Boolean Debounce Code

/*Caroline Sasso*
* My Program
* 11/30/2016
* LOOK AT RANDOM NUMBER AND SWITCH STATEMENT TONIGHT
*/
int ReadValue=0,   LastValue=0;
const int BlueLED=5;
const int Button=2;
int ButtonValue=0;
bool LEDOn=false;
bool lastButton = false;
bool currentButton = false;


void setup()
{
  digitalWrite (BlueLED, LOW);
  pinMode (Button, INPUT);
  pinMode (BlueLED, OUTPUT);
  digitalWrite (BlueLED, HIGH);
  delay (50);
  digitalWrite (BlueLED, LOW);
  Serial.begin(9600);
 }

 boolean debounce (boolean last)
{
  boolean current = digitalRead (Button);

  if (last != current);
  {
    delay (5);
    current = digitalRead (Button);
  }
  return current;
}

void loop()
{
  currentButton= debounce (lastButton);
    Serial.println(currentButton);
  if (lastButton==LOW && currentButton==HIGH)
  {
    LEDOn= !LEDOn;
  }
  digitalWrite (BlueLED, LEDOn);
  lastButton = currentButton;
}