function computeBMR(form){
form.BMRMale.value = 66.473 + ((form.weight.value / 2.2 ) * 13.751) + (5.0033 * form.height.value * 2.54) - (6.55 * form.age.value);
form.BMRFemale.value = 665.51 + ((form.weight.value / 2.2 ) * 9.463) + (1.8496 * form.height.value * 2.54) - (4.6756 * form.age.value);
return;
}
function computeTotal(form){
if (form.vlight.value.length == 0){
form.vlight.value = "0";
}
if (form.light.value.length == 0){
form.light.value = "0";
}
if (form.moderate.value.length == 0){
form.moderate.value = "0";
}
if (form.heavy.value.length == 0){
form.heavy.value = "0";
}
if (form.vheavy.value.length == 0){
form.vheavy.value = "0";
}
form.TotMale.value = (1.0 * form.BMRMale.value) + (1.4 * form.vlight.value) + (2.5 * form.light.value) + (4.2 *form.moderate.value) + (8.2 * form.heavy.value) + (12 * form.vheavy.value);
form.TotFemale.value = (1.0 * form.BMRFemale.value) + (1.4 * form.vlight.value) + (2.5 * form.light.value) + (4.2 *form.moderate.value) + (8.2 * form.heavy.value) + (12 * form.vheavy.value);
return;
}
function clearBMR(form){
form.age.value = "";
form.weight.value = "";
form.height.value = "";
form.BMRMale.value = "";
form.BMRFemale.value = "";
return;
}
function clearTotal(form){
form.vlight.value = "0";
form.light.value = "0";
form.moderate.value = "0";
form.heavy.value = "0";
form.vheavy.value = "0";
form.TotMale.value = "0";
form.TotFemale.value = "0";
return;
}

//heart rate calculator//


function btncalczoneA()  
{ 
if (!document.forms[1].txtageA.value) 
	return false;
if (!document.forms[1].rhr.value)
	return false;
else
{
	ageA = document.forms[1].txtageA.value;
	var rhr = eval(document.forms[1].rhr.value);

	maxrateA = 220 - ageA;
	document.forms[1].txtmaxrateA.value = maxrateA;

	minzoneA = ((maxrateA - rhr)*(.6)) + rhr;
	document.forms[1].minA.value = parseInt(minzoneA);

	maxzoneA = ((maxrateA - rhr)*(.8))+ rhr;
	document.forms[1].maxA.value = parseInt(maxzoneA);

	return true;
}
}

function clearbtncalczoneA(form){
form.txtageA.value = "";
form.rhr.value = "";
form.txtmaxrateA.value = "";
form.minA.value = "";
form.maxA.value = "";
return;
}

function FrontPage_Form2_Validator(theForm)
{

  if (theForm.txtageA.value == "")
  {
    alert("Please enter a value for the \"Age\" field.");
    theForm.txtageA.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.txtageA.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digit characters in the \"Age\" field.");
    theForm.txtageA.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseInt(allNum);
  if (chkVal != "" && !(prsVal >= "10"))
  {
    alert("Please enter a value greater than or equal to \"10\" in the \"Age\" field.");
    theForm.txtageA.focus();
    return (false);
  }

  if (theForm.rhr.value == "")
  {
    alert("Please enter a value for the \"Resting Heart Rate\" field.");
    theForm.rhr.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.rhr.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digit characters in the \"Resting Heart Rate\" field.");
    theForm.rhr.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseInt(allNum);
  if (chkVal != "" && !(prsVal >= "10"))
  {
    alert("Please enter a value greater than or equal to \"10\" in the \"Resting Heart Rate\" field.");
    theForm.rhr.focus();
    return (false);
  }
  return (true);
}

//Get Started Form//
function clearGT(form){
form.first_name.value = "";
form.last_name.value = "";
form.street.value = "";
form.city.value = "";
form.state.value = "";
form.zip.value = "";
form.home_areacode.value = "";
form.home_prefix.value = "";
form.home_suffix.value = "";
form.work_areacode.value = "";
form.work_prefix.value = "";
form.work_suffix.value = "";
form.email.value = "";
textarea.goals.value = "";
textarea.current_activities.value = "";
return;
}



// JavaScript Document