function goMenu(loc) {
	window.location=loc;
	return true;
	}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function toggleSpecial(el) {
	toggleMenu(el);
}

function preload(img) {
	var a=new Image();
	if(a) {
		a.src=img;
		return a;
	} else {
		return false;
	}
}

window.onload = function() {
	// preload image for nav rollover
	preload("images/linkarrow.gif");
	setOptInClick();
}


function hover(obj,state) {
	if(state){
		obj.className='menuNodeHover';
	} else {
		obj.className='menuNode';
	}
}


function showDetail(loc,title,size)
{
	// show pop window for product details
	var url = loc + "?wintitle=" + title;
	var w;
	var h;
	switch (size)
  {
    case 's':	{ h=350; w=520; break }
    case 'm':	{ h=450; w=600; break }
    case 't':	{ h=500; w=620; break }
    case 'xt':	{ h=550; w=650; break }
    default: 	{ h=450; w=600; break }
  }

	winleft = ( screen.width - w ) -20 ;
	winleft = 200;
	wintop = 200;
	var settings = 'width='+w+',height='+h+',left='+winleft+',top='+wintop+',toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes, status=no';
	if (detailwin && !detailwin.closed) {
		detailwin.location = url;
		} else {
		var detailwin = window.open(url, "detailwin", settings);
	}
	detailwin.focus();
}



// order form functions

function openDir( form ) {
	var newIndex = form.id.selectedIndex;
	if ( newIndex != 0 ) {
		idval = form.id.options[ newIndex ].value;
		orderformurl = "orderproducts.php?id=" + idval
		window.location.assign( orderformurl );
	}
}

function doTotalQty(formObj, fieldset){
	var total = 0;
	var elTotal = document.getElementById(fieldset + '_total');
	var elInf = document.getElementById("inf_" + fieldset);
	var qtyfields = $(fieldset).getElementsByClassName('qty');
	for(var i=0; i<qtyfields.length; i++) {
		tmp = parseInt(qtyfields[i].value,10);
		if(isNaN(tmp)) {tmp = 0; }
		total += tmp;
		}
	elTotal.innerHTML = total + "<input type='hidden' name='total_" + fieldset +"' value='" + total + "' />";
	validateSizeSelects(fieldset);
}

function validateSizeSelects(fieldset){
	/*
	**	@param String fieldset, id field segment for local validation of qty/size pairs
	*/
	var passed = true;
	var tmp, tmpsz;
	var message = "*Required: Select a size for each quantity entered above.";
	var elInf = document.getElementById("inf_" + fieldset);
	var sizefields = $(fieldset).getElementsByClassName('sz');
	var qtyfields = $(fieldset).getElementsByClassName('qty');
	for(var i=0; i<qtyfields.length; i++) {
		tmp = parseInt(qtyfields[i].value,10);
		tmpsz = sizefields[i].selectedIndex;
		if(isNaN(tmp)) { tmp = 0; }
		if (tmp>0 && tmpsz == 0) { passed = false; }
	}
	if (passed) {
		elInf.innerHTML = "";
	} else {
		elInf.innerHTML = message;
	}
	return passed; // bool: all quantities have associated sizes selected.
}

function validateOptionSelects(fieldset){
	/*
	**	@param String fieldset, id field segment for local validation of qty/option sets
	*/
	var passed = true;
	var tmp, tmpsz;
	var message = "*Required: Select options for the quantity entered above.";
	var elInf = document.getElementById("inf_" + fieldset);
	var qtyfields = $(fieldset).getElementsByClassName('qty');
	var optionfields = $(fieldset).getElementsByClassName('opt');

	for(var i=0; i<qtyfields.length; i++) {
		tmp = parseInt(qtyfields[i].value,10);
		if(isNaN(tmp)) { tmp = 0; }
		if (tmp>0) {
			for(var j=0; j<optionfields.length; j++) {
				if ( optionfields[j].selectedIndex == 0 ) {
					// all options required. fail validation if any are not selected.
					passed = false;
				}
			}

		}
	}
	if (passed) {
		elInf.innerHTML = "";
	} else {
		elInf.innerHTML = message;
	}
	return passed; // bool: all quantities have required options selected.
}




function validateOnSubmit(fObj,product) {
	/*
	**	@param Object fObj, document form
	**	@param String product, descriptor for product line to segment validation
	*/
    var elem;
    var errs=0;
    var formObj = fObj;
	var formname = formObj.name;

	switch(formname){

		case 'scansignup':

			var uses = document.getElementById('uses_scanner');
			var elem = document.getElementById('inf_uses_scanner');
			if ( uses.selectedIndex == 0 ) {
				document.getElementById("inf_uses_scanner").innerHTML = "Required";
				errs += 1;
			}

			if (!validateEmail(formObj.email, 'inf_email', true )) errs += 1;
			//if (!validateTelnr(formObj.phone, 'inf_phone', true )) errs += 1;
			//if (!validatePresent(formObj.postal_code, 'inf_postal_code', true )) errs += 1;
			if (!validatePresent(formObj.last_name, 'inf_last_name', true )) errs += 1;
			if (!validatePresent(formObj.first_name, 'inf_first_name', true )) errs += 1;
			break;

