function executeKrajChoice(obj){window.location=obj.options[obj.selectedIndex].value;}
function executeOkresChoice(obj){window.location=obj.options[obj.selectedIndex].value;}
function executeMestoChoice(obj){window.location=obj.options[obj.selectedIndex].value;}
function executePocetdniChoice(obj){window.location=obj.options[obj.selectedIndex].value;}