jQuery.fn = jQuery.prototype = {
    constructor: jQuery,
    init: function( selector, context, rootjQuery ) {
        var match, elem, ret, doc;

        // Handle $(""), $(null), or $(undefined)
        if ( !selector ) {
            return this;
        }

        // Handle $(DOMElement)
        if ( selector.nodeType ) {
            this.context = this[0] = selector;
            this.length = 1;
            return this;
        }

        // The body element only exists once, optimize finding it
        if ( selector === "body" && !context && document.body ) {
            this.context = document;
            this[0] = document.body;
            this.selector = selector;
            this.length = 1;
            return this;
        }

        // Handle HTML strings
        if ( typeof selector === "string" ) {
            // Are we dealing with HTML string or an ID?
            if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
                // Assume that strings that start and end with <> are HTML and skip the regex check
                match = [ null, selector, null ];

            } else {
                match = quickExpr.exec( selector );
            }

            // Verify a match, and that no context was specified for #id
            if ( match && (match[1] || !context) ) {

                // HANDLE: $(html) -> $(array)
                if ( match[1] ) {
                    context = context instanceof jQuery ? context[0] : context;
                    doc = ( context ? context.ownerDocument || context : document );

                    // If a single string is passed in and it's a single tag
                    // just do a createElement and skip the rest
                    ret = rsingleTag.exec( selector );

                    if ( ret ) {
                        if ( jQuery.isPlainObject( context ) ) {
                            selector = [ document.createElement( ret[1] ) ];
                            jQuery.fn.attr.call( selector, context, true );

                        } else {
                            selector = [ doc.createElement( ret[1] ) ];
                        }

                    } else {
                        ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
                        selector = ( ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment ).childNodes;
                    }

                    return jQuery.merge( this, selector );

                // HANDLE: $("#id")
                } else {
                    elem = document.getElementById( match[2] );

                    // Check parentNode to catch when Blackberry 4.6 returns
                    // nodes that are no l