// Title: Tigra Hints
// URL: http://www.softcomplex.com/products/tigra_hints/
// Version: 2.1
// Date: 04/23/2007
// Note: This script is free for any kind of applications
//	The development of this software is funded by your donations

function THints (a_items, a_cfg) {

	if (!a_items) a_items = [];
	if (!a_cfg) a_cfg = [];
	this.a_cfg = a_cfg;

	this.a_elements = [];
	this.a_hints = [];

	this.show  = f_hintShow;
	this.showD = f_hintShowNow;
	this.hide  = f_hintHide;
	this.hideD = f_hintHideNow;

	// register the object in global collection
	this.n_id = A_HINTS.length;
	A_HINTS[this.n_id] = this;
	
	// generate HTML
	for (var s_id in a_items) {
		s_id = String(s_id).replace(/\W/g,'');
		document.write(
			'<div style="position:absolute;left:50;top:50;visibility:hidden;z-index:',
			((a_cfg['z-index'] == null ? 2 : a_cfg['z-index']) + (a_cfg.IEfix ? 1 : 0)), ';',
			(a_cfg.IEtrans ? 'filter:' + a_cfg.IEtrans.join(' ') : '') ,
			(a_cfg.opacity ? ' alpha(opacity=' + a_cfg.opacity + '); -moz-opacity:' + (a_cfg.opacity / 100) + ';opacity:' + (a_cfg.opacity / 100) + '' : ''), '" id="h', this.n_id, '_', s_id,
			'" class="', (this.a_cfg.css ? this.a_cfg.css : 'tigraHint'),
			'" onmouseover="A_HINTS[', this.n_id + '].show(\'', s_id, '\')" onmouseout="A_HINTS[',
			this.n_id, '].hide(\'', s_id, '\')">',
			a_items[s_id], '</div>'
		);
	}
}
var n_flag = false;

function f_hintShow(s_id, e_element) {

	// cancel previous delay
	if (this.e_timer) {
		clearTimeout(this.e_timer);
		this.e_timer = null;
	}

	var s_id = String(s_id).replace(/\W/g,'');
	if (!this.a_hints[s_id])
		this.a_hints[s_id] = getElement('h' + this.n_id + '_' + s_id);
	if (!this.a_hints[s_id])
		this.a_hints[s_id] = getElement(s_id);
	if (!this.a_hints[s_id])
		throw new Error('001', 'Can not find the hint with ID=' + s_id);

	this.a_elements[s_id] = e_element;

	var n_showDelay = this.a_cfg.show_delay == null ? 200 : this.a_cfg.show_delay;
	if (!n_showDelay)
		return this.showD(s_id, e_element);

	this.e_timer = setTimeout('A_HINTS[' + this.n_id + '].showD("' + s_id + '")', n_showDelay);
}

function f_hintShowNow(s_id, e_element) {
	if (s_id == this.o_lastHintID)
		return;

	if (e_element)
		this.a_elements[s_id] = e_element;
	if (this.o_lastHintID != null)
		this.hideD(this.o_lastHintID);

	// Transition in IE
	if (this.a_cfg.IEtrans && this.a_cfg.IEtrans[0]) {
		try {
			var e_currTrans = this.a_hints[s_id].filters.item(0);
			e_currTrans.apply();
			this.a_hints[s_id].style.visibility = 'visible';
			e_currTrans.play();
		} catch(e) {
			this.a_hints[s_id].style.visibility = 'visible';
		};
	}
	else
		this.a_hints[s_id].style.visibility = 'visible';

	this.o_lastHintID = s_id;
}

function f_hintHide(s_id) {

	if (this.e_timer) {
		clearTimeout(this.e_timer);
		this.e_timer = null;
	}

	if (s_id != null)
		s_id = String(s_id).replace(/\W/g,'');
	else if (this.o_lastHintID)
		s_id = this.o_lastHintID;
	else
		return;
	
	if (!this.a_hints[s_id])
		throw new Error('001', 'Can not find the hint with ID=' + s_id);

	var n_hideDelay = this.a_cfg.hide_delay == null ? 200 : this.a_cfg.hide_delay;
	if (!n_hideDelay)
		return this.hideD(s_id);

	this.e_timer = setTimeout('A_HINTS[' + this.n_id + '].hideD("' + s_id + '")', n_hideDelay);
}

function f_hintHideNow(s_id) {
	// Transition in IE
	if (this.a_cfg.IEtrans && this.a_cfg.IEtrans[1]) {
		try {
			var e_currTrans = this.a_hints[s_id].filters.item(this.a_cfg.IEtrans[0] ? 1 : 0);
			e_currTrans.apply();
			this.a_hints[s_id].style.visibility = 'hidden';
			e_currTrans.play();
		} catch(e) {
			this.a_hints[s_id].style.visibility = 'hidden';
		};
	}
	else
		this.a_hints[s_id].style.visibility = 'hidden';

	this.o_lastHintID = null;
	if (this.o_lastIframe) {
		this.o_lastIframe.style.visibility = 'hidden';
		this.o_lastIframe = null;
	}
}

getElement = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };

// global variables
var A_HINTS = [],
	n_mouseX = 0,
	n_mouseY = 0,
	s_userAgent = navigator.userAgent.toLowerCase(),
	re_align = /^([tmb])([lcr])([tmb])([lcr])$/;

var b_mac = s_userAgent.indexOf('mac') != -1,
	b_ie5    = s_userAgent.indexOf('msie 5') != -1,
	b_ie6    = s_userAgent.indexOf('msie 6') != -1 && s_userAgent.indexOf('opera') == -1,
	b_ieMac  = b_mac && b_ie5,
	b_safari = b_mac && s_userAgent.indexOf('safari') != -1,
	b_opera6 = s_userAgent.indexOf('opera 6') != -1;