// jQuery ifixpng plugin 2.1
(function ($) {

	$.ifixpng = function (customPixel) {
		$.ifixpng.pixel = customPixel;
	};

	$.ifixpng.getPixel = function () {
		return $.ifixpng.pixel || 'g/x.gif';
	};

	var hack = {
		ltie7: $.browser.msie && $.browser.version < 7,
		filter: function (src) {
			return "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=crop,src='" + src + "')";
		}
	};

	$.fn.ifixpng = hack.ltie7 ?
	function () {
		return this.each(function () {
			var $$ = $(this);
			var base = $('base').attr('href');
			if (base) {
				base = base.replace(/\/[^\/]+$/, '/');
			}
			if ($$.is('img') || $$.is('input')) {
				if ($$.attr('src')) {
					if ($$.attr('src').match(/.*\.png([?].*)?$/i)) {
						var source = (base && $$.attr('src').search(/^(\/|http:)/i)) ? base + $$.attr('src') : $$.attr('src');
						$$.css({
							filter: hack.filter(source),
							width: $$.width(),
							height: $$.height()
						}).attr({
							src: $.ifixpng.getPixel()
						}).positionFix();
					}
				}
			} else {
				var image = $$.css('backgroundImage');
				if (image.match(/^url\(["']?(.*\.png([?].*)?)["']?\)$/i)) {
					image = RegExp.$1;
					image = (base && image.substring(0, 1) != '/') ? base + image : image;
					$$.css({
						backgroundImage: 'none',
						filter: hack.filter(image)
					}).children().children().positionFix();
				}
			}
		});
	} : function () {
		return this;
	};

	$.fn.iunfixpng = hack.ltie7 ?
	function () {
		return this.each(function () {
			var $$ = $(this);
			var src = $$.css('filter');
			if (src.match(/src=["']?(.*\.png([?].*)?)["']?/i)) {
				src = RegExp.$1;
				if ($$.is('img') || $$.is('input')) {
					$$.attr({
						src: src
					}).css({
						filter: ''
					});
				} else {
					$$.css({
						filter: '',
						background: 'url(' + src + ')'
					});
				}
			}
		});
	} : function () {
		return this;
	};

	$.fn.positionFix = function () {
		return this.each(function () {
			var $$ = $(this);
			var position = $$.css('position');
			if (position != 'absolute' && position != 'relative') {
				$$.css({
					position: 'relative'
				});
			}
		});
	};

})(jQuery);