// JavaScript Document

function FK_toggle(num) {
	__toggle(0,20,num);
}

function __toggle(start,len,num) {
	for(var i = start; i <= (start + len); i++)
	{
		var obj = document.getElementById("s" + i);
		if(obj)
		{
			if(i == num)
				obj.style.display = obj.style.display != 'block' ? 'block' : 'none';
			else
				obj.style.display = 'none';
		}
	}
}