		case 'optin':
			if (!validateEmail(formObj.email, 'inf_email', true )) errs += 1;
			if (!validateTelnr(formObj.phone, 'inf_phone', true )) errs += 1;
			if (!validatePresent(formObj.postal_code, 'inf_postal_code', true )) errs += 1;
			if (!validatePresent(formObj.last_name, 'inf_last_name', true )) errs += 1;
			if (!validatePresent(formObj.first_name, 'inf_first_name', true )) errs += 1;
			break;

		case 'orderproducts':

			if (!validatePresent(formObj.postal_code, 'inf_postal_code', true )) errs += 1;
			if (!validatePresent(formObj.country_region, 'inf_country_region', true )) errs += 1;
			if (!validatePresent(formObj.state_province_locality, 'inf_state_province_locality', true )) errs += 1;
			if (!validatePresent(formObj.city, 'inf_city', true )) errs += 1;
			if (!validatePresent(formObj.address, 'inf_address', true )) errs += 1;
			if (!validatePresent(formObj.company, 'inf_company', true )) errs += 1;
			if (!validateTelnr(formObj.phone, 'inf_phone', true )) errs += 1;
			if (!validateEmail(formObj.email, 'inf_email', true )) errs += 1;
			if (!validatePresent(formObj.last_name, 'inf_last_name', true )) errs += 1;
			if (!validatePresent(formObj.first_name, 'inf_first_name', true )) errs += 1;
			break;
	}

	switch(product) {

		case 'control_step':

		    break;
		case 'accommodative':
		case 'sport':
		case 'mensdress':
		case 'womensdress':
		    if ( !validateSizeSelects('advantage_accommodative') ) errs += 1;
			if ( !validateSizeSelects('advantage_dress') ) errs += 1;
			if ( !validateSizeSelects('advantage_sport') ) errs += 1;
		    break;
		case 'arizona':
		case 'sure_step':
		case 'sure_step_nightsplint':
		    if ( !validateOptionSelects('arizona') ) errs += 1;
			if ( !validateOptionSelects('sure_step') ) errs += 1;
		    break;
		case 'underdogs':
			if ( !validateSizeSelects('components') ) errs += 1;
			if ( !validateSizeSelects('insoles') ) errs += 1;
			break;
	}


	var errmessage ="";
	    if (errs>1)  errmessage ="There are " + errs + " fields which need attention before sending.";
	    if (errs>8)  errmessage ="There are fields which need attention before sending.";
	    if (errs==1) errmessage ="There is a field which needs attention before sending.";
	    if (errs>=1)  errmessage +="\nPlease review notices in the form and try again.";
		if (errs>0) {
			alert(errmessage);
		}

	    return (errs==0);
}



function objectShow(objectID, boolShow) {
		var theObject = document.getElementById(objectID);
		if (theObject) {
			if (boolShow == true) {
				theObject.style.display='block';
			} else if (boolShow == 0) {
				theObject.style.display='none';
			}
		}
}

// ----------------------------------------------------------------------
// Javascript form validation routines.
// Author: Stephen Poley
//
// Simple routines to quickly pick up obvious typos.
// All validation routines return true if executed by an older browser:
// in this case validation must be left to the server.
// ----------------------------------------------------------------------

var nbsp = 160;		// non-breaking space char
var node_text = 3;	// DOM text node-type
var emptyString = /^\s*$/ ;
var global_valfield;	// retain valfield for timer thread

// --------------------------------------------
//                  trim
// Trim leading/trailing whitespace off string
// --------------------------------------------

function trim(str)
{
  return str.replace(/^\s+|\s+$/g, '');
}


// --------------------------------------------
//                  setfocus
// Delayed focus setting to get around IE bug
// --------------------------------------------

function setFocusDelayed()
{
  global_valfield.focus();
}

function setfocus(valfield)
{
  // save valfield in global variable so value retained when routine exits
  global_valfield = valfield;
  setTimeout( 'setFocusDelayed()', 100 );
}


// --------------------------------------------
//                  msg
// Display warn/error message in HTML element.
// commonCheck routine must have previously been called
// --------------------------------------------

function msg(fld,     // id of element to display message in
             msgtype, // class to give element ("warn" or "error")
             message) // string to display
{
  // setting an empty string can give problems if later set to a
  // non-empty string, so ensure a space present. (For Mozilla and Opera one could
  // simply use a space, but IE demands something more, like a non-breaking space.)
  var dispmessage;
  if (emptyString.test(message))
    dispmessage = String.fromCharCode(nbsp);
  else
    dispmessage = message;

  var elem = document.getElementById(fld);
  elem.firstChild.nodeValue = dispmessage;

  elem.className = msgtype;   // set the CSS class to adjust appearance of message
}

