function ShowDescription(name) {
	var descriptionid=document.getElementById(name);

	if( descriptionid.style.visibility == "visible" )
	{
		descriptionid.style.visibility = "hidden";
		descriptionid.style.display="none";
	}
	else
	{
		descriptionid.style.visibility = "visible";
		descriptionid.style.display="block";
	}
}
function navigate(choice)
{
	var addurl=choice.options[choice.selectedIndex].value;
	var a='index.php?id=291';
	a+=addurl;
	location.href=a;
}
function redirect(id)
{
	var a='index.php?id=';
	a+=id;
	location.href=a;
}