(function($) {
$.extend($.fn, {
livequery: function(type, fn, fn2) {
var self = this, q;
if ($.isFunction(type))
fn2 = fn, fn = type, type = undefined;
$.each( $.livequery.queries, function(i, query) {
if ( self.selector == query.selector && self.context == query.context &&
type == query.type && (!fn || fn.$lqguid == query.fn.$lqguid) && (!fn2 || fn2.$lqguid == query.fn2.$lqguid) )
return (q = query) && false;
});
q = q || new $.livequery(this.selector, this.context, type, fn, fn2);
q.stopped = false;
q.run();
return this;
},
expire: function(type, fn, fn2) {
var self = this;
if ($.isFunction(type))
fn2 = fn, fn = type, type = undefined;
$.each( $.livequery.queries, function(i, query) {
if ( self.selector == query.selector && self.context == query.context && 
(!type || type == query.type) && (!fn || fn.$lqguid == query.fn.$lqguid) && (!fn2 || fn2.$lqguid == query.fn2.$lqguid) && !this.stopped )
$.livequery.stop(query.id);
});
return this;
}
});
$.livequery = function(selector, context, type, fn, fn2) {
this.selector = selector;
this.context  = context || document;
this.type     = type;
this.fn       = fn;
this.fn2      = fn2;
this.elements = [];
this.stopped  = false;
this.id = $.livequery.queries.push(this)-1;
fn.$lqguid = fn.$lqguid || $.livequery.guid++;
if (fn2) fn2.$lqguid = fn2.$lqguid || $.livequery.guid++;
return this;
};
$.livequery.prototype = {
stop: function() {
var query = this;
if ( this.type )
this.elements.unbind(this.type, this.fn);
else if (this.fn2)
this.elements.each(function(i, el) {
query.fn2.apply(el);
});
this.elements = [];
this.stopped = true;
},
run: function() {
if ( this.stopped ) return;
var query = this;
var oEls = this.elements,
els  = $(this.selector, this.context),
nEls = els.not(oEls);
this.elements = els;
if (this.type) {
nEls.bind(this.type, this.fn);
if (oEls.length > 0)
$.each(oEls, function(i, el) {
if ( $.inArray(el, els) < 0 )
$.event.remove(el, query.type, query.fn);
});
}
else {
nEls.each(function() {
query.fn.apply(this);
});
if ( this.fn2 && oEls.length > 0 )
$.each(oEls, function(i, el) {
if ( $.inArray(el, els) < 0 )
query.fn2.apply(el);
});
}
}
};
$.extend($.livequery, {
guid: 0,
queries: [],
queue: [],
running: false,
timeout: null,
checkQueue: function() {
if ( $.livequery.running && $.livequery.queue.length ) {
var length = $.livequery.queue.length;
while ( length-- )
$.livequery.queries[ $.livequery.queue.shift() ].run();
}
},
pause: function() {
$.livequery.running = false;
},
play: function() {
$.livequery.running = true;
$.livequery.run();
},
registerPlugin: function() {
$.each( arguments, function(i,n) {
if (!$.fn[n]) return;
var old = $.fn[n];
$.fn[n] = function() {
var r = old.apply(this, arguments);
$.livequery.run();
return r;
}
});
},
run: function(id) {
if (id != undefined) {
if ( $.inArray(id, $.livequery.queue) < 0 )
$.livequery.queue.push( id );
}
else
$.each( $.livequery.queries, function(id) {
if ( $.inArray(id, $.livequery.queue) < 0 )
$.livequery.queue.push( id );
});
if ($.livequery.timeout) clearTimeout($.livequery.timeout);
$.livequery.timeout = setTimeout($.livequery.checkQueue, 20);
},
stop: function(id) {
if (id != undefined)
$.livequery.queries[ id ].stop();
else
$.each( $.livequery.queries, function(id) {
$.livequery.queries[ id ].stop();
});
}
});
$.livequery.registerPlugin('append', 'prepend', 'after', 'before', 'wrap', 'attr', 'removeAttr', 'addClass', 'removeClass', 'toggleClass', 'empty', 'remove');
$(function() { $.livequery.play(); });
var init = $.prototype.init;
$.prototype.init = function(a,c) {
var r = init.apply(this, arguments);
if (a && a.selector)
r.context = a.context, r.selector = a.selector;
if ( typeof a == 'string' )
r.context = c || document, r.selector = a;
return r;
};
$.prototype.init.prototype = $.prototype;
})(jQuery);