/* 
 * Cross-browser event handling, by Scott Andrew
 */
function addEvent(element, eventType, lamdaFunction, useCapture) {
	if (element.addEventListener) {
		element.addEventListener(eventType, lamdaFunction, useCapture);
		return true;
	}
	else if (element.attachEvent) {
		var r = element.attachEvent('on' + eventType, lamdaFunction);
		return r;
	}
	else {
		return false;
	}
}

function init() {
	var formInputs = document.getElementsByTagName('input');
	for (var i = 0; i < formInputs.length; i++) {
		var theInput = formInputs[i];
		
		if (theInput.type == 'text' && theInput.className.match("cleardefault")) {  
			/* Add event handlers */          
			addEvent(theInput, 'focus', clearDefaultText, false);
			addEvent(theInput, 'blur', replaceDefaultText, false);
			/* Save the current value */
			if (theInput.value != '') {
			theInput.defaultText = theInput.value;
			}
		}
	}
}

addEvent(window, "load", init, false);

function clearDefaultText(e) {
	var target = window.event ? window.event.srcElement : e ? e.target : null;
	if (!target) {return;}
	
	if (target.value == target.defaultText) {
		target.value = '';
		target.style.color="black";
	}
}

function replaceDefaultText(e) {
	var target = window.event ? window.event.srcElement : e ? e.target : null;
	if (!target) {return;}
	
	if (target.value == '' && target.defaultText) {
		target.value = target.defaultText;
		target.style.color="#aaa";
	}
}