/*
Licensed Materials - Property of IBM
IBM Cognos Products: DOCS
© Copyright IBM Corp. 1999, 2013.
US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*/


function encodeJS(str) {
	var out = '';
	for(var i=0; i<str.length; i++) {
		var ch = str.charAt(i);
	    if(ch === '<') {
             out += '\\x3c';
         } else if(ch === '>') {
             out += '\\x3e';
         } else if(ch === "'") {
             out += '\\x27'; 
         } else if(ch === '"') {
             out += '\\x22';                        
		 } else if(ch === '\\') {
			 out += '\\x5c';
         } else {
             out += ch;
         }	
	}
	return out;                
}

function init(newVersion)
{
	var query = parseHash(window.location.href); // read URL for topic/section info
	var sCurrentTopic = "";
	var sDirTopics = "";
	var sHelpIDtopic = "";

	// determine current helpID topic reference, and use over any other info
	if( query['helpid'] && (query['helpid'] != "") ) {
		// determine which file the helpid/topicalias is in
		sHelpIDtopic = checkHelpID(query['helpid']);
		sCurrentTopic = (sHelpIDtopic && (sHelpIDtopic!= "")) ? (sHelpIDtopic) : welcomeTopic; // welcomeTopic globally defined variable 
		sCurrentTopic += (query['helpid'] && (query['helpid'] != "")) ? ("#" + query['helpid']) : "";
	}
	else {
		// determine current topic and section html info
		sCurrentTopic = (query['topic'] && (query['topic'] != "")) ? (query['topic'] + ".html") : welcomeTopic; // welcomeTopic globally defined variable 
		sCurrentTopic += (query['section'] && (query['section'] != "")) ? ("#" + query['section']) : "";
}

	// determine full path to html
	var sDirString = window.location.href.substring(0, window.location.href.indexOf('?') );
	var nPos = sDirString.lastIndexOf('/');
	sDirTopics = (nPos != -1) ? window.location.href.substring(0, nPos + 1) : "";

	sCurrentTopic = sDirTopics + sCurrentTopic;
	sCurrentTopic = encodeJS(sCurrentTopic);

	sTabs = sDirTopics + sTabs; // sTabs globally defined variable

//commenting out the two lines below because of a change needed to allow our files to work properly in a secure environment
if (!newVersion) {
	window.tab.location.href = sTabs;
	window.content.location.href = sCurrentTopic;
}
else {

//return the result of the topic that was found so that the frame src attribute can be populated in the <bookname>.html and <bookname>_a.html files
//sTabs has already been determined by the server and the variable in the template file replaced with the appropriate value for that book.
	return sCurrentTopic;
}
}

function parseHash(s)
{
	var query = new Array();
	var nPos = s.indexOf("?");

	if (nPos != -1)
	{
		s = s.substring(nPos + 1, s.length);
		var sPair = "";
		while (s != "")
		{
			nPos = s.indexOf("&");
			if (nPos == -1) { sPair = s; s = ""; }
			else {	sPair = s.substring(0, nPos); s = s.substring(nPos + 1, s.length); }
			nPos = sPair.indexOf("=");
			if (nPos != -1) query[sPair.substring(0, nPos)] = unescape(sPair.substring(nPos + 1, sPair.length));
		}
	}

	return query;
}