// Loading URLs 
// by REAS <http://reas.com> 

boolean overLeftButton = false; 
boolean overRightButton = false; 
 
void setup() 
{ 
  size(200, 200); 
} 
 
void draw() 
{ 
  background(204); 
  
  // Left buttom 
  if(overLeftButton == true) { 
    fill(255); 
  } else { 
    noFill(); 
  } 
  rect(20, 60, 75, 75); 
  rect(50, 90, 15, 15); 
  
  // Right button 
  if(overRightButton == true) { 
    fill(255); 
  } else { 
    noFill(); 
  } 
  rect(105, 60, 75, 75); 
  line(135, 105, 155, 85); 
  line(140, 85, 155, 85); 
  line(155, 85, 155, 100); 
} 
 
void mousePressed() 
{ 
  if(overLeftButton) { 
    link("http://www.processing.org"); 
  } else if (overRightButton) { 
    link("http://www.processing.org", "_new"); 
  } 
} 
 
void mouseMoved() { 
  checkButtons(); 
} 
  
void mouseDragged() { 
  checkButtons(); 
} 
 
void checkButtons() { 
  if(mouseX > 20 && mouseX < 95 && 
     mouseY > 60 && mouseY <135) { 
    overLeftButton = true;   
  }  else if (mouseX > 105 && mouseX < 180 && 
     mouseY > 60 && mouseY <135) { 
    overRightButton = true; 
  } else { 
    overLeftButton = overRightButton = false; 
  } 
 
}