textareas[j]);
			}());
		}
	}
	for (var k in defaulters) {
		(function(e) {
			addEvent(defaulters[k], 'focus', function(e) {
				if (this.value == this.defaultValue) {
					this.value = '';
				}
			});
			addEvent(defaulters[k], 'blur', function(e) {
				if (this.value == '') {
					this.value = this.defaultValue;
				}
			});
		}());
	}
});