/*
 * jQuery textShadow plugin
 * Version 1.1 (26/02/2010)
 * @requires jQuery v1.2+
 *
 * Copyright (c) 2008 - 2010 Kilian Valkhof (kilianvalkhof.com)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * mod 1.2
 *
 *
 */
(function($){
	$.fn.textShadow = function(useroptions) {
		return this.each(function() {
			var obj = $(this);
			obj.removeTextShadow();
			var shadowarray= useroptions.split(" ");

			var sradi = parseInt(shadowarray[3], 10);
			var text = "<span class='jQshad'>" + obj.html() + "</span>";
			var srfactor = shadowarray[5];


			var padding = {
				left:parseInt(obj.css("padding-left"), 10)-parseInt(sradi/srfactor),
				top:parseInt(obj.css("padding-top"), 10)-parseInt(sradi/srfactor)
			};


			var options = {
				color: shadowarray[0],
				radius: sradi,
				xoffset: parseInt(shadowarray[1], 10)-1+(padding.left-sradi) + "px",
				yoffset: parseInt(shadowarray[2], 10)-1+(padding.top-sradi) + "px",
				opacity: parseInt(shadowarray[4], 10)
			};

            var filtertext = "progid:DXImageTransform.Microsoft.Glow(Color="+options.color+",Strength="+(options.radius/srfactor)+") progid:DXImageTransform.Microsoft.Blur(pixelradius="+options.radius+", enabled='true') progid:DXImageTransform.Microsoft.Alpha(opacity="+options.opacity+")";

			if($.browser.msie && options != "") {
				obj.css({"position":"relative","zoom":"1"}).append(text);
				obj.children("span.jQshad").css({
					"position":"absolute",
					"z-index":"-1",
					"zoom":"1",
					"left":options.xoffset,
					"top":options.yoffset,
					"color":options.color,
					"filter":filtertext,
					"-ms-filter":filtertext
				});

			}
		});
	};

	$.fn.removeTextShadow = function() {
		return this.each(function() {
			$(this).children("span.jQshad").remove();
		});
	};
})(jQuery);