;(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; // force 'hasLayout'
install(this, opts);
});
};


$.fn.unblock = function(opts) {
return this.each(function() {
remove(this, opts);
});
};
$.blockUI.version = 2.08;
$.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
};
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" 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','document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + "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);