var ajax=new sack();function getRegionsList(sel)
{var countryCode=sel.options[sel.selectedIndex].value;document.getElementById('regionList').options.length=0;if(countryCode.length>0){ajax.requestFile='ajax-get-regions.php?countryCode='+countryCode;ajax.onCompletion=createCities;ajax.runAJAX();}}
function createCities()
{var obj=document.getElementById('regionList');eval(ajax.response);}