$(document).ready(function() {
        $("#submit_bmi").click(function() {
            var bmi;
            var info;
            var weight = $("#weight").val();
            var height = $("#height").val();
            if (weight < 10 || weight > 200) { alert("Nieprawidłowy ciężar ciała.\nProszę ponownie podać dane."); return false;}
            if (height < 50 || height > 250) { alert("Nieprawidłowy wzrost.\nProszę ponownie podać dane."); return false;}
            bmi = Math.round((weight / (Math.pow((height/100),2)))*10);
            bmi = bmi/10;
            if (bmi < 18) info = "Masz silną niedowagę.";
            if (bmi >= 18 && bmi < 19) info = "Masz wyraźną niedowagę.";
            if (bmi >= 19 && bmi < 20) info = "Masz lekką niedowagę.";
            if (bmi >= 20 && bmi <= 24) info = "Masz idealną wagę.";
            if (bmi > 24 && bmi <= 29) info = "Masz lekką nadwagę.";
            if (bmi > 29 && bmi <= 39) info = "Masz wyraźną nadwagę.";
            if (bmi > 39) info = "Masz silną nadwagę.";
            alert(info + "\nTwoje BMI: "+ bmi +"."); return false;
        });
        
        $("#submit_love").click(function() {
            first = $("#your_name").val().toUpperCase();
            firstlength = first.length;
            second = $("#other_name").val().toUpperCase();
            secondlength = second.length;
            var LoveCount=0;
            for (Count=0; Count < firstlength; Count++) {
                letter1=first.substring(Count,Count+1);
                if (letter1=='L') LoveCount+=2;
                if (letter1=='O') LoveCount+=2;
                if (letter1=='V') LoveCount+=2;
                if (letter1=='E') LoveCount+=2;
                if (letter1=='Y') LoveCount+=3;
                if (letter1=='O') LoveCount+=1;
                if (letter1=='U') LoveCount+=3;
            }
            for (Count=0; Count < secondlength; Count++) {
            letter2=second.substring(Count,Count+1);
                if (letter2=='L') LoveCount+=2;
                if (letter2=='O') LoveCount+=2;
                if (letter2=='V') LoveCount+=2;
                if (letter2=='E') LoveCount+=2;
                if (letter2=='Y') LoveCount+=3;
                if (letter2=='O') LoveCount+=1;
                if (letter2=='U') LoveCount+=3;
            }
            amount=0;
            if (LoveCount> 0) amount= 5-((firstlength+secondlength)/2)
            if (LoveCount> 2) amount= 10-((firstlength+secondlength)/2)
            if (LoveCount> 4) amount= 20-((firstlength+secondlength)/2)
            if (LoveCount> 6) amount= 30-((firstlength+secondlength)/2)
            if (LoveCount> 8) amount= 40-((firstlength+secondlength)/2)
            if (LoveCount>10) amount= 50-((firstlength+secondlength)/2)
            if (LoveCount>12) amount= 60-((firstlength+secondlength)/2)
            if (LoveCount>14) amount= 70-((firstlength+secondlength)/2)
            if (LoveCount>16) amount= 80-((firstlength+secondlength)/2)
            if (LoveCount>18) amount= 90-((firstlength+secondlength)/2)
            if (LoveCount>20) amount=100-((firstlength+secondlength)/2)
            if (LoveCount>22) amount=110-((firstlength+secondlength)/2)
            if (firstlength==0 || secondlength==0) amount= "Err";
            if (amount < 0) amount= 0;
            if (amount >99) amount=99;
            alert("Pasujecie do siebie w "+ amount +"%");
            return false;
        });
});