function navigate_page(sPage, button)
{
	if (sPage == 'n') document.forms[0].direction.value = 'next';
	else if (sPage == 'p') document.forms[0].direction.value = 'previuos';
	else document.forms[0].direction.value = sPage;
	if(button!=null) 
		button.disabled=true;
	
	document.forms[0].submit();
	return false;
}

function goto_page(dest_url)
{
	window.location = dest_url;
}