.from(" + name + "solver_2_eq_" + solver_1_eq_temp_id + "_temp);");
       }else if(document.getElementById("button_2").disabled){
           start_x = client_to_x(client_x - canvas_rect.left);
           start_y = client_to_y(client_y - canvas_rect.top);
       }else if(document.getElementById("button_3").disabled){
           end_step_length = temp_end_step_length;
       }
    draw_solver_1(0, 0, false);
    draw_solver_2(0, 0, false);
}

function init_solver_2(){
    var solver = document.getElementById