wn = false;

function comment_on_slider(no){
	var left = document.getElementById("left_" + (no + 1));
	var right = document.getElementById("right_" + (no + 1));
	var x = slider_xs[no]
	var xl = x;
	var xr = 511 - x;
	if(x < 255){
		left.style.backgroundColor = "#" + (Math.round(xl)).toString(16) + "ff" + (Math.round(xl)).toString(16);
		right.style.backgroundColor = "#ff" + (Math.round(xl)).toString(16) + (Math.round(xl)).toString(16);
	}else{
		right.style.backgroundColor = "#" + (Math.round(xr)).toString(