<!-- 

function resetpage(form)
{
form.Pectoral.style.visibility = "visible";

 form.Midaxilla.style.visibility = "visible";
 form.Subscapula.style.visibility = "visible";
 form.Abdomen.style.visibility = "visible";
 form.Triceps.style.visibility = "visible";
 form.Suprailiac.style.visibility = "visible";
 form.Quadriceps.style.visibility = "visible";
 
 form.Pectoral.value = "";

 form.Midaxilla.value = "";
 form.Subscapula.value = "";
 form.Abdomen.value = "";
 form.Triceps.value = "";
 form.Suprailiac.value = "";
 form.Quadriceps.value = "";
 form.Age.value="";
 form.Weight.value="";
 form.Measurements.selectedIndex=1;
 form.Sex.selectedIndex=1;
 
 form.Density.value="";

 form.LeanWeight.value="";

 form.FatWeight.value="";

 form.PercentFat.value="";

 form.PopulationAverage.value="";

 form.Score.value="";

 form.Rating.value="";
 
 }

function redondear (numero, lugares)
{
  
  var mult = 10;
  var i = 0;

  for (i=1; i<lugares; i++)
  {
    mult = mult * 10;
  }

  tempo = Math.round (numero * mult);

  return tempo / mult;
}


function changesexoption(form)
{
 ObjSex=form.Sex.options[form.Sex.selectedIndex].value
 NMeasurements=form.Measurements.options[form.Measurements.selectedIndex].value


 if (ObjSex == "Female" && NMeasurements=="3") {

 form.Pectoral.style.visibility = "hidden";

 form.Midaxilla.style.visibility = "hidden";
 form.Subscapula.style.visibility = "hidden";
 form.Abdomen.style.visibility = "hidden";
 form.Triceps.style.visibility = "visible";
 form.Suprailiac.style.visibility = "visible";
 form.Quadriceps.style.visibility = "visible";
 
 form.Triceps.value = "";
 form.Suprailiac.value = "";
 form.Quadriceps.value = "";

 }
  if (ObjSex == "Male" && NMeasurements=="3") {
 form.Pectoral.style.visibility = "visible";

 form.Midaxilla.style.visibility = "hidden";
 form.Subscapula.style.visibility = "hidden";
 form.Abdomen.style.visibility = "visible";
 form.Triceps.style.visibility = "hidden";
 form.Suprailiac.style.visibility = "hidden";
 form.Quadriceps.style.visibility = "visible";
 
 form.Pectoral.value="";
 form.Abdomen.value="";
 form.Quadriceps.value="";
 
 }
 
 if (NMeasurements=="7"){
 form.Pectoral.style.visibility = "visible";

 form.Midaxilla.style.visibility = "visible";
 form.Subscapula.style.visibility = "visible";
 form.Abdomen.style.visibility = "visible";
 form.Triceps.style.visibility = "visible";
 form.Suprailiac.style.visibility = "visible";
 form.Quadriceps.style.visibility = "visible";
 
 form.Pectoral.value = "";

 form.Midaxilla.value = "";
 form.Subscapula.value = "";
 form.Abdomen.value = "";
 form.Triceps.value = "";
 form.Suprailiac.value = "";
 form.Quadriceps.value = "";
 }
}

function ValidateFields(form,ObjSex,NMeasurements)

{

  var errorField = false;


if (!(IsNumber(form.Age.value))) 

  {

    alert("Please enter a valid number for Age.\n");

    errorField = true;

  }


if (!(IsNumber(form.Weight.value))) 

  {

    alert("Please enter a valid number for Weight.\n");

    errorField = true;

  }

  
if ((ObjSex == "Male" || ObjSex == "Female") && NMeasurements=="7") {


  if (!(IsNumber(form.Triceps.value))) 

  {

    alert("Please enter a valid number for Triceps.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Pectoral.value))) 

  {

    alert("Please enter a valid number for Pectoral.\n");

    errorField = true;

  }


  if (!(IsNumber(form.Midaxilla.value))) 

  {

    alert("Please enter a valid number for Midaxilla.\n");

    errorField = true;

  }


  if (!(IsNumber(form.Subscapula.value))) 

  {

    alert("Please enter a valid number for Subscapula.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Abdomen.value))) 

  {

    alert("Please enter a valid number for Abdomen.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Suprailiac.value))) 

  {

    alert("Please enter a valid number for Suprailiac.\n");

    errorField = true;

  }


  if (!(IsNumber(form.Quadriceps.value))) 

  {

    alert("Please enter a valid number for Quadriceps.\n");

    errorField = true;

  } 

}


if (ObjSex == "Male" && NMeasurements=="3") {

  if (!(IsNumber(form.Pectoral.value))) 

  {

    alert("Please enter a valid number for Pectoral.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Abdomen.value))) 

  {

    alert("Please enter a valid number for Abdomen.\n");

    errorField = true;

  }


  if (!(IsNumber(form.Quadriceps.value))) 

  {

    alert("Please enter a valid number for Quadriceps.\n");

    errorField = true;

  } 


}  


 if (ObjSex == "Female" && NMeasurements=="3") {

  if (!(IsNumber(form.Triceps.value))) 

