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

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(/\bcleardefault\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;
            }
        }
	else if (theInput.className.match(/\bpasswordClear\b/) && theInput.className.match(/\bcleardefault\b/)) {
            /* Add event handlers */
            addEvent(theInput, 'focus', clearDefaultText, false);
	}
	else if (theInput.className.match(/\bpasswordObscure\b/) && theInput.className.match(/\bcleardefault\b/)) {
            addEvent(theInput, 'blur', replaceDefaultText, false);
        }
    }

	if ($('passwordObscure'))
		fireEvent($('passwordObscure'), "blur");
}

function fireEvent(target, event)
{
	if (document.createEvent)
	{
		var evt = document.createEvent("MouseEvents");
		evt.initMouseEvent(event, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
		var canceled = !target.dispatchEvent(evt);
	}
	else
	{
		var evt = document.createEventObject();
		target.fireEvent("on" + event, evt);
		evt.cancelBubble = true;
	}
}

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

    if (target.className.match(/\bpasswordClear\b/)) {
        $('passwordClear').style.display = 'none';
        $('passwordObscure').style.display = '';
        $('passwordObscure').focus();
	return;
    }

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

function replaceDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    //alert('Blur Event '+target);
    if (!target) return;

    if (target.className.match(/\bpasswordObscure\b/) && $('passwordObscure').value == '') {
        $('passwordObscure').style.display = 'none';
        $('passwordClear').style.display = '';
	return;
    }

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

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

/*
 * Kills an event's propagation and default action
 */
function knackerEvent(eventObject) {
    if (eventObject && eventObject.stopPropagation) {
        eventObject.stopPropagation();
    }
    if (window.event && window.event.cancelBubble ) {
        window.event.cancelBubble = true;
    }

    if (eventObject && eventObject.preventDefault) {
        eventObject.preventDefault();
    }
    if (window.event) {
        window.event.returnValue = false;
    }
}

/*
 * Cross-browser style extraction, from the JavaScript & DHTML Cookbook
 * <http://www.oreillynet.com/pub/a/javascript/excerpt/JSDHTMLCkbk_chap5/index5.html>
 */
function getElementStyle(elementID, CssStyleProperty) {
    var element = document.getElementById(elementID);
    if (element.currentStyle) {
        return element.currentStyle[toCamelCase(CssStyleProperty)];
    } else if (window.getComputedStyle) {
        var compStyle = window.getComputedStyle(element, '');
        return compStyle.getPropertyValue(CssStyleProperty);
    } else {
        return '';
    }
}

function resetPassword(invite)
{
	showOverlay(300, 225, $('resetPassword').innerHTML, invite);
	/*
	if( document.getElementById('home') ){
		if( $('home').getStyle('top')=='-15px' )
			$('home').setStyle({top:'-259px'});
	}
	*/

	if ($('loginName'))
		$('loginName').focus();
}
function activateAccount(invite)
{

	showOverlayMid(300, 225, $('activateAccount').innerHTML, invite);
	/*
	if( document.getElementById('home') ){
		if( $('home').getStyle('top')=='-15px' )
			$('home').setStyle({top:'-259px'});
	}
	*/
	
	if ($('loginName'))
		$('loginName').focus();
	
}

// Validate invite form fields.
function isValidResetPasswordForm()
{
	var errs = 0;
	
	// let's clear any existing messages
	$('loginNameValidate').innerHTML = "";
	$('emailValidate').innerHTML = "";
	
	//validate that one of the fields is not blank
	if (($('loginName').value == "") && ($('reset_email').value == ""))
	{
		validationMsg('loginNameValidate', 'Please enter a Login Name or email address.');
		errs += 1;
	}

	// validate fields
	if ($('reset_email').value != "")
	{
		if (!validateField($('reset_email'), 'emailValidate', 'email', 'Please include a valid email address.')) errs += 1;
	}
	if (errs > 0)
	{
		
		return false;
	}
	
	return true;
}

function isValidActivateAccountForm()
{
	var errs = 0;

	// let's clear any existing messages
	$('loginNameValidate').innerHTML = "";
	$('mailValidate').innerHTML = "";

	//validate that one of the fields is not blank
	if (($('loginName').value == "") && ($('reset_email').value == ""))
	{
		validationMsg('loginNameValidate', 'Please enter a Login Name or email address.');
		errs += 1;
	}

