function popup_window(url, settings)
{
	var mrpwin = window.open(url, "mrppopup", settings);
}

function load_main(whereto)
{
  	if (window.opener.top)
	{
      		window.opener.top.location.href = whereto; 		
  	}
	else
	{
      		window.open(whereto, 'mrpmain')
  	}
}