// grayscale 




	
	// On window load. This waits until images have loaded which is essential
	$(window).load(function(){
		
		// Fade in images so there isn't a color "pop" document load and then on window load
		$(".agnis_gallery img").fadeIn(500);
		
		// clone image
		$('.agnis_gallery img').each(function(){
			var el = $(this);
			el.css({"position":"absolute"}).wrap("<div class='img_wrapper' style='display: inline-block'>").clone().addClass('img_grayscale').css({"position":"absolute","z-index":"998","opacity":"0"}).insertBefore(el).queue(function(){
				var el = $(this);
				el.parent().css({"width":this.width,"height":this.height});
				el.dequeue();
			});
			this.src = grayscale(this.src);
		});
		
		// Fade image 
		$('.agnis_gallery img').mouseover(function(){
			$(this).parent().find('img:first').stop().animate({opacity:1}, 500);
		})
		$('.img_grayscale').mouseout(function(){
			$(this).stop().animate({opacity:0}, 500);
		});		
	});
	
	// Grayscale w canvas method
	function grayscale(src){
		var canvas = document.createElement('canvas');
		var ctx = canvas.getContext('2d');
		var imgObj = new Image();
		imgObj.src = src;
		canvas.width = imgObj.width;
		canvas.height = imgObj.height; 
		ctx.drawImage(imgObj, 0, 0); 
		var imgPixels = ctx.getImageData(0, 0, canvas.width, canvas.height);
		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;
			}
		}
		ctx.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
		return canvas.toDataURL();
    }
	
// end grayscale


// bg strecher

	$(document).ready(function(){
        //  Initialize Backgound Stretcher	   
		$('.bgstrecherC').bgStretcher({
			images: ['img/img_01.jpg'],
			imageWidth: 1000, 
			imageHeight: 623, 
			slideDirection: 'N',
			slideShowSpeed: 1000,
			transitionEffect: 'fade',
			sequenceMode: 'normal',
			buttonPrev: '#prev',
			buttonNext: '#next',
			pagination: '#nav',
			anchoring: 'left center',
			anchoringImg: 'left center'
		});
		
	});	
	
// end bgstrecher



$(document).ready(function() {
	$.piroBox_ext({
	piro_speed :500,
	bg_alpha : 0.7,
	piro_scroll : true,
	piro_drag :false,
	piro_nav_pos: 'bottom'
});
});	



// tooltip

$(function() { 
$.balloon.defaults.classname = "agnis-tooltip";
$.balloon.defaults.css = null;

$('.agnis_tooltip').balloon(
{
 tipSize: 24,
 onDuration: "slow",
 
onAnimation: function(d) { this.fadeIn(d); },
offDuration: "slow",
offAnimation: function(d) { this.fadeOut(d); }
 

});
	});
	
// end tooltip