<!--
function checkNum(thisChar) {

	if((thisChar != '0') &&
		(thisChar != '1') &&
		(thisChar != '2') &&
		(thisChar != '3') &&
		(thisChar != '4') &&
		(thisChar != '5') &&
		(thisChar != '6') &&
		(thisChar != '7') &&
		(thisChar != '8') &&
		(thisChar != '9')) {

		return false;

	} else {

		return true;

	}
}


function checkValue(thisString) {

	var isNum = true;
	var stringLen = thisString.length;

	if(stringLen == 0) {

		isNum = false;

	} else {

		for(count = 0; count < stringLen; count++) {

			if(!(checkNum(thisString.charAt(count)))) {

				isNum = false;
				break;

			}
		}
	}

	return isNum;

}



function calculateBodyFat() {

	form = document.bfi;
	weight = form.Weight.value;
	waist = form.Waist.value;
	wrist = form.Wrist.value;
	hips = form.Hips.value;
	forearm = form.Forearm.value;
	isFemale = 0;
	bodyfat = 0;

	if(form.Gender[1].checked) {
		isFemale = 1;
	}

	formInvalid = 0;

	field1 = '';
	field2 = '';
	field3 = '';
	field4 = '';
	field5 = '';

	if(!(checkValue(weight))) {
		field1 = 'weight in pounds, ';
		formInvalid = 1;
	}

	if(!(checkValue(waist))) {
		field2 = 'waist size, ';
		formInvalid = 1;
	}

	if(!(checkValue(wrist)) && isFemale) {
		field3 = 'wrist circumference, ';
		formInvalid = 1;
	}

	if(!(checkValue(hips)) && isFemale) {
		field4 = 'hips circumference, ';
		formInvalid = 1;
	}

	if(!(checkValue(forearm)) && isFemale) {
		field5 = 'forearm circumference, ';
		formInvalid = 1;
	}


	if(formInvalid) {

		message = 'Please enter the following required information: ' + field1 + field2 + field3 + field4 + field5;

		message = message.substring(0, (message.length - 2)) + '.';

		alert(message);

	} else {

		if(isFemale) {

			bodyfat = ( (weight - ( ( ( ((weight * 0.732) + 8.987) + (wrist / 3.14) ) - (waist * 0.157) ) - (hips * 0.249) ) + (forearm * 0.434) ) * 100) / weight;

		} else {

 	 		bodyfat = ((weight - (((weight * 1.082) + 94.42) - (waist * 4.15))) * 100) / weight;
		}

		if(!(isFemale)) {

			form.Wrist.value = '';
			form.Hips.value = '';
			form.Forearm.value = '';
		}
		form.BodyFat.value = Math.floor(bodyfat);
	}
}


function computeForm(form) {
if ((form.wt.value == null ||
form.wt.value.length == 0) || (form.pacemin.value == null &&
form.pacesec.value.length == 0)) { return; }

   if (form.paceBox.options[0].selected){
var thetime = parseInt(form.pacesec.value)+parseInt(form.pacemin.value*60);

}
else{
var thetime = 1.608*(parseInt(form.pacesec.value)+parseInt(form.pacemin.value*60));

}
//alert(thetime);
 if (form.wtBox.options[0].selected){
var part1 = ((form.wt.value*2462.4)+44044);
}
else{
var part1 = ((form.wt.value*2462.4*2.2)+44044);
}
//alert(part1);
var part2 = Math.pow(thetime,-1.0045);
//alert(part2);

form.calperhr.value = parseInt(part1*part2);
form.caltot.value = parseInt(part1*part2*form.time.value/60);



 }

function clearForm(form) {
form.wt.value = ""; form.pacemin.value = "";
form.pacesec.value = "";form.time.value = "";
form.caltot.value = "";form.calperhr.value = "";}



browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if ( browserVer >= 3) version = "n3";
else {
version = "n2";}
if (version == "n3") {
  // on images
  navb1a_1 = new Image(107, 33);
  navb1a_1.src="/images/homeb.jpg";
  navb1b_1 = new Image(107, 33);
  navb1b_1.src="/images/prdb.jpg";
  navb1c_1 = new Image(107, 33);
  navb1c_1.src="/images/intb.jpg";
  navb1d_1 = new Image(107, 33);
  navb1d_1.src="/images/hrb.jpg";
  navb1e_1 = new Image(107, 33);
  navb1e_1.src="/images/calb.jpg";
  navb1f_1 = new Image(107, 33);
  navb1f_1.src="/images/linkb.jpg";
  // off images
  navb1a_0 = new Image(107, 33);
  navb1a_0.src="/images/homea.jpg";
  navb1b_0 = new Image(107, 33);
  navb1b_0.src="/images/prda.jpg";
  navb1c_0 = new Image(107, 33);
  navb1c_0.src="/images/inta.jpg";
   navb1d_0 = new Image(107, 33);
  navb1d_0.src="/images/hra.jpg";
  navb1e_0 = new Image(107, 33);
  navb1e_0.src="/images/cala.jpg";
  navb1f_0 = new Image(107, 33);
  navb1f_0.src="/images/linka.jpg";
}
function imgchg(imgst,imgName) {
   if (version == "n3") {
     imgc = eval(imgName + "_" + imgst + ".src");
     document [imgName].src = imgc;
   }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

function right(e) {
  var msg = "All images are copyrighted material. Violators will be prosecuted.";

  if (navigator.appName == 'Netscape' && e.which == 3) {
   alert(msg);
   return false;
  }

  if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
   alert(msg);
   return false;
  }
  else return true;
}

var mydate=new Date()
var year=mydate.getYear()
if (year < 1000)
year+=1900
var day=mydate.getDay()
var month=mydate.getMonth()+1
if (month<10)
month="0"+month
var daym=mydate.getDate()
if (daym<10)
daym="0"+daym