	// validate fields
	if ($('reset_email').value != "")
	{
		if (!validateField($('reset_email'), 'mailValidate', 'email', 'Please include a valid email address.')) errs += 1;
	}
	if (errs > 0)
	{
		
		return false;
	}
	
	return true;
}

function dimTitle()
{
	//Effect.Fade('site_title_box', {from:1, to:0.2, duration:0.2});
}

function liteTitle()
{
	//Effect.Appear('site_title_box', {duration:0.2});
}

function dimStory()
{
	Effect.Fade('story_header', {from:1, to:0.2, duration:0.2});
	Effect.Fade('story_box', {from:1, to:0.2, duration:0.2});

}

function liteStory()
{
	Effect.Appear('story_header', {duration:0.2});
	Effect.Appear('story_box', {duration:0.2});
}

function dimBlog()
{
	if( $('forum_header') ){
		Effect.Fade('forum_header', {from:1, to:0.2, duration:0.2});
	}
	if( $('wishes') ){
		Effect.Fade('wishes', {from:1, to:0.2, duration:0.2});
	}
	if( $('well_wishes') ){
		Effect.Fade('well_wishes', {from:1, to:0.2, duration:0.2});
	}
}

function liteBlog()
{
	if( $('forum_header') ){
		Effect.Appear('forum_header', {duration:0.2});
	}
	if( $('wishes') ){
		Effect.Appear('wishes', {duration:0.2});
	}
	if( $('well_wishes') ){
		Effect.Appear('well_wishes', {duration:0.2});
	}
}

function dimPhoto()
{
	if( $('photoEdit') ){
		Effect.Fade('photoEdit', {from:1, to:0.2, duration:0.2});
	}
}

function litePhoto(noPhotoandAdmin)
{
	if( $('photoEdit') ){
		Effect.Appear('photoEdit', {duration:0.2});
	}
}

function editBlog()
{
	dimRightSidebar();
	dimLeftSidebar();
	dimTitleBox();
	dimPhoto();
	dimStory();
}

function showBlog()
{
	liteRightSidebar();
	liteLeftSidebar();
	liteTitleBox();
	litePhoto();
	liteStory();
}

function editStory()
{
	if ($('storyTemp').style.display == 'none')
	{
		//liteTitle();
		liteRightSidebar();
		liteLeftSidebar();
		liteSupportBar();
		liteBlog();
		litePhoto();

		$('storydiv').style.display='none';
		$('storyTemp').style.display='';
		$('storyEdit').style.display='';

	}
	else
	{

		//dimTitle();
		dimRightSidebar();
		dimLeftSidebar();
		dimSupportBar();
		dimBlog();
		dimPhoto();

		$('storydiv').style.display='';
		$('storyTemp').style.display='none';
		$('storyEdit').style.display='none';
		//document.storyForm.storyTxt.focus(); //set focus to editor (gh cant make this work)
		Effect.Appear('storydiv', {duration:0.2});
	}
}

function editPhoto()
{
	if ($("photoEdit")) {$('photoEdit').style.display='none';} //may not exist if not admin or picture exists
	$("photoValidate").innerHTML = "";
	$('photoSelect').style.display=''; //show the editor
}

function showPhoto()
{
	if ($("photoEdit")) {$('photoEdit').style.display='';} //may not exist if not admin or picture exists
	$('photoSelect').style.display='none'; //hide the editor
}

// Toggle home page edit blocks for adding a blog entry

function toggleAdd()
{
	target = $("addDiv");
	if (target.style.display == "")
	{
		target.style.display = "none";
		$("forumEdit").style.display = "";
		liteTitle();
		litePhoto();
		liteStory();


		liteRightSidebar();
		liteLeftSidebar();
		liteSupportBar();
	}
	else
	{
		$("forumEdit").style.display = "none";
//		$('blogAddButton').style.display="none"
		target.style.display = "";
		//document.entryForm.subject.focus();
		dimTitle();
		dimPhoto();
		dimStory();


		dimRightSidebar();
		dimLeftSidebar();
		dimSupportBar();
	}

}


/** Realizes an Ajax request for mail contact */
function requestUserInfoByMail(requestURL){
	$('requestlink').style.display = "none";
	$('imageprogress').style.display = "";
	var request = new Ajax.Request(requestURL, {method: 'post', onComplete: completeRequestByMail});
}
/** Receives the Ajax request done by requestUserInfoByMail function */
function completeRequestByMail(request){
	hidePopup();
	$('imageprogress').style.display = "none";
}