(function($){

		$.fn.jqueryzoom = function(options){

		var settings = {
				xzoom: 200,		//zoomed width default width
				yzoom: 200,		//zoomed div default width
				offset: 10,		//zoomed div default offset
				position: "right"  //zoomed div default position,offset position is to the right of the image
			};

			if(options) {
				$.extend(settings, options);
			}

            var noalt ='';

		$(this).hover(function(){

           
		    var imageLeft = $(this).get(0).offsetLeft;
		    var imageRight = $(this).get(0).offsetRight;
		    var imageTop =  $(this).get(0).offsetTop;
		    var imageWidth = $(this).get(0).offsetWidth;
		    var imageHeight = $(this).get(0).offsetHeight;

		    var bigimage = $(this).attr("alt");
                noalt = $(this).attr("alt");
                $(this).attr("alt",'');
                

		    if($("div.zoomdiv").get().length == 0)
		    	$(this).after("<div class='zoomdiv'><img class='bigimg' src='"+bigimage+"'/></div>");

		    if(settings.position == "right")
		    	leftpos = imageLeft + imageWidth + settings.offset;
		    else	
				leftpos = imageLeft - settings.xzoom - settings.offset;

		    $("div.zoomdiv").css({ top: imageTop,left: leftpos });
		    $("div.zoomdiv").width(settings.xzoom);
		    $("div.zoomdiv").height(settings.yzoom);
		    $("div.zoomdiv").show();

				$(document.body).mousemove(function(e){
				var bigwidth 	= 	$(".bigimg").get(0).offsetWidth;
				var bigheight 	= 	$(".bigimg").get(0).offsetHeight;
				var scaley	 	=	'x';
				var scalex		= 	'y';

				if(isNaN(scalex)|isNaN(scaley)){
					var scalex = Math.round(bigwidth/imageWidth) ;
					var scaley = Math.round(bigheight/imageHeight);
				}

				mouse = new MouseEvent(e);
				scrolly = mouse.y - imageTop - ($("div.zoomdiv").height()*1/scaley)/2 ;
				$("div.zoomdiv").get(0).scrollTop = scrolly * scaley  ;
				scrollx =    mouse.x - imageLeft - ($("div.zoomdiv").width()*1/scalex)/2 ;
				$("div.zoomdiv").get(0).scrollLeft = (scrollx) * scalex ;
			});
		    },function(){
                   $(this).attr("alt",noalt);
		       $("div.zoomdiv").hide();
		       $(document.body).unbind("mousemove");
		       $(".lenszoom").remove();
		       $("div.zoomdiv").remove();
		    });

		}

})(jQuery);
function MouseEvent(e) {
	this.x = e.pageX
	this.y = e.pageY
}