protected void Page_Load(object sender, EventArgs e)
        {
            
            buttony.Add(ImageButton1);
            buttony.Add(ImageButton2);
            buttony.Add(ImageButton3);
            buttony.Add(ImageButton4);

            if(RadioButtonList1.SelectedItem.ToString() == "Mały")
            {

                foreach(ImageButton element in buttony)
                {
                    if(element.Visible == true)
                    {
                        element.CssClass = "smallimg";
                        break;

                    }
                    
                }
            }
            if (RadioButtonList1.SelectedItem.ToString() == "Średni")
            {

                foreach (ImageButton element in buttony)
                {
                    if (element.Visible == true)
                    {
                        element.CssClass = "mediumimg";
                        break;
                    }
                        
                }
            }
            if (RadioButtonList1.SelectedItem.ToString() == "Duży")
            {

                foreach (ImageButton element in buttony)
                {
                    if (element.Visible == true)
                    {
                        element.CssClass = "bigimg";
                        break;
                    }
                         
                }
            }


        }