/*
* jqModal - Minimalist Modaling with jQuery
*
* Copyright (c) 2007 Brice Burgess <bhb@iceburg.net>, http://www.iceburg.net
* Licensed under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
* 
* $Version: 2007.02.14 +r6
*/
(function ($) {
    $.fn.jqm = function (o, x, y) {
        var _o = {
            zIndex: 3000,
            overlay: 50,
            overlayClass: 'jqmOverlay',
            wrapClass: 'jqmWrap',
            closeClass: 'jqmClose',
            trigger: '.jqModal',
            ajax: false,
            target: false,
            autofire: false,
            focus: false
        };
        $.jqm.serial++; s = $.jqm.serial;
        hash[s] = { c: $.extend(_o, o), active: false, w: this, o: false, u: $('input,select,button', this)[0] || this[0], cb: [($.isFunction(x)) ? x : false, ($.isFunction(y)) ? y : false] };
        $(_o.trigger).bind("click", { 's': s }, function (e) {
            return (!hash[e.data.s]['active']) ? $.jqm.open(e.data.s, this) : false;
        });
        if (_o.autofire) $(_o.trigger).click();
        return this;
    }
    $.fn.jqmClose = function () {
        var p = this.parent();
        this.hide().insertBefore(p); p.remove(); return this;
    }
    $.jqm = {
        open: function (s, t) {
            var h = hash[s]; h.t = t;
            var c = h.c; h.cc = '.' + c.closeClass;
            var z = c.zIndex; if (c.focus) z += 10; if (c.overlay == 0) z -= 5;
            if (!$.isFunction(h.q)) h.q = function () { return $.jqm.close(s) };
            h['active'] = true;

            var f = $('<iframe></iframe>').css({ 'z-index': z - 2, opacity: 0 });
            var o = $('<div></div>').css({ 'z-index': z - 1, opacity: c.overlay / 100 }).addClass(c.overlayClass);
            $([f[0], o[0]]).css({ height: $.jqm.pageHeight(), width: '100%', position: 'absolute', left: 0, top: 0 });

            if (c.focus) {
                if ($.jqm.x.length == 0) $.jqm.ffunc('bind'); $.jqm.x.push(s);
                o = f.add(o[0]).css('cursor', 'wait');
            }
            else if (c.overlay > 0) { o.bind('click', h.q); o = ($.jqm.ie6) ? f.add(o[0]) : o; }
            else o = ($.jqm.ie6) ? f.css('height', '100%').prependTo(h.w) : false;
            if (o) h.o = o.appendTo('#baseline');

            h.w.wrap('<div class="' + c.wrapClass + '" id="jqmID' + s + '" style="z-index:' + z + '"></div>');
            if (c.ajax) {
                var r = c.target; r = (r) ? (typeof r == 'string') ? $(r, h.w) : $(r) : h.w;
                var url = c.ajax; url = (url.substr(0, 1) == '@') ? $(t).attr(url.substring(1)) : url;
                r.load(url, function () { $(h.cc, h.w).bind('click', h.q); });
            }
            else h.w.find(h.cc).bind('click', h.q);

            (h.cb[0]) ? h.cb[0](h) : h.w.show(); h.u.focus();
            return false;
        },
        close: function (s) {
            var h = hash[s]; h['active'] = false;
            $(h.cc, h.w[0]).unbind('click', h.q);
            var x = $.jqm.x; if (x.length != 0) {
                x.pop();
                if (x.length == 0) $.jqm.ffunc('unbind');
            }
            (h.cb[1]) ? h.cb[1](h) : h.w.jqmClose(); if (h.o) h.o.remove();
            return false;
        },
        pageHeight: function () {
            var d = document.documentElement;
            return Math.max(document.body.scrollHeight, d.offsetHeight, d.clientHeight || 0, window.innerHeight || 0);
        },
        hash: {},
        serial: 0,
        x: [],
        f: function (e) {
            var s = $.jqm.x[$.jqm.x.length - 1];
            if ($(e.target).parents('#jqmID' + s).length == 0) { hash[s].u.focus(); return false; } return true;
        },
        ffunc: function (t) { $()[t]("keypress", $.jqm.f)[t]("keydown", $.jqm.f)[t]("mousedown", $.jqm.f); },
        ie6: $.browser.msie && typeof XMLHttpRequest == 'function'
    };
    var hash = $.jqm.hash;
})(jQuery);