;(function($){
	$.fn.rollover = function(options) {	
		
		var opts = $.extend({}, $.fn.rollover.defaults, options);
			
		var _ua = (function(){
			return {
				ltIE6:typeof window.addEventListener == "undefined" && typeof document.documentElement.style.maxHeight == "undefined",
				ltIE7:typeof window.addEventListener == "undefined" && typeof document.querySelectorAll == "undefined",
				ltIE8:typeof window.addEventListener == "undefined" && typeof document.getElementsByClassName == "undefined"
			}
		})();
		
		if(_ua.ltIE6){
			$(opts.ie6FuncClass).each(function(){
				var self = $(this);
				var width = self.width();
				var height = self.height();	
				$(this)
				.data("src", $(this).attr("src"))
				.attr("src", "/common/images/transparent.gif")
				.css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+$(this).data("src")+"', sizingMethod='scale')");

				if($(this).is("input[type=image]")){
					$(this).css({'width':width,'height':height});
				};
				
				}).mouseover(function(){
					$(this).css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+$(this).data("src").replace(/^(.+)(\.[a-z]+)$/, '$1' + opts.overname + '$2')+"', sizingMethod='scale')");
				}).mouseout(function(){
					$(this).css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+$(this).data("src")+"', sizingMethod='scale')");
			});	
			$(opts.roFuncClass).each(function(){
				var self = $(this);
				var imgChanger = function (elm, a_str1, a_str2){
					elm.attr('src', self.attr('src').replace(new RegExp('^(\.+)' + a_str1 + '(\\.[a-z]+)$'), '$1' + a_str2 + '$2'));
				}
				self.mouseover(function(){
					imgChanger(self, '', opts.overname);
				})
				.mouseout(function(){
					imgChanger(self, opts.overname, '');
				})
				.each(function(){
					imgChanger($('<img>'), '', opts.overname);
				});
			});			
		}else{		
			$(opts.roFuncClass).each(function(){
				var self = $(this);
				var imgChanger = function (elm, a_str1, a_str2){
					elm.attr('src', self.attr('src').replace(new RegExp('^(\.+)' + a_str1 + '(\\.[a-z]+)$'), '$1' + a_str2 + '$2'));
				}
				self.mouseover(function(){
					imgChanger(self, '', opts.overname);
				})
				.mouseout(function(){
					imgChanger(self, opts.overname, '');
				})
				.each(function(){
					imgChanger($('<img>'), '', opts.overname);
				});
			});
		};		
	};
	
	$.fn.rollover.defaults = {
		overname: '_ov',
		ie6FuncClass: 'img.rollover.fixPngOver,input[type=image].rollover.fixPngOver',
		roFuncClass: 'img.rollover,input[type=image].rollover'
	};
	
})(jQuery);

$(function() {
	$('img,input').rollover({
		overname: '_on',
		ie6FuncClass: 'img.rollover.fixPngOver,input[type=image].rollover.fixPngOver',
		roFuncClass: 'img.rollover,input[type=image].rollover'
	});
});