//x = down
//y = right

function Temp() {
	for (var i=0;i<gridsize_y;i++) {
		grid[0][i] = "1"
		grid[29][i] = "1"
	}
	for (var i=1;i<gridsize_x;i++) {
		grid[i][0] = "1"
		grid[i][29] = "1"
	}
}