; (function($) {
    if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) { alert('blockUI requires jQuery v1.2.3 or later!  You are using v' + $.fn.jquery); return; }
    $.blockUI = function(opts) { install(window, opts); }; $.unblockUI = function(opts) { remove(window, opts); }; $.fn.block = function(opts) {
        return this.each(function() {
            if ($.css(this, 'position') == 'static')
                this.style.position = 'relative'; if ($.browser.msie)
                this.style.zoom = 1; install(this, opts);
        });
    }; $.fn.unblock = function(opts) { return this.each(function() { remove(this, opts); }); }; $.blockUI.version = 2.09; $.blockUI.defaults = { message: '<h1>Please wait...</h1>', css: { padding: 0, margin: 0, width: '30%', top: '40%', left: '35%', textAlign: 'center', color: '#000', border: '3px solid #aaa', backgroundColor: '#fff', cursor: 'wait' }, overlayCSS: { backgroundColor: '#000', opacity: '0.6' }, baseZ: 1000, centerX: true, centerY: true, allowBodyStretch: true, constrainTabKey: true, fadeOut: 400, focusInput: true, applyPlatformOpacityRules: true, onUnblock: null, quirksmodeOffsetHack: 4 }; var ie6 = $.browser.msie && /MSIE 6.0/.test(navigator.userAgent); var pageBlock = null; var pageBlockEls = []; function install(el, opts) {
        var full = (el == window); var msg = opts && opts.message !== undefined ? opts.message : undefined; opts = $.extend({}, $.blockUI.defaults, opts || {}); opts.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, opts.overlayCSS || {}); var css = $.extend({}, $.blockUI.defaults.css, opts.css || {}); msg = msg === undefined ? opts.message : msg; if (full && pageBlock)
            remove(window, { fadeOut: 0 }); if (msg && typeof msg != 'string' && (msg.parentNode || msg.jquery)) { var node = msg.jquery ? msg[0] : msg; var data = {}; $(el).data('blockUI.history', data); data.el = node; data.parent = node.parentNode; data.display = node.style.display; data.position = node.style.position; data.parent.removeChild(node); }
        var z = opts.baseZ; var lyr1 = ($.browser.msie) ? $('<iframe class="blockUI" style="z-index:' + z++ + ';border:none;margin:0;padding:0;position:absolute;width:100%;height:100%;top:0;left:0" src="javascript:false;"></iframe>') : $('<div class="blockUI" style="display:none"></div>'); var lyr2 = $('<div class="blockUI blockOverlay" style="z-index:' + z++ + ';cursor:wait;border:none;margin:0;padding:0;width:100%;height:100%;top:0;left:0"></div>'); var lyr3 = full ? $('<div class="blockUI blockMsg blockPage" style="z-index:' + z + ';position:fixed"></div>') : $('<div class="blockUI blockMsg blockElement" style="z-index:' + z + ';display:none;position:absolute"></div>'); if (msg)
            lyr3.css(css); if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && /Linux/.test(navigator.platform)))
            lyr2.css(opts.overlayCSS); lyr2.css('position', full ? 'fixed' : 'absolute'); if ($.browser.msie)
            lyr1.css('opacity', '0.0'); $([lyr1[0], lyr2[0], lyr3[0]]).appendTo(full ? 'body' : el); var expr = $.browser.msie && (!$.boxModel || $('object,embed', full ? null : el).length > 0); if (ie6 || expr) {
            if (full && opts.allowBodyStretch && $.boxModel)
                $('html,body').css('height', '100%'); if ((ie6 || !$.boxModel) && !full) { var t = sz(el, 'borderTopWidth'), l = sz(el, 'borderLeftWidth'); var fixT = t ? '(0 - ' + t + ')' : 0; var fixL = l ? '(0 - ' + l + ')' : 0; }
            $.each([lyr1, lyr2, lyr3], function(i, o) {
                var s = o[0].style; s.position = 'absolute'; if (i < 2) { full ? s.setExpression('height', 'Math.max(document.body.scrollHeight, document.body.offsetHeight) - (jQuery.boxModel?0:' + opts.quirksmodeOffsetHack + ') + "px"') : s.setExpression('height', 'this.parentNode.offsetHeight + "px"'); full ? s.setExpression('width', 'jQuery.boxModel && document.documentElement.clientWidth || document.body.clientWidth + "px"') : s.setExpression('width', 'this.parentNode.offsetWidth + "px"'); if (fixL) s.setExpression('left', fixL); if (fixT) s.setExpression('top', fixT); }
                else if (opts.centerY) { if (full) s.setExpression('top', '(document.documentElement.clientHeight || document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop) + "px"'); s.marginTop = 0; } 
            });
        }
        lyr3.append(msg).show(); if (msg && (msg.jquery || msg.nodeType))
            $(msg).show(); bind(1, el, opts); if (full) {
            pageBlock = lyr3[0]; pageBlockEls = $(':input:enabled:visible', pageBlock); if (opts.focusInput)
                setTimeout(focus, 20);
        }
        else
            center(lyr3[0], opts.centerX, opts.centerY);
    }; function remove(el, opts) {
        var full = el == window; var data = $(el).data('blockUI.history'); opts = $.extend({}, $.blockUI.defaults, opts || {}); bind(0, el, opts); var els = full ? $('body').children().filter('.blockUI') : $('.blockUI', el); if (full)
            pageBlock = pageBlockEls = null; if (opts.fadeOut) { els.fadeOut(opts.fadeOut); setTimeout(function() { reset(els, data, opts, el); }, opts.fadeOut); }
        else
            reset(els, data, opts, el);
    }; function reset(els, data, opts, el) {
        els.each(function(i, o) {
            if (this.parentNode)
                this.parentNode.removeChild(this);
        }); if (data && data.el) { data.el.style.display = data.display; data.el.style.position = data.position; data.parent.appendChild(data.el); $(data.el).removeData('blockUI.history'); }
        if (typeof opts.onUnblock == 'function')
            opts.onUnblock(el, opts);
    }; function bind(b, el, opts) {
        var full = el == window, $el = $(el); if (!b && (full && !pageBlock || !full && !$el.data('blockUI.isBlocked')))
            return; if (!full)
            $el.data('blockUI.isBlocked', b); var events = 'mousedown mouseup keydown keypress click'; b ? $(document).bind(events, opts, handler) : $(document).unbind(events, handler);
    }; function handler(e) {
        if (e.keyCode && e.keyCode == 9) { if (pageBlock && e.data.constrainTabKey) { var els = pageBlockEls; var fwd = !e.shiftKey && e.target == els[els.length - 1]; var back = e.shiftKey && e.target == els[0]; if (fwd || back) { setTimeout(function() { focus(back) }, 10); return false; } } }
        if ($(e.target).parents('div.blockMsg').length > 0)
            return true; return $(e.target).parents().children().filter('div.blockUI').length == 0;
    }; function focus(back) {
        if (!pageBlockEls)
            return; var e = pageBlockEls[back === true ? pageBlockEls.length - 1 : 0]; if (e)
            e.focus();
    }; function center(el, x, y) { var p = el.parentNode, s = el.style; var l = ((p.offsetWidth - el.offsetWidth) / 2) - sz(p, 'borderLeftWidth'); var t = ((p.offsetHeight - el.offsetHeight) / 2) - sz(p, 'borderTopWidth'); if (x) s.left = l > 0 ? (l + 'px') : '0'; if (y) s.top = t > 0 ? (t + 'px') : '0'; }; function sz(el, p) { return parseInt($.css(el, p)) || 0; };
})(jQuery);

// clear out plugin default styling 
$.blockUI.defaults.css = {};