function roundNumbers(number,decimals) {
	var newString;// The new rounded number
	decimals = Number(decimals);
	if (decimals < 1) {
		newString = (Math.round(number)).toString();
	} else {
		var numString = number.toString();
		if (numString.lastIndexOf(".") == -1) {
			numString += ".";
		}
		var cutoff = numString.lastIndexOf(".") + decimals;
		var d1 = Number(numString.substring(cutoff,cutoff+1));
		var d2 = Number(numString.substring(cutoff+1,cutoff+2));
		if (d2 >= 5) {
			if (d1 == 9 && cutoff > 0) {
				while (cutoff > 0 && (d1 == 9 || isNaN(d1))) {
					if (d1 != ".") {
						cutoff -= 1;
						d1 = Number(numString.substring(cutoff,cutoff+1));
					} else {
						cutoff -= 1;
					}
				}
			}
			d1 += 1;
		} 
		newString = numString.substring(0,cutoff) + d1.toString();
	}
	if (newString.lastIndexOf(".") == -1) {
		newString += ".";
	}
	var decs = (newString.substring(newString.lastIndexOf(".")+1)).length;
	for(var i=0;i<decimals-decs;i++) newString += "0";
	var newNumber = Number(newString);
	return newNumber;
}

	function format_nums(num){
		
		var res = "";
		num = num.toString();
		counter = 0;
		var c = num.indexOf('.');
		var end = num.length-1;
		if(c>-1) {
			res = "."+num.substring(c+1,c+3);
			end = c-1;
			if(res.length==2) res = res + "0";
		}
		//if(c==-1) res = ".00";
		
		for(var i=end;i>=0;i--){
			res = num.substring(i,i+1) + res;
			counter ++;
			if(counter%3 == 0 && i > 0)
				res = "," + res;
		}
		return res;
	}
	function cekInp(){
		
		var q = document.getElementById('dlr').value;
		var p = document.getElementById('dollar').value;
		if(isNaN(q)) q = parseFloat(document.getElementById('dlr').value);
		if(q<0) q = 0;
		document.getElementById('dlr').value = q;
		document.getElementById('totalc').value = format_nums(roundNumbers(q/p,2));
	}

	function roundNumber(number,decimals) {
	var newString;// The new rounded number
	decimals = Number(decimals);
	if (decimals < 1) {
		newString = (Math.round(number)).toString();
	} else {
		var numString = number.toString();
		if (numString.lastIndexOf(".") == -1) {
			numString += ".";
		}
		var cutoff = numString.lastIndexOf(".") + decimals;
		var d1 = Number(numString.substring(cutoff,cutoff+1));
		var d2 = Number(numString.substring(cutoff+1,cutoff+2));
		if (d2 >= 5) {
			if (d1 == 9 && cutoff > 0) {
				while (cutoff > 0 && (d1 == 9 || isNaN(d1))) {
					if (d1 != ".") {
						cutoff -= 1;
						d1 = Number(numString.substring(cutoff,cutoff+1));
					} else {
						cutoff -= 1;
					}
				}
			}
			d1 += 1;
		} 
		newString = numString.substring(0,cutoff) + d1.toString();
	}
	if (newString.lastIndexOf(".") == -1) {
		newString += ".";
	}
	var decs = (newString.substring(newString.lastIndexOf(".")+1)).length;
	for(var i=0;i<decimals-decs;i++) newString += "0";
	var newNumber = Number(newString);
	return newNumber;
}

	function format_num(num){
		
		var res = "";
		num = num.toString();
		counter = 0;
		var c = num.indexOf('.');
		var end = num.length-1;
		if(c>-1) {
			res = ","+num.substring(c+1,c+3);
			end = c-1;
			if(res.length==2) res = res + "0";
		}
		
		
		for(var i=end;i>=0;i--){
			res = num.substring(i,i+1) + res;
			counter ++;
			if(counter%3 == 0 && i > 0)
				res = "." + res;
		}
		return res;
	}
	function cekQ(){
		var q = parseInt(document.getElementById('quant').value);
		var p = document.getElementById('price').value;
		if(isNaN(q)) q = 1;
		if(q<1) q = 1;
		document.getElementById('quant').value = q;
		document.getElementById('total').value = format_num(roundNumber(q*p,2));
	}