/*
	Clear Input Info text: functions for clearing and replacing default text in <input> elements.
*/

/* 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;
    }
}

addEvent(window, 'load', init, 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(/\binputinfo\b/))
		{
            /* Add event handlers */
            addEvent(theInput, 'focus', clearDefaultText, false);
            addEvent(theInput, 'blur', replaceDefaultText, false);

            /* Save the current value */
            if (theInput.value != '')
			{
                theInput.defaultText = theInput.value;
            }
        }
    }
}

function clearDefaultText(e)
{
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;

	alert("clear");

    if (target.value == target.inputinfo)
	{
        target.value = '';
    }
}

function replaceDefaultText(e)
{
	alert("replace");

    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;

    if (target.value == '' && target.inputinfo)
	{
        target.value = target.inputinfo;
    }
}