  {

    alert("Please enter a valid number for Triceps.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Suprailiac.value))) 

  {

    alert("Please enter a valid number for Suprailiac.\n");

    errorField = true;

  }

  
  if (!(IsNumber(form.Quadriceps.value))) 

  {

    alert("Please enter a valid number for Quadriceps.\n");

    errorField = true;

  } 


 }  


  if (errorField) 

    return false;


  return true;

}


function getfat (form) {

var NMeasurements, ObjSex, SummarySeven, SummaryManThree, SummaryWomanThree, SD, PR, Zsc, PopE
NMeasurements=form.Measurements.options[form.Measurements.selectedIndex].value
ObjSex=form.Sex.options[form.Sex.selectedIndex].value
SummarySeven=form.Triceps.value*1+form.Pectoral.value*1+form.Midaxilla.value*1+form.Subscapula.value*1+form.Abdomen.value*1+form.Suprailiac.value*1+form.Quadriceps.value*1
SummaryManThree=form.Pectoral.value*1+form.Abdomen.value*1+form.Quadriceps.value*1
SummaryWomanThree=form.Triceps.value*1+form.Suprailiac.value*1+form.Quadriceps.value*1
 
  if (ValidateFields(form,ObjSex,NMeasurements)==true){ 
 
  if (ObjSex == "Male" && NMeasurements=="7") {
         form.Density.value =1.112-0.00043499*SummarySeven+0.00000055 *Math.pow(SummarySeven,2)-0.00028826*form.Age.value
         
 }
 
  if (ObjSex == "Female" && NMeasurements=="7") {
     form.Density.value =1.097-0.00046971*SummarySeven+0.00000056 *Math.pow(SummarySeven,2)-0.00012828*form.Age.value
}
  if (ObjSex == "Male" && NMeasurements=="3") {
     form.Density.value =1.10938-0.0008267*SummaryManThree+0.0000016 *Math.pow(SummaryManThree,2)-0.0002574*form.Age.value
}
  if (ObjSex == "Female" && NMeasurements=="3") {
     form.Density.value =1.0994921-0.0009929*SummaryWomanThree+0.0000023 *Math.pow(SummaryWomanThree,2)-0.0001392*form.Age.value
}
form.PercentFat.value =(4.95/form.Density.value-4.5)*100
form.FatWeight.value =form.Weight.value*form.PercentFat.value/100
form.LeanWeight.value =form.Weight.value-form.FatWeight.value
  if (ObjSex == "Male") {
     form.PopulationAverage.value =13.815+0.13*form.Age.value
}
  if (ObjSex == "Female") {
     form.PopulationAverage.value =21.55+0.1*form.Age.value
}
  if (ObjSex == "Male") {
     SD ="6"
}
  if (ObjSex == "Female" && form.PercentFat.value<=form.PopulationAverage.value) {
     SD ="8"
}
  if (ObjSex == "Female" && form.PercentFat.value>form.PopulationAverage.value) {
     SD ="7"
}
Zsc = (form.PopulationAverage.value-form.PercentFat.value)/SD
PopE= Math.exp(-1.8355027*(Math.abs(Zsc)-0.23073201))
PR= -0.41682992*(PopE-1)/(PopE+1)+0.58953708
  if (Zsc > 0) {
     form.Score.value =Math.round(PR*100)
}
  if (Zsc <= 0) {
     form.Score.value =Math.round((1-PR)*100)
}
  if (Zsc >= 1) {
     form.Rating.value ="Excellent"
}
  if (Zsc < 1 && Zsc >= 0.5) {
     form.Rating.value ="Good"
}
  if (Zsc < 0.5 && Zsc >= -0.5) {
     form.Rating.value ="Average"
}
  if (Zsc < -0.5 && Zsc >= -1) {
     form.Rating.value ="Fair"
}
  if (Zsc < -1) {
     form.Rating.value ="Poor"
}
//** round for values
form.Density.value = redondear(form.Density.value,2)
form.PopulationAverage.value = redondear(form.PopulationAverage.value) 
form.PercentFat.value = redondear(form.PercentFat.value,2)
form.FatWeight.value = redondear (form.FatWeight.value,2)
form.LeanWeight.value = redondear (form.LeanWeight.value,2)
}
}

//*****************************************************************************

// IsNumber() - Check if a valid number 

//*****************************************************************************

function IsNumber(NN) 

{

  if (!parseFloat(NN)) 

    return false;

  else 

  {

    for (var i=0; i<NN.length; i++) 

    {

      if (((NN.charAt(i) != "0") && ((!parseFloat(NN.charAt(i))) &&

              (NN.charAt(i) != "."))))

        return false;

    }

  }


  return true;

}


//*****************************************************************************

//To Disable right click 

//*****************************************************************************

function disableRightClick(btnClick){

  var ErrorMsg = "Copyright 2009 - www.hopehealth.org\nAll Rights Reserved";


  if (navigator.appName == "Netscape" && btnClick.which == 3)

  { 

    alert(ErrorMsg);

    return false;

  }

  else if (navigator.appName =="Microsoft Internet Explorer" && event.button == 2)
  {
    alert(ErrorMsg);
    return false;
  }
}

document.onmousedown = disableRightClick;


//-->