// javascript document

// popup

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=1,statusbar=0,menubar=1,resizable=1,width=400,height=500,left = 312,top = 134');");
}

// validate radio

function validate(frm, btnName, start, total) {

var valid;

isvalid=start-1;

// loop from the first to the last question
for(i=start; i<=total; i++) {

// capture just the F_SUS_ part
btnName=btnName.substring(0,6);

// add to it the number, for example F_SUS_1
btnName=btnName+i;

// grab that radio group from the form
var btn = frm[btnName];

// loop through each radio button in the radio group
for (var x = 0;x < btn.length; x++)
{
	
// valid if its checked
valid = btn[x].checked
if (valid) {
	// add 1 to the valid count
	isvalid++;
}
}
}

// if the number of questions answered does not equal the total
if(isvalid!=total)
{
// not valid
// alert('total questions on page = '+total);
// alert('total questions answered = '+isvalid);
alert("Please answer every question on this page.");
return false;
}
else
{
// valid
// alert('total questions on page = '+total);
// alert('total questions answered = '+isvalid);
// alert('FORM VALIDATED');
return true;
}

}

// some dreamweaver function

function SymError()
{
  return true;
}

window.onerror = SymError;

var SymRealWinOpen = window.open;

function SymWinOpen(url, name, attributes)
{
  return (new Object());
}

window.open = SymWinOpen;

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

// dennis highlight code

function toggleCell(rowNum,rowLbl) {
	var leftSideValue	= 0;
	var rightSideValue	= 0;
	var el				= document.getElementById('row'+rowNum+'Title');
	
	// get the value on the left side
	for(i=0, n=document['theForm']['P_'+rowLbl+'_'+rowNum].length; i<n; i++) {
		if(document['theForm']['P_'+rowLbl+'_'+rowNum][i].checked) {
			leftSideValue = document['theForm']['P_'+rowLbl+'_'+rowNum][i].value;
			break;
		}
	}
	
	// get the value on the right side
	for(i=0, n=document['theForm']['F_'+rowLbl+'_'+rowNum].length; i<n; i++) {
		if(document['theForm']['F_'+rowLbl+'_'+rowNum][i].checked) {
			rightSideValue = document['theForm']['F_'+rowLbl+'_'+rowNum][i].value;
			break;
		}
	}

	// do a bitwise OR of the 2 values -- if you get a value >= 4, highlight the row, else, turn it back.
	if((leftSideValue | rightSideValue) >= 4) {
		el.style.backgroundColor = '#aef9ae';
	} else {
		el.style.backgroundColor = '';
	}
}

// highlight stressful questions on refresh

function initializeRowColors(rowStart,rowEnd,rowName) {
	for(j=rowStart; j<=rowEnd; j++) {
		toggleCell(j,rowName);
	}
}

// suceptibility section

function toggleCellSus(rowNum,rowLbl) {
	var rightSideValue	= 0;
	var el				= document.getElementById('row'+rowNum+'Title');
	
	// get the value on the right side
	for(i=0, n=document['theForm']['F_'+rowLbl+'_'+rowNum].length; i<n; i++) {
		if(document['theForm']['F_'+rowLbl+'_'+rowNum][i].checked) {
			rightSideValue = document['theForm']['F_'+rowLbl+'_'+rowNum][i].value;
			break;
		}
	}

	// do a bitwise OR of the 2 values -- if you get a value >= 4, highlight the row, else, turn it back.
	if((rightSideValue) >= 4) {
		el.style.backgroundColor = '#aef9ae';
	} else {
		el.style.backgroundColor = '';
	}
}

// SUS highlight stressful questions on refresh

function initializeRowColorsSus(rowStart,rowEnd,rowName) {
	for(j=rowStart; j<=rowEnd; j++) {
		toggleCellSus(j,rowName);
	}
}

// display system date in header

function getCalendarDate()
{
   var months = new Array(13);
   months[0]  = "January";
   months[1]  = "February";
   months[2]  = "March";
   months[3]  = "April";
   months[4]  = "May";
   months[5]  = "June";
   months[6]  = "July";
   months[7]  = "August";
   months[8]  = "September";
   months[9]  = "October";
   months[10] = "November";
   months[11] = "December";
   var now         = new Date();
   var monthnumber = now.getMonth();
   var monthname   = months[monthnumber];
   var monthday    = now.getDate();
   var year        = now.getYear();
   if(year < 2000) { year = year + 1900; }
   var dateString = monthname + 
                    ' ' + 
                    monthday + 
                    ', ' + 
                    year;
   return dateString;
}

// layer code

var SymRealOnLoad;
var SymRealOnUnload;

function SymOnUnload()
{
  window.open = SymWinOpen;
  if(SymRealOnUnload != null)
     SymRealOnUnload();
}

function SymOnLoad()
{
  if(SymRealOnLoad != null)
     SymRealOnLoad();
  window.open = SymRealWinOpen;
  SymRealOnUnload = window.onunload;
  window.onunload = SymOnUnload;
}

SymRealOnLoad = window.onload;
window.onload = SymOnLoad;