public int insideCircle(double x, double y){
        	int size = centers.size();
         	int newx = (int)x-RADIUS-CLICK_ADJUSTMENT;
         	int newy = (int)y-RADIUS-CLICK_ADJUSTMENT;
        	int selected = -1;
        	try{
	        	for(int i = 0; i < size; i++){
	        		if(((centers.get(i).getX() + 50)>newx && newx>(centers.get(i).getX() - 50)) && 
	        				((centers.get(i).getY() + 50)>newy && newy>(centers.get(i).getY() - 50))){
	        			selected = i;
	        		}
	        	}
        	}catch(IndexOutOfBoundsException e){}
        	return selected--;
        }