var DIM = 69;
var drawSquare = function(xPos, yPos){
  rect(xPos*DIM, yPos*DIM, DIM, DIM);
};
for(var xPos = 0; xPos<5; xPos++){
for(var yPos = 0; yPos<5; yPos++){
    drawSquare(xPos, yPos);
}
}

var drawCircle = function(xPos, yPos){
    ellipse((xPos+0.5)*DIM, (yPos+0.5)*DIM, DIM, DIM);
};
//Put Circle places here
drawCircle(0,0);
var drawX = function(xPos, yPos){
  line(xPos*DIM, yPos*DIM,(xPos+1)*DIM, (yPos+1)*DIM);
  line(xPos*DIM, (yPos+1)*DIM, (xPos+1)*DIM, yPos*DIM);
};
//Put X places here
drawX(0,2);

mouseClicked=function (){
    drawCircle(3,4);
};