function showPopup(adr, window_id) {
   window.open(adr, window_id, 'toolbar=1,location=1,status=1,menubar=1,resizable=1,scrollbars=1,width=860,height=700');
}

function menu_goto( optionId )
{
	var optiondd = document.getElementById(optionId);
	var baseurl = "http://www.sdp.hr" ;
	selecteditem = optiondd.selectedIndex ;
	newurl = optiondd.options[ selecteditem ].value ;
    if (newurl.length != 0) {
      location.href = baseurl + newurl ;
    }
}