analytics/webcontent/fragments/dojoCheck.js

//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products:  cpscrn

//
//    (C) Copyright IBM Corp. 2005, 2011
//
//    US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//
//
// only load Dojo if it is not already loaded.
if (typeof dojo == "undefined") {
	var nodes = document.getElementsByTagName("SCRIPT");
	var l = nodes.length;

	// Find the $WEB$ environment variable 
	foundweb: for (var i = 0; i < l; i++) {
		var attrs = nodes[i].attributes;
		for (var j = 0; j < attrs.length; j++) {
			if (attrs[j].nodeName == "src") {
				if (attrs[j].nodeValue.indexOf("?web=") > 0) {
					var web = attrs[j].nodeValue.substring(attrs[j].nodeValue.indexOf("?web=")+5, attrs[j].nodeValue.length);
					break foundweb;
				}
				break;
			}
		}
	}

	// If the value of web is not passed into dojoCheck then get from _F_Config.
	if (typeof web == "undefined") {
		if (typeof _F_Config != "undefined") {
			var web = _F_Config.webContent;
		}
		else if (typeof console != "undefined") {
			console.error("Unable to find web content directory.  Dojo not loaded.");
		}
	}
	
	// Make sure the web variable has been set before trying to load Dojo
	if (typeof web != "undefined") {
		// Set the djConfig once
		djConfig = {
		    parseOnLoad: true,
		    baseUrl: web + "/dojo16/dojo/"
		}

		// Inject the Dojo script tag into the head of the webpage.
		if (document.getElementsByTagName("head")[0] != null) {
			var head = document.getElementsByTagName("head")[0];
			var newscript= document.createElement('script');
			newscript.type = 'text/javascript';
			newscript.setAttribute("src", djConfig.baseUrl+"dojo.js");
			head.appendChild(newscript);
		}
	}
}