var d  = document;
//following values identify nodes in XML doc
//they are shortened to compact the code
//but otherwise adhere to usage of jkl-parsexml.js file
var qu = "questionnaire";
var s  = "section";
var ss = "sections";
var q  = "question";
var qs = "questions";
var a  = "answer";
var as = "answers";

function WriteQuaireRadioButtons(){
	for (sec=0;sec<=data[qu][ss][s].length-1;sec++){// section loop
		// following line is a workaround:
		// if there is only one section, then it is not treated as an array and loops break, 
		// so we keep a minimum of two sections and simply don't display number two
		if (data[qu][ss][s][sec]["display"]=="true"){
			if (data[qu][ss]["showtitles"]=="true"){
				d.write( "<tr><td><strong>");
				d.write(data[qu][ss][s][sec]["title"]);// write section title
				d.write("</strong><br/><br/></td></tr>");
			}
			d.write("<tr><td>\n<ol start='" + data[qu][ss][s][sec]["startnum"]  + "'>");// open (numbered) list 
			for(que=0;que<=data[qu][ss][s][sec][qs][q].length-1;que++){	// question loop
				d.write("<li>"				+	data[qu][ss][s][sec][qs][q][que]["title"]	+	"<br/>");// write question
				for(ans=0;ans<=data[qu][ss][s][sec][qs][q][que][as][a].length-1;ans++){	// answer loop
					d.write("<input type='radio' value='" + ans + "' ID='rdoS" + sec + "G" + que + "A" + ans + "' NAME='rdoGrpS" + sec + "Q" + que + "'>");//start radio button
					if (parseInt(data[qu][ss][s][sec][qs]["startanswersat"])>=0){//if >=0 then show, otherwise hide
						d.write((ans+parseInt(data[qu][ss][s][sec][qs]["startanswersat"])));// write answer number
					}				
					d.write("&nbsp;" + data[qu][ss][s][sec][qs][q][que][as][a][ans]);//write answer text
					d.write("</input><br/>");// close radio button
				}
			}
		}
	}
}

function ValidateQuaireInput(){
	var totalNumQus=0;
	var numChecked=0;

	for (sec=0;sec<=data[qu][ss][s].length-1;sec++){	// section loop
		// following line is a workaround:
		// if there is only one section, then it is not treated as an array and loops break, 
		// so we keep a minimum of two sections and simply don't display number two
		if (data[qu][ss][s][sec]["display"]=="true"){
			for(que=0;que<=data[qu][ss][s][sec][qs][q].length-1;que++){	// question loop
				document.getElementById("unansS" + sec + "Q" + que).style.display='none'; //turn off warnings
				thisQueAnswered = false // reset answer counter
				for(ans=0;ans<=data[qu][ss][s][sec][qs][q][que][as][a].length-1;ans++){	// answer loop
					button = eval('document.forms["theQuaireForm"].rdoGrpS' + sec + "Q" + que)[ans];//check this radio button
					if (button.checked) {
						thisQueAnswered = true //we're good this question has an answer
						numChecked++;//add that up
						hdnFld = eval('document.forms["sendAnswers"].s' + sec + 'q' + que)//populate hidden text for passing to querystring
						hdnFld.value = ans;
					}
				}		
				totalNumQus++;
				if (!thisQueAnswered){
					document.getElementById("unansS" + sec + "Q" + que).style.display='block';
				}
			}
		}
	}
	if (numChecked==totalNumQus){
		sendAnalyticsEvent("Checklist-Submission")//interacts with Omniture code
		document.forms["sendAnswers"].submit()
	}
}

function WriteQuaireResults(){							
	for (sec=0;sec<=data[qu][ss][s].length-1;sec++){	// section loop
		// following line is a workaround:
		// if there is only one section, then it is not treated as an array and loops break, 
		// so we keep a minimum of two sections and simply don't display number two
		if (data[qu][ss][s][sec]["display"]=="true"){
			var tally=0;		
						if (data[qu][ss]["showtitles"]=="true"){
							d.write( "<tr><td><strong>"		+	data[qu][ss][s][sec]["title"]						+	"</strong><br/><br/></td></tr>");
						}
			d.write("<tr><td>\n<ol start='" + data[qu][ss][s][sec]["startnum"]  + "'>");
			for(que=0;que<=data[qu][ss][s][sec][qs][q].length-1;que++){	// question loop
				d.write("<li>"				+	data[qu][ss][s][sec][qs][q][que]["title"]	+	"<br/>");
				for(ans=0;ans<=data[qu][ss][s][sec][qs][q][que][as][a].length-1;ans++){	// answer loop
					if (GrabFromQueryString('s'+sec+'q'+que)==ans){
						document.write('<img src="image/box_checked.gif" width="13" height="13" />');
						tally+=ans;
					}
					else{
						document.write('<img src="image/box_uncheck.gif" width="13" height="13" />');
					}
					if (parseInt(data[qu][ss][s][sec][qs]["startanswersat"])>=0){//if >=0 then show, otherwise hide
						d.write("&nbsp;&nbsp;" + ans);
					}
					d.write("&nbsp;&nbsp;" + data[qu][ss][s][sec][qs][q][que][as][a][ans]	+	"<br/>");
				}
			}
			if (typeof(data[qu][ss][s][sec]["comment1"])!="undefined"){
				d.write("<p>" + data[qu][ss][s][sec]["comment1"] + tally + ".</p>");//the tally
			}
			if (typeof(data[qu][ss][s][sec]["comment2"])!="undefined"){
				d.write("<p>" + data[qu][ss][s][sec]["comment2"] + "</p>");//flat comment
			}
			d.write("</ol>");
		}
	}
}

function GrabFromQueryString(name){
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var results = regex.exec( window.location.href );
	if( results == null ) {
		return ""
	}
	else {
		return results[1];
	}
}