//# ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- //
//# GRAYSCALE
var grayscale=function(){var e={colorProps:["color","backgroundColor","borderBottomColor","borderTopColor","borderLeftColor","borderRightColor","backgroundImage"],externalImageHandler:{init:function(e,t){if(e.nodeName.toLowerCase()==="img"){}else{r(e).backgroundImageSRC=t;e.style.backgroundImage=""}},reset:function(e){if(e.nodeName.toLowerCase()==="img"){}else{e.style.backgroundImage="url("+(r(e).backgroundImageSRC||"")+")"}}}},t=function(){try{window.console.log.apply(console,arguments)}catch(e){}},n=function(e){return(new RegExp("https?://(?!"+window.location.hostname+")")).test(e)},r=function(){var e=[0],t="data"+ +(new Date);return function(n){var r=n[t],i=e.length;if(!r){r=n[t]=i;e[r]={}}return e[r]}}(),i=function(e,t,n){var s=document.createElement("canvas"),u=s.getContext("2d"),a=e.naturalHeight||e.offsetHeight||e.height,f=e.naturalWidth||e.offsetWidth||e.width,l;s.height=a;s.width=f;u.drawImage(e,0,0);try{l=u.getImageData(0,0,f,a)}catch(c){}if(t){i.preparing=true;var h=0;(function(){if(!i.preparing){return}if(h===a){u.putImageData(l,0,0,0,0,f,a);n?r(n).BGdataURL=s.toDataURL():r(e).dataURL=s.toDataURL()}for(var t=0;t<f;t++){var c=(h*f+t)*4;l.data[c]=l.data[c+1]=l.data[c+2]=o(l.data[c],l.data[c+1],l.data[c+2])}h++;setTimeout(arguments.callee,0)})();return}else{i.preparing=false}for(var h=0;h<a;h++){for(var p=0;p<f;p++){var d=(h*f+p)*4;l.data[d]=l.data[d+1]=l.data[d+2]=o(l.data[d],l.data[d+1],l.data[d+2])}}u.putImageData(l,0,0,0,0,f,a);return s},s=function(e,t){var n=document.defaultView&&document.defaultView.getComputedStyle?document.defaultView.getComputedStyle(e,null)[t]:e.currentStyle[t];if(n&&/^#[A-F0-9]/i.test(n)){var r=n.match(/[A-F0-9]{2}/ig);n="rgb("+parseInt(r[0],16)+","+parseInt(r[1],16)+","+parseInt(r[2],16)+")"}return n},o=function(e,t,n){return parseInt(.2125*e+.7154*t+.0721*n,10)},u=function(e){var t=Array.prototype.slice.call(e.getElementsByTagName("*"));t.unshift(e);return t};var a=function(t){if(t&&t[0]&&t.length&&t[0].nodeName){var f=Array.prototype.slice.call(t),l=-1,c=f.length;while(++l<c){a.call(this,f[l])}return}t=t||document.documentElement;if(!document.createElement("canvas").getContext){t.style.filter="progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";t.style.zoom=1;return}var h=u(t),p=-1,d=h.length;while(++p<d){var v=h[p];if(v.nodeName.toLowerCase()==="img"){var m=v.getAttribute("src");if(!m){continue}if(n(m)){e.externalImageHandler.init(v,m)}else{r(v).realSRC=m;try{v.src=r(v).dataURL||i(v).toDataURL()}catch(g){e.externalImageHandler.init(v,m)}}}else{for(var y=0,b=e.colorProps.length;y<b;y++){var w=e.colorProps[y],E=s(v,w);if(!E){continue}if(v.style[w]){r(v)[w]=E}if(E.substring(0,4)==="rgb("){var S=o.apply(null,E.match(/\d+/g));v.style[w]=E="rgb("+S+","+S+","+S+")";continue}if(E.indexOf("url(")>-1){var x=/\(['"]?(.+?)['"]?\)/,T=E.match(x)[1];if(n(T)){e.externalImageHandler.init(v,T);r(v).externalBG=true;continue}try{var N=r(v).BGdataURL||function(){var e=document.createElement("img");e.src=T;return i(e).toDataURL()}();v.style[w]=E.replace(x,function(e,t){return"("+N+")"})}catch(g){e.externalImageHandler.init(v,T)}}}}}};a.reset=function(t){if(t&&t[0]&&t.length&&t[0].nodeName){var i=Array.prototype.slice.call(t),s=-1,o=i.length;while(++s<o){a.reset.call(this,i[s])}return}t=t||document.documentElement;if(!document.createElement("canvas").getContext){t.style.filter="progid:DXImageTransform.Microsoft.BasicImage(grayscale=0)";return}var f=u(t),l=-1,c=f.length;while(++l<c){var h=f[l];if(h.nodeName.toLowerCase()==="img"){var p=h.getAttribute("src");if(n(p)){e.externalImageHandler.reset(h,p)}h.src=r(h).realSRC||p}else{for(var d=0,v=e.colorProps.length;d<v;d++){if(r(h).externalBG){e.externalImageHandler.reset(h)}var m=e.colorProps[d];h.style[m]=r(h)[m]||""}}}};a.prepare=function(e){if(e&&e[0]&&e.length&&e[0].nodeName){var t=Array.prototype.slice.call(e),o=-1,f=t.length;while(++o<f){a.prepare.call(null,t[o])}return}e=e||document.documentElement;if(!document.createElement("canvas").getContext){return}var l=u(e),c=-1,h=l.length;while(++c<h){var p=l[c];if(r(p).skip){return}if(p.nodeName.toLowerCase()==="img"){if(p.getAttribute("src")&&!n(p.src)){i(p,true)}}else{var d=s(p,"backgroundImage");if(d.indexOf("url(")>-1){var v=/\(['"]?(.+?)['"]?\)/,m=d.match(v)[1];if(!n(m)){var g=document.createElement("img");g.src=m;i(g,true,p)}}}}};return a}()


// # INIT GRAYSCALE
$(document).ready(function() {

  //:
	if ( getInternetExplorerVersion() >= 10 ) {
    var grayscaleImages	= '.wrapPartners .Area a img';
		var fixClassSlider  = '.wrapPartners .Section[data-logos-box="small"] .flexSlider.Carousel';

		$(grayscaleImages).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':'5', 'opacity': '0'}).insertBefore(el).queue(function() {
				var el = $(this);
				el.parent().css({'width': this.width, 'height': this.height});
				el.dequeue();
			});

			this.src = grayscaleIE10(this.src);
		});

		$(fixClassSlider).addClass('ieFix');

		$(grayscaleImages)
		.on('mouseenter', function(e) {
			$(this).parent().find('img:first').stop(true, true).animate({ opacity: 1 }, 250);
		})
		.on('mouseleave', function(e) {
			$('.img-grayscale').stop(true, true).animate({ opacity: 0 }, 250);
		});

		function grayscaleIE10(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();
		};
	};

	//:
	function getInternetExplorerVersion() {
		var rv = -1;

		if ( navigator.appName == 'Microsoft Internet Explorer' ) {
			var ua = navigator.userAgent;
			var re  = new RegExp('MSIE ([0-9]{1,}[\.0-9]{0,})');
			if ( re.exec(ua) != null )
			rv = parseFloat( RegExp.$1 );
		}
		else if ( navigator.appName == 'Netscape' ) {
			var ua = navigator.userAgent;
			var re  = new RegExp('Trident/.*rv:([0-9]{1,}[\.0-9]{0,})');
			if ( re.exec(ua) != null )
			rv = parseFloat( RegExp.$1 );
		}

		return rv;
	};

});