$(document).ready(function() {
	// slider
		
	$('.menu a').hover(function(){$(this).stop().animate({backgroundPosition:'50% -30px'},600,'easeOutElastic')}, function(){$(this).stop().animate({backgroundPosition:'50% -100px'},400)});
	$('#rss').hover(function(){$(this).stop().animate({paddingTop:'10'}, 600, 'easeOutElastic')}, function(){$(this).stop().animate({paddingTop:'0'}, 200)});
});

$(window).load(function() {

	$(".to_grayscale img").each(function() { 
		//to_grayscale(this);
		this.style.display="inline";
	} );
	
	
   $('#slider').nivoSlider({
        effect:'fold', //Specify sets like: 'fold,fade,sliceDown, sliceDownLeft, sliceUp, sliceUpLeft, sliceUpDown, sliceUpDownLeft' 
        slices:17, //17
        animSpeed:500,
        pauseTime:6000,
        startSlide:0, //Set starting Slide (0 index)
        directionNav:false, //Next & Prev
        directionNavHide:false, //Only show on hover
        controlNav:false, //1,2,3...
        controlNavThumbs:false, //Use thumbnails for Control Nav
        controlNavThumbsFromRel:false, //Use image rel for thumbs
        controlNavThumbsSearch: '.jpg', //Replace this with...
        controlNavThumbsReplace: '_th.jpg', //...this in thumb Image src
        keyboardNav:true, //Use left & right arrows
        pauseOnHover:true, //Stop animation while hovering
        manualAdvance:false, //Force manual transitions
        captionOpacity:1, //Universal caption opacity
        beforeChange: function(){},
        afterChange: function(){Cufon.refresh();},
        slideshowEnd: function(){} //Triggers after all slides have been shown
    });
   Cufon.refresh();
});


	function turn_back(id)
	{
		
		document.getElementById(id).src = '';
		
		setTimeout("xaaa('"+id+"')",2000);
	}
	
	function xaaa(id)
	{
		document.getElementById(id+'_img').src = document.getElementById(id+'_img').innerHTML;
	}

   function to_grayscale(imgObj)
   {
   
            if($.browser.msie){
                grayscaleImageIE(imgObj);
            } else {
                imgObj.src = grayscaleImage(imgObj);
            }           
    }

    function grayscaleImageIE(imgObj)
    {
        imgObj.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
    }

    function grayscaleImage(imgObj)
    {
        var canvas = document.createElement('canvas');
        var canvasContext = canvas.getContext('2d');
        
        var imgW = imgObj.width;
        var imgH = imgObj.height;
        canvas.width = imgW;
        canvas.height = imgH;
        
        canvasContext.drawImage(imgObj, 0, 0);
        var imgPixels = canvasContext.getImageData(0, 0, imgW, imgH);
        
        for(var y = 0; y < imgPixels.height; y++){
            for(var x = 0; x < imgPixels.width; x++){
                var i = (y * 4) * imgPixels.width + x * 4;
                var avg = (imgPixels.data[i] + imgPixels.data[i + 1] + imgPixels.data[i + 2]) / 3;
                imgPixels.data[i] = avg; 
                imgPixels.data[i + 1] = avg; 
                imgPixels.data[i + 2] = avg;
            }
        }
        
        canvasContext.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
        return canvas.toDataURL();
    }