/**
* Window popup
*/
function popup(url, width, height)
{
	window.open(url.replace(/&/g, '&'), '_popup', 'height=' + height + ',resizable=yes,scrollbars=yes, width=' + width);
	return false;
}

/**
* Jump to page
*/
function jumpto()
{
	var page = prompt(jump_page, on_page);

	if (page !== null && !isNaN(page) && page > 0)
	{
		document.location.href = base_url.replace(/&/g, '&') + '&start=' + ((page - 1) * per_page);
	}
}