<!--

TRUE = 1

FALSE = 0

weightfocus = TRUE 

activityfocus = FALSE

function addWeight(weightNo) {

  if (weightfocus)

    document.actform.bodyweight.value += weightNo;

}

function initiate() {

  document.actform.bodyweight.focus()

}

function isnum(str) {

  len = str.length 

  for (i=0; i<len; i++)

    if (!((str.charAt(i) >= '0') && (str.charAt(i) <= '9')))

      return(FALSE)

  return(TRUE)

}

function chooseActLevel(levelNo){

        if(levelNo==1) {

                levels ="Min";

        }

        else if(levelNo==2) {

                levels ="Mod";

        }

        else if(levelNo==3) {

                levels ="Act";

        }

        else if(levelNo==4) {

                levels ="VA";

        }

}

function setweightfocus() {

  weightfocus = TRUE 

  activityfocus = FALSE

}

function setactivityfocus() {

  weightfocus = FALSE

  activityfocus = TRUE

}

function settotalfocus() {

  weightfocus = FALSE 

  activityfocus = FALSE

}

function calculate() {

var tempvalue

    if (isnum(document.actform.bodyweight.value)) {

        if( levels == "Min") {

                multiplier = 0.4;

                }

        else if( levels == "Mod") {

                multiplier = 0.5;

        }

        else if( levels == "Act") {

                multiplier = 0.7;

        }

        else if( levels == "VA") {

                multiplier = 0.9;

        }

        else 

             return

        tempvalue = parseInt(document.actform.bodyweight.value*11, 10)

        document.actform.total.value = parseInt(tempvalue*multiplier+tempvalue, 10)

        document.actform.carbos.value = parseInt(((tempvalue*multiplier+tempvalue)*60)/100, 10)

        document.actform.protein.value = parseInt(((tempvalue*multiplier+tempvalue)*20)/100, 10)

        document.actform.fat.value = parseInt(((tempvalue*multiplier+tempvalue)*20)/100, 10)

    }

}

function clearIt()  {

  document.actform.bodyweight.value = ""

  document.actform.total.value = ""

  document.actform.carbos.value = ""

  document.actform.protein.value = ""

  document.actform.fat.value = ""

  document.actform.bodyweight.focus()

}
//-->