jQuery.fn._height = jQuery.fn.height;
jQuery.fn._width  = jQuery.fn.width;

jQuery.fn.height = function() {
	if ( this[0] == window )
		return self.innerHeight ||
			jQuery.boxModel && document.documentElement.clientHeight ||
			document.body.clientHeight;

	if ( this[0] == document )
		return Math.max( document.body.scrollHeight, document.body.offsetHeight );

	return this._height(arguments[0]);
};

jQuery.fn.width = function() {
	if ( this[0] == window )
		return self.innerWidth ||
			jQuery.boxModel && document.documentElement.clientWidth ||
			document.body.clientWidth;

	if ( this[0] == document )
		return Math.max( document.body.scrollWidth, document.body.offsetWidth );

	return this._width(arguments[0]);
};

jQuery.fn.innerHeight = function() {
	return this[0] == window || this[0] == document ?
		this.height() :
		this.css('display') != 'none' ?
		 	this[0].offsetHeight - (parseInt(this.css("borderTopWidth")) || 0) - (parseInt(this.css("borderBottomWidth")) || 0) :
			this.height() + (parseInt(this.css("paddingTop")) || 0) + (parseInt(this.css("paddingBottom")) || 0);
};

jQuery.fn.innerWidth = function() {
	return this[0] == window || this[0] == document ?
		this.width() :
		this.css('display') != 'none' ?
			this[0].offsetWidth - (parseInt(this.css("borderLeftWidth")) || 0) - (parseInt(this.css("borderRightWidth")) || 0) :
			this.height() + (parseInt(this.css("paddingLeft")) || 0) + (parseInt(this.css("paddingRight")) || 0);
};

jQuery.fn.outerHeight = function() {
	return this[0] == window || this[0] == document ?
		this.height() :
		this.css('display') != 'none' ?
			this[0].offsetHeight :
			this.height() + (parseInt(this.css("borderTopWidth")) || 0) + (parseInt(this.css("borderBottomWidth")) || 0)
				+ (parseInt(this.css("paddingTop")) || 0) + (parseInt(this.css("paddingBottom")) || 0);
};

jQuery.fn.outerWidth = function() {
	return this[0] == window || this[0] == document ?
		this.width() :
		this.css('display') != 'none' ?
			this[0].offsetWidth :
			this.height() + (parseInt(this.css("borderLeftWidth")) || 0) + (parseInt(this.css("borderRightWidth")) || 0)
				+ (parseInt(this.css("paddingLeft")) || 0) + (parseInt(this.css("paddingRight")) || 0);
};

jQuery.fn.scrollLeft = function() {
	if ( this[0] == window || this[0] == document )
		return self.pageXOffset ||
			jQuery.boxModel && document.documentElement.scrollLeft ||
			document.body.scrollLeft;

	return this[0].scrollLeft;
};

jQuery.fn.scrollTop = function() {
	if ( this[0] == window || this[0] == document )
		return self.pageYOffset ||
			jQuery.boxModel && document.documentElement.scrollTop ||
			document.body.scrollTop;

	return this[0].scrollTop;
};

jQuery.fn.offset = function(options, returnObject) {
	var x = 0, y = 0, elem = this[0], parent = this[0], op, sl = 0, st = 0, options = jQuery.extend({ margin: true, border: true, padding: false, scroll: true }, options || {});
	do {
		x += parent.offsetLeft || 0;
		y += parent.offsetTop  || 0;

		if (jQuery.browser.mozilla || jQuery.browser.msie) {
			var bt = parseInt(jQuery.css(parent, 'borderTopWidth')) || 0;
			var bl = parseInt(jQuery.css(parent, 'borderLeftWidth')) || 0;

			x += bl;
			y += bt;

			if (jQuery.browser.mozilla && parent != elem && jQuery.css(parent, 'overflow') != 'visible') {
				x += bl;
				y += bt;
			}
		}

		if (options.scroll) {
			op = parent.offsetParent;
			do {
				sl += parent.scrollLeft || 0;
				st += parent.scrollTop  || 0;

				parent = parent.parentNode;

				if (jQuery.browser.mozilla && parent != elem && parent != op && jQuery.css(parent, 'overflow') != 'visible') {
					y += parseInt(jQuery.css(parent, 'borderTopWidth')) || 0;
					x += parseInt(jQuery.css(parent, 'borderLeftWidth')) || 0;
				}
			} while (parent != op);
		} else
			parent = parent.offsetParent;

		if (parent && (parent.tagName.toLowerCase() == 'body' || parent.tagName.toLowerCase() == 'html')) {
			if ((jQuery.browser.safari || (jQuery.browser.msie && jQuery.boxModel)) && jQuery.css(parent, 'position') != 'absolute') {
				x += parseInt(jQuery.css(op, 'marginLeft')) || 0;
				y += parseInt(jQuery.css(op, 'marginTop'))  || 0;
			}
			break;
		}
	} while (parent);

	if ( !options.margin) {
		x -= parseInt(jQuery.css(elem, 'marginLeft')) || 0;
		y -= parseInt(jQuery.css(elem, 'marginTop'))  || 0;
	}

	if ( options.border && (jQuery.browser.safari || jQuery.browser.opera) ) {
		x += parseInt(jQuery.css(elem, 'borderLeftWidth')) || 0;
		y += parseInt(jQuery.css(elem, 'borderTopWidth'))  || 0;
	} else if ( !options.border && !(jQuery.browser.safari || jQuery.browser.opera) ) {
		x -= parseInt(jQuery.css(elem, 'borderLeftWidth')) || 0;
		y -= parseInt(jQuery.css(elem, 'borderTopWidth'))  || 0;
	}

	if ( options.padding ) {
		x += parseInt(jQuery.css(elem, 'paddingLeft')) || 0;
		y += parseInt(jQuery.css(elem, 'paddingTop'))  || 0;
	}

	if (options.scroll && jQuery.browser.opera && jQuery.css(elem, 'display') == 'inline') {
		sl -= elem.scrollLeft || 0;
		st -= elem.scrollTop  || 0;
	}

	var returnValue = options.scroll ? { top: y - st, left: x - sl, scrollTop:  st, scrollLeft: sl }
	                                 : { top: y, left: x };

	if (returnObject) { jQuery.extend(returnObject, returnValue); return this; }
	else              { return returnValue; }
};