function It(layerName){
  if(document.getElementById) return document.getElementById(layerName)
  if(document.all) return document.all[layerName]
  return null
}

element_up = 'qweqwe';
element_qown = 'qweqwe';
iter_up = -1;
iter_down = -1;

colors = new Array("#FFFFFF", "#EEEEEE", "#DDDDDD", "#CCCCCC", "#BBBBBB", "#AAAAAA", "#999999", "#888888", "#777777", "#666666", "#555555", "#444444", "#333333", "#222222", "#111111", "#000000");
max_iter = 15;

function Begin_shade(i){
	if (i != element_up)
	{
		element_up = i;
		iter_up = 0;
	}
}

function End_shade(){
	if (iter_down != -1)
	{
		iter_down = -1;
		It(element_down).style.color = colors[0];
	}
	if (iter_up != -1)
	{
		iter_down = iter_up;
		element_down = element_up;
		element_up = 'qweqwe';
		iter_up = -1;
	}
}

function time_(){
	if (iter_up != -1)
	{
		iter_up = iter_up + 1;
		if (iter_up > max_iter)
			iter_up = max_iter;
		It(element_up).style.color = colors[iter_up];
	}
	if (iter_down != -1)
	{
		iter_down = iter_down - 1;
		It(element_down).style.color = colors[iter_down];
		if (iter_down == 0)
			iter_down = -1;
	}
}

setInterval("time_()", 40);
document.write("<div style=\"position:absolute; top:-100;\" id=\"qweqwe\"></div>");