function openurl(url)
{
	window.open (url, "", "width=480,height=280,toolbar=no,status=no,menubar=no,resizable=no,scrollbars=no");
}

function gourl(url)
{
	window.open (url);
}

function hideurl(url)
{
	window.open (url, "", "width=1,height=1");
}