SharePoint load remote styles

	"use strict";
	$(document).ready(function () {
	var ctag;
	// Get the URI decoded app web URL.
	var appweburl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));
	// Get the ctag from the SPClientTag token.
	ctag = decodeURIComponent(getQueryStringParameter("SPClientTag"));
	// The resource files are in a URL in the form:
	// web_url/_layouts/15/Resource.ashx
	var scriptbase = appweburl + "/_layouts/15/";
	// Dynamically create the invisible iframe.
	var blankiframe;
	var blankurl;
	var body;
	blankurl = appweburl + "/Pages/blank.html";
	blankiframe = document.createElement("iframe");
	blankiframe.setAttribute("src", blankurl);
	blankiframe.setAttribute("style", "display: none");
	body = document.getElementsByTagName("body");
	body[0].appendChild(blankiframe);
	// Dynamically create the link element.
	var dclink;
	var head;
	dclink = document.createElement("link");
	dclink.setAttribute("rel", "stylesheet");
	dclink.setAttribute("href", scriptbase + "defaultcss.ashx?ctag=" + ctag);
	head = document.getElementsByTagName("head");
	head[0].appendChild(dclink);
	});
	// Function to retrieve a query string value.
	// For production purposes you may want to use
	// a library to handle the query string.
	function getQueryStringParameter(paramToRetrieve) {
	var params;
	var strParams;
	params = document.URL.split("?")[1].split("&");
	strParams = "";
	for (var i = 0; i < params.length; i = i + 1) {
	var singleParam = params[i].split("=");
	if (singleParam[0] == paramToRetrieve)
	return singleParam[1];
	}
	}

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