WebHost/Scripts/js/uikit/vendor/holder.js

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/*!

Holder - 2.3.1 - client side image placeholders
(c) 2012-2014 Ivan Malopinsky / http://imsky.co

Provided under the MIT License.
Commercial use requires attribution.

*/
var Holder = Holder || {};
(function (app, win) {
var system_config = {
	use_svg: false,
	use_canvas: false,
	use_fallback: false
};
var instance_config = {};
var preempted = false;
canvas = document.createElement('canvas');
var dpr = 1, bsr = 1;
var resizable_images = [];

if (!canvas.getContext) {
	system_config.use_fallback = true;
} else {
	if (canvas.toDataURL("image/png")
		.indexOf("data:image/png") < 0) {
		//Android doesn't support data URI
		system_config.use_fallback = true;
	} else {
		var ctx = canvas.getContext("2d");
	}
}

if(!!document.createElementNS && !!document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect){
	system_config.use_svg = true;
	system_config.use_canvas = false;
}

if(!system_config.use_fallback){
    dpr = window.devicePixelRatio || 1,
    bsr = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
}

var ratio = dpr / bsr;

var settings = {
	domain: "holder.js",
	images: "img",
	bgnodes: ".holderjs",
	themes: {
		"gray": {
			background: "#eee",
			foreground: "#aaa",
			size: 12
		},
		"social": {
			background: "#3a5a97",
			foreground: "#fff",
			size: 12