// --------------------------------------------
//            commonCheck
// Common code for all validation routines to:
// (a) check for older / less-equipped browsers
// (b) check if empty fields are required
// Returns true (validation passed),
//         false (validation failed) or
//         proceed (don't know yet)
// --------------------------------------------

var proceed = 2;

function commonCheck    (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  if (!document.getElementById)
    return true;  // not available on this browser - leave validation to the server
  var elem = document.getElementById(infofield);
  if (!elem.firstChild) return true;  // not available on this browser
  if (elem.firstChild.nodeType != node_text) return true;  // infofield is wrong type of node

  if (emptyString.test(valfield.value)) {
    if (required) {
      msg (infofield, "error", "Required");
      setfocus(valfield);
      return false;
    }
    else {
      msg (infofield, "notice", "");   // OK
      return true;
    }
  }
  return proceed;
}

// --------------------------------------------
//            validatePresent
// Validate if something has been entered
// Returns true if so
// --------------------------------------------

function validatePresent(valfield,   // element to be validated
                         infofield ) // id of element to receive info/error msg
{
  var stat = commonCheck (valfield, infofield, true);
  if (stat != proceed) return stat;

  msg (infofield, "notice", "");
  return true;
}

// --------------------------------------------
//               validateEmail
// Validate if e-mail address
// Returns true if so (and also if could not be executed because of old browser)
// --------------------------------------------

function validateEmail  (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);  // value of field with whitespace trimmed off
  var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/  ;
  if (!email.test(tfld)) {
    msg (infofield, "error", "Not a valid email address");
    setfocus(valfield);
    return false;
  }

  var email2 = /^[A-Za-z][\w.-]+@\w[\w.-]+\.[\w.-]*[A-Za-z][A-Za-z]$/  ;
  if (!email2.test(tfld))
    msg (infofield, "warn", "Unusual email address - check");
  else
    msg (infofield, "notice", "");
  return true;
}


// --------------------------------------------
//            validateTelnr
// Validate telephone number
// Returns true if so (and also if could not be executed because of old browser)
// Permits spaces, hyphens, brackets and leading +
// --------------------------------------------

function validateTelnr  (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);  // value of field with whitespace trimmed off
  var telnr = /^\+?[0-9 ().-]+[0-9]$/  ;
  if (!telnr.test(tfld)) {
    msg (infofield, "error", "Not a valid telephone number. Characters permitted are digits, space ()- and leading +");
    setfocus(valfield);
    return false;
  }

  var numdigits = 0;
  for (var j=0; j<tfld.length; j++)
    if (tfld.charAt(j)>='0' && tfld.charAt(j)<='9') numdigits++;

  if (numdigits<6) {
    msg (infofield, "error", "Error: " + numdigits + " digits - too short");
    setfocus(valfield);
    return false;
  }

  if (numdigits>14)
    msg (infofield, "warn", numdigits + " digits - check if correct");
  else {
    if (numdigits<10)
      msg (infofield, "warn", "Only " + numdigits + " digits. Please include area code.");
    else
      msg (infofield, "notice", "");
  }
  return true;
}

// --------------------------------------------
//             validateAge
// Validate person's age
// Returns true if OK
// --------------------------------------------

function validateAge    (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
  var stat = commonCheck (valfield, infofield, required);
  if (stat != proceed) return stat;

  var tfld = trim(valfield.value);
  var ageRE = /^[0-9]{1,3}$/
  if (!ageRE.test(tfld)) {
    msg (infofield, "error", "Error: not a valid age");
    setfocus(valfield);
    return false;
  }

  if (tfld>=200) {
    msg (infofield, "error", "Error: not a valid age");
    setfocus(valfield);
    return false;
  }

  if (tfld>110) msg (infofield, "warn", "Older than 110: check correct");
  else {
    if (tfld<7) msg (infofield, "warn", "Bit young for this, aren't you?");
    else        msg (infofield, "notice", "");
  }
  return true;
}


// ADDED BY TC
// ValidateZip
// Validates a zip code based on both US zip code schemes: 12345-1234 or 12345
function validateZip  (valfield,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{

	var stat = commonCheck (valfield, infofield, required);
	if (stat != proceed) return stat;

	var tfld = trim(valfield.value);
	var reZip = new RegExp(/(^\d{5}$)|(^\d{5}[-|+]\d{4}$)/);
     if (!reZip.test(tfld)) {
          msg (infofield, "error", tfld + " is Not a valid US ZIP code");
          return false;
     } else {
	msg (infofield, "notice", "");
	}
	return true;
}

/**
 *
 * @access public
 * @return void
 **/
function validateRadio(radioObj,   // element to be validated
                         infofield,  // id of element to receive info/error msg
                         required)   // true if required
{
	var tfld = trim(getCheckedValue(radioObj));
	if (tfld=="") {
		msg (infofield, "error", "Required");
		return false;
	} else {
		msg (infofield, "notice", "");
	}
	return true;
}


function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function setOptInClick() {
	// set mouseclick action of email input for opt-in
	var emailinput = document.getElementById('ea');
	emailinput.onclick=function() {this.value=''; this.style.color='#000';}
}