}
});
},
pushStack: function(a,args) {
var fn = args && args[args.length-1];
var fn2 = args && args[args.length-2];
if ( fn && fn.constructor != Function ) fn = null;
if ( fn2 && fn2.constructor != Function ) fn2 = null;
if ( !fn ) {
if ( !this.stack ) this.stack = [];
this.stack.push( this.get() );
this.set( a );
} else {
var old = this.get();
this.set( a );
if ( fn2 && a.length || !fn2 )
this.each( fn2 || fn ).set( old );
else
this.set( old ).each( fn );
}
return this;
}
};
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
var target = arguments[0],
a = 1;
// extend jQuery itself if only one argument is passed
if ( arguments.length == 1 ) {
target = this;
a = 0;
}
var prop;
while (prop = arguments[a++])
// Extend the base object
