// JavaScript Document
//BMI Calculator
function converttometers(ht){
    return (ht/100);
	}

function calculatebmi(ht,wt){
	return (wt/Math.pow(ht,2));
}

function btnCalcbmi(){
	if (document.frmbmi.txtheight.value != ''){
		var ht=converttometers(document.frmbmi.txtheight.value);
		var wt=document.frmbmi.txtweight.value;
		var bmi=Math.round(calculatebmi(ht,wt));
		document.frmbmi.txtbmi.value=parseInt(bmi);
		var comm;
		var commObj = document.getElementById("content");
		if (parseInt(bmi) <19) 							comm = "Zayıf"; //"Underweight";
		if (parseInt(bmi) >=19 && parseInt(bmi) <=25) 	comm = "İdeal"; //"Desirable";
		if (parseInt(bmi) >=26 && parseInt(bmi) <=29) 	comm = "Şişmanlık riski taşıyor"; //"Prone to health risks";
		if (parseInt(bmi) >=30 && parseInt(bmi) <=40) 	comm = "Şişman"; //"Obese";
		if (parseInt(bmi) >40) 							comm = "Aşırı Şişman"; //"Extremely obese";
		
		commObj.style.display = '';
		document.frmbmi.comment.value = comm;
	
	}
	else{
		//alert("Please enter your weight and height");
		alert("Lütfen ağırlık ve boy uzunluğu bilgilerini giriniz");
		return false;
	}
}

function btnCalcbmiEN(){
	if (document.frmbmi.txtheight.value != ''){
		var ht=converttometers(document.frmbmi.txtheight.value);
		var wt=document.frmbmi.txtweight.value;
		var bmi=Math.round(calculatebmi(ht,wt));
		document.frmbmi.txtbmi.value=parseInt(bmi);
		var comm;
		var commObj = document.getElementById("content");
		if (parseInt(bmi) <19) 							comm = "Underweight";
		if (parseInt(bmi) >=19 && parseInt(bmi) <=25) 	comm = "Desirable";
		if (parseInt(bmi) >=26 && parseInt(bmi) <=29) 	comm = "Prone to health risks";
		if (parseInt(bmi) >=30 && parseInt(bmi) <=40) 	comm = "Obese";
		if (parseInt(bmi) >40) 							comm = "Extremely obese";
		
		commObj.style.display = '';
		document.frmbmi.comment.value = comm;
	
	}
	else{
		alert("Please enter your weight and height");
		return false;
	}
}