var myDomain = 'http://www.avui.cat';
var myMeteoEncoding = 'iso-8859-1';
var myMeteoBaseURL = 'http://www.avui.cat' + '/client/avui_cat/components/meteorologia/behaviour/';

function getMunicipis(idSelectComarques, idSelectMunicipis, indexComarcaSelect) {
	
	var idComarca = getSelectedValue(idSelectComarques, indexComarcaSelect);
	var myParams = 'comarca=' + idComarca;
	var myURL = myMeteoBaseURL + 'municipisByComarca.php';
	var myAjax = new Ajax.Request(
		myURL,
		{
			method: 'get',
			encoding: myMeteoEncoding,
			parameters: myParams,
			onComplete: function(transport) {
				if (200 == transport.status) { changeMuncipiContent(transport.responseXML, idSelectMunicipis); }
				}
		});
}

function changeMuncipiContent(xml, idSelectMunicipis) {
	var xmlDoc = xml.documentElement;
	var xmlOptions = xmlDoc.getElementsByTagName("option");
	
	removeEverythingSelect(idSelectMunicipis);
	
	for (i=0; i< xmlOptions.length; i++) {
		var selectValue = xmlOptions[i].attributes[0].nodeValue; // id
		var selectText = xmlOptions[i].childNodes[0].nodeValue; //municipi
		addSelect(idSelectMunicipis, selectValue, selectText);
	}
}

function getSelectedValue(idSelect, indexSelect) {
	var mySelect = document.getElementById(idSelect);
	return mySelect.getElementsByTagName("option")[indexSelect].value;
}

function removeEverythingSelect(idSelect) {
	var mySelect = document.getElementById(idSelect);
	while (mySelect.length != 0) {
		for (i=0; i < mySelect.length; i++) {
			mySelect.remove(mySelect[i]);
		}
	}
}

function addSelect(idSelect, valueSelect, textSelect) {
	
/*	var option = new Element('option', { value: valueSelect }).update(textSelect);
	
	try { 
		$(idSelect).add(option, null); 
	}
	
	catch(ex) // IE
  	{ 	*/
  		var IEoption = document.createElement('option');
  		IEoption.value = valueSelect;
  		IEoption.text = textSelect;
  		if (navigator.appName=="Microsoft Internet Explorer")
			document.getElementById(idSelect).add(IEoption);
		else
			$(idSelect).add(IEoption, null);
  	//}	
}

function getMeteoInfo(idSelectMunicipis, indexMunicipiSelect, urlXML, urlImages, idMeteoInfo) {

	var idMunicipi = getSelectedValue(idSelectMunicipis, indexMunicipiSelect);
	var myParams = 'municipi=' + idMunicipi + '&urlXML=' + urlXML + '&urlImages=' +urlImages;
	var myURL = myMeteoBaseURL + 'meteoInfo.php';

	var myAjax = new Ajax.Request(
		myURL,
		{
			method: 'get',
			encoding: myMeteoEncoding,
			parameters: myParams,
			onComplete: function(transport) {
				if (200 == transport.status) { changeMeteoInfo(transport.responseText, idMeteoInfo); }
				}
		});

}

function changeMeteoInfo(response, idMeteoInfo) {
	document.getElementById(idMeteoInfo).innerHTML = response;
}

function sendMeteoForm(idMeteoForm) {
	document.getElementById(idMeteoForm).submit();
}