function frissit(element){
            red=document.getElementById('red').value;
            green=document.getElementById('green').value;
            blue=document.getElementById('blue').value;

            document.getElementById('red_state_input').value=red;
            document.getElementById('green_state_input').value=green;
            document.getElementById('blue_state_input').value=blue;
        }

        function input_change(element){
            let value = element.value;

            if(value < 0){
                value = 0;
            }
            if(value > 255){
                value = 255;
            }
            element.value = value;

            element.parentElement.parentElement.querySelector('.led_range').value = value;

            frissit(element);
            kuld(element);
        }

        function kuld(element){
            let red_state = normalizer(red * php_range_size_quotient);
            let green_state = normalizer(green * php_range_size_quotient);
            let blue_state = normalizer(blue * php_range_size_quotient);

            const xhttp=new XMLHttpRequest(); xhttp.open('GET', '/0,0,'+red_state+','+green_state+','+blue_state, true);
            xhttp.send();
        }

        function normalizer(szin){
            if(szin.length==1){szin='00'+szin;}
            if(szin.length==2){szin='0'+szin;}
            return szin;
        }