function flap(elem_main)
{
	if (document.all&&document.getElementById) {
		var xChild = elem_main.childNodes[1];
		if(xChild)
		{
			xChild.style.setAttribute("display", "block", false);
		}
	}
}
function unFlap(elem_main)
{
	if (document.all&&document.getElementById) {
	    var xChild = elem_main.childNodes[1];
	    if(xChild)
	    {
		xChild.style.setAttribute("display", "none", false);
	    }
	}
}