var mainUrl;


function loadCountries(comboId)
{
	
	new Request({method: 'get', url: mainUrl+'?component=country',
		onSuccess: function(responseText, responseXML){
		var xml = responseXML.documentElement;
		for (i = 0; i < xml.getElementsByTagName('country').length; i++)
		{
			var item = xml.getElementsByTagName('country')[i];
			addOption($(comboId), item.attributes[0].textContent, item.textContent);
		}
		$(comboId).disabled = false;
	}}).send();
}

function addOption(sel, val, text) {
  var opt = document.createElement('option');
  opt.value = val;
  opt.text = text;
  sel.appendChild(opt);
}