public static boolean isAlive(int xPos, int yPos)
    {
    	System.out.println("xpos:"+xPos+" "+yPos);
    	System.out.println("xdim:"+xDim+" "+yDim);
    	
    	if(xPos < 0 && yPos < 0 && grid[xDim-1][yDim-1].alive == true)
    	{
    		return true;
    	}
    	else if( xPos <= xDim && yPos <= yDim && grid[0][0].alive == true)
    	{
    		return true;
    	}
    	else if(xPos < 0 && grid[xDim-1][yPos].alive == true)
    	{
    		return true;
    	}
    	else if(xPos <= xDim && grid[0][yPos].alive == true)
    	{
    		return true;
    	}
    	else if(yPos < 0 && grid[xPos][yDim-1].alive == true)
    	{
    		return true;
    	}
    	else if(yPos <= yDim && grid[xPos][0].alive == true)
    	{
    		return true;
    	}
    	else
    	{
    		return false;
    	}	
    	
    }