function changeUnits1() {
document.getElementById("goalUnits").innerHTML = document.getElementById("units").value;
}

function calculateWeightLoss() {

if (document.getElementById("units").value=="kg") constant = 7714;
if (document.getElementById("units").value=="lb") constant = 3500;
if (document.getElementById("units").value=="st") constant = 48212.5;

if (!parseInt(document.getElementById("cur").value)) alert("Please enter your current weight");
else {
if (!parseInt(document.getElementById("goal").value)) alert("Please enter your goal weight");	
else {
	if (parseInt(document.getElementById("goal").value)>=parseInt(document.getElementById("cur").value)) alert("Current weight have to be higher than goal weight");	
else {
	if (!parseInt(document.getElementById("deficit").value)) alert("Please enter daily calorie deficit");
		else {
		var deficit = document.getElementById("deficit").value;

		document.getElementById("goalTime").innerHTML = Math.round(((document.getElementById("cur").value - document.getElementById("goal").value)*constant)/deficit);
		document.getElementById("goal1").style.display = "block";
	}
}
}
}
}

function calculateDailyDeficit() {

if (document.getElementById("units1").value=="kg") constant = 7714;
if (document.getElementById("units1").value=="lb") constant = 3500;
if (document.getElementById("units1").value=="st") constant = 48212.5;

if (!parseInt(document.getElementById("cur1").value)) alert("Please enter your current weight");
else {
	if (!parseInt(document.getElementById("goal2").value)) alert("Please enter your goal weight");
else {
		if (parseInt(document.getElementById("goal").value)>=parseInt(document.getElementById("cur").value)) alert("Current weight have to be higher than goal weight");	
else {
	if (!parseInt(document.getElementById("period").value)) alert("Please enter period of time");
else {
var period = document.getElementById("period").value;
document.getElementById("goalTime1").innerHTML = Math.round(((document.getElementById("cur1").value - document.getElementById("goal2").value)*constant)/period);
document.getElementById("goal3").style.display = "block";
}
}
}
}
}

function changeUnits2() {
document.getElementById("goalUnits1").innerHTML = document.getElementById("units1").value;
}

function calculateWeightLoss2() {

if (document.getElementById("units2").value=="kg") constant = 7714;
if (document.getElementById("units2").value=="lb") constant = 3500;
if (document.getElementById("units2").value=="st") constant = 48212.5;

if (!parseInt(document.getElementById("cur2").value)) alert("Please enter your current weight");
else {
	if (!parseInt(document.getElementById("deficit2").value)) alert("Please enter your daily calorie deficit");
else {
	if (!parseInt(document.getElementById("period2").value)) alert("Please enter period of time");
else {
var deficit2 = document.getElementById("deficit2").value;
var period2 = document.getElementById("period2").value;

//document.getElementById("goalTime2").innerHTML = document.getElementById("cur2").value - Math.round((document.getElementById("cur2").value*constant-deficit2*period2)/constant);
tmpresult=(parseFloat(deficit2*period2/constant)).toFixed(2);
document.getElementById("goalTime2").innerHTML = tmpresult; 
document.getElementById("goalTime22").innerHTML = document.getElementById("cur2").value-tmpresult; 
document.getElementById("goal4").style.display = "block";
document.getElementById("goal44").style.display = "block";
document.getElementById("units5").innerHTML = document.getElementById("units2").value;
}
}
}
}