jQuery function to retrieve the size of an object.

jquery.getObjectLength.js

jQuery.extend({
	getObjectLength: function(obj){
		var length = 0;

		if(typeof obj == 'object') {
			if(Object.keys) {
				length = Object.keys(obj).length;
			} else {
				var i;

				for(i in obj) {
					if(obj.hasOwnProperty(i)) {
						length++;
					}
				}
			}

			return length;
		}

		return false;
	}
});