function checkDate(){
	if(document.getElementById("dateYear").value=="0"){
		document.getElementById("dateMonth").selectedIndex = 1;
	}
	if(document.getElementById("dateMonth").value=="0"){
		document.getElementById("dateDay").selectedIndex = 1;
	}
}

//Esta funcion ya no se usa
function changeLocale(locale){
	document.location = "?locale="+locale;
}

function refreshLists(){
	refreshDemandList(null, false);
	refreshOfferList(null, false);
	refreshMap();
}

function refreshDemandList(page, refreshMapBool){
	refreshAdvertList("demand", page);
	//if(refreshMapBool == null || refreshMapBool) refreshMap();
}

function refreshOfferList(page, refreshMapBool){
	refreshAdvertList("offer", page);
	//if(refreshMapBool == null || refreshMapBool) refreshMap();
}

xmlhttpAdvertList=null;
function refreshAdvertList(objectName, page){
	if (xmlhttpAdvertList==null) xmlhttpAdvertList = newAjax();
	if(page==null || page=="") page = 1;
	var table = document.getElementById(objectName+"Table");
	//table.width = "470px";
	if(table){
		var fromCountry = document.getElementById("fromCountryGM").value;
		var fromProvince = document.getElementById("fromProvinceGM").value;	
		var fromCity = document.getElementById("fromCityGM").value;
		var toCountry = document.getElementById("toCountryGM").value;
		var toProvince = document.getElementById("toProvinceGM").value;	
		var toCity = document.getElementById("toCityGM").value;
		clearList(objectName);

		var urlServlet = "sharelingServlet.php";
		var paramsGET = "?func="+objectName+"sBylocation&objectName="+objectName+"&page="+page+"&fromCountry="+fromCountry+"&fromProvince="+fromProvince+"&fromCity="+fromCity+"&toCountry="+toCountry+"&toProvince="+toProvince+"&toCity="+toCity;
		if(xmlhttpAdvertList.readyState!=2 && xmlhttpAdvertList.readyState!=3){
			callAjax(callbackRefreshAdvertList, paramsGET, urlServlet);
		}
	}
}

function callbackRefreshAdvertList(xmlhttp){
	var objectName = xmlhttp.responseXML.getElementsByTagName("data")[0].getAttribute("objectName");
	var table = document.getElementById(objectName+"Table");
	
	var pagination = xmlhttp.responseXML.getElementsByTagName("pagination").item(0);
	
	var adverts = xmlhttp.responseXML.getElementsByTagName(objectName);
	var regPerPage = 25;
	if(adverts.length > 0){
		writePagination(objectName, table, pagination);

		if(objectName=="demand"){
			writeDemands(table, adverts, pagination);
		}else{
			writeOffers(table, adverts, pagination);
		}
			
		writePagination(objectName, table, pagination);
	}else{
		writeNoDemands(table, objectName);
	}

	/*
	for(i=adverts.length;i<regPerPage;i++){
		writeBlankRow(table);
	}
	*/
}

function writeNoDemands(table, objectName){
	var oRow = table.insertRow(table.rows.length);
	oRow.className = "lightRow";
	var oCell = document.createElement("TD");
	oCell.align = "center";	
	oRow.appendChild(oCell);
	oCell.innerHTML = "No se han encontrado resultados que coincidan con tu b&uacute;squeda.";	
	if(objectName=="demand"){
		oCell.innerHTML+= "<br/><a class=\"demandLink\" href=\"demands.html\">"+noDemandsTxt(objectName)+"</a>";
	}else{
		oCell.innerHTML+= "<br/><a class=\"offerLink\" href=\"offers.html\">"+noDemandsTxt(objectName)+"</a>";
	}
}

function noDemandsTxt(advertName){
	var emptyText = "--";

	var labelFCou = getSelectText("fromCountryGM");
	var labelFPro = getSelectText("fromProvinceGM");
	var labelFCit = getSelectText("fromCityGM");	
	
	var labelTCou = getSelectText("toCountryGM");
	var labelTPro = getSelectText("toProvinceGM");
	var labelTCit = getSelectText("toCityGM");
	
	var from = "";
	if (labelFCit != emptyText){
		from = labelFCit;
	}else if (labelFPro != emptyText){
		from = labelFPro;
	}else{
		from = labelFCou;
	}

	var to = "";
	if (labelTCit != emptyText){
		to = labelTCit;
	}else if (labelTPro != emptyText){
		to = labelTPro;
	}else{
		to = labelTCou;
	}
	
	var txt = "";
	if(labelFCou!=emptyText && labelTCou!=emptyText){
		txt = from + " a " + to;
	}else if(labelFCou!=emptyText){
		txt = from;	
	}else{
		txt = to;		
	}
	
	if(advertName=="demand"){
		var noDemands = "Se el primero en poner una demanda de "+txt;
	}else{
		var noDemands = "Se el primero en poner una oferta de "+txt;	
	}
	return noDemands;
}


function writePagination(objectName, table, pagination){
	var pages = pagination.getAttribute("pages");

	