/*var supersleight=function(){var root=false;
	var applyPositioning=true;
	var shim='x.gif';
	var shim_pattern=/x\.gif$/i;
var fnLoadPngs=function(){if(root){root=document.getElementById(root);}else{root=document;}
for(var i=root.all.length-1,obj=null;(obj=root.all[i]);i--){if(obj.currentStyle.backgroundImage.match(/\.png/i)!==null){bg_fnFixPng(obj);}
if(obj.tagName=='IMG'&&obj.src.match(/\.png$/i)!==null){el_fnFixPng(obj);}
if(applyPositioning&&(obj.tagName=='A'||obj.tagName=='INPUT')&&obj.style.position===''){obj.style.position='relative';}}};var bg_fnFixPng=function(obj){var mode='scale';var bg=obj.currentStyle.backgroundImage;var src=bg.substring(5,bg.length-2);if(obj.currentStyle.backgroundRepeat=='no-repeat'){mode='crop';}
obj.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizingMethod='"+mode+"')";obj.style.backgroundImage='url('+shim+')';};var el_fnFixPng=function(img){var src=img.src;img.style.width=img.width+"px";img.style.height=img.height+"px";img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizingMethod='scale')";img.src=shim;};var addLoadEvent=function(func){var oldonload=window.onload;if(typeof window.onload!='function'){window.onload=func;}else{window.onload=function(){if(oldonload){oldonload();}
func();};}};return{init:function(){addLoadEvent(fnLoadPngs);},limitTo:function(el){root=el;},run:function(){fnLoadPngs();}};}();supersleight.init();
*/

jQuery.fn.supersleight = function(settings) {
	settings = jQuery.extend({
		imgs: true,
		backgrounds: true,
		shim: '/templates/live/scripts/x.gif',
		apply_positioning: true
	}, settings);
	
	return this.each(function(){
		if (jQuery.browser.msie && parseInt(jQuery.browser.version, 10) < 7 && parseInt(jQuery.browser.version, 10) > 4) {
			jQuery(this).find('*').andSelf().each(function(i,obj) {
				var self = jQuery(obj);
				// background pngs
				if (settings.backgrounds && self.css('background-image').match(/\.png/i) !== null) {
					var bg = self.css('background-image');
					var src = bg.substring(5,bg.length-2);
					var mode = (self.css('background-repeat') == 'no-repeat' ? 'crop' : 'scale');
					var styles = {
						'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='" + mode + "')",
						'background-image': 'url('+settings.shim+')'
					};
					self.css(styles);
				};
				// image elements
				if (settings.imgs && self.is('img[src$=png]')){
					var styles = {
						'width': self.width() + 'px',
						'height': self.height() + 'px',
						'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + self.attr('src') + "', sizingMethod='scale')"
					};
					self.css(styles).attr('src', settings.shim);
				};
				// apply position to 'active' elements
				if (settings.apply_positioning && self.is('a, input') && (self.css('position') === '' || self.css('position') == 'static')){
					self.css('position', 'relative');
				};
			});
		};
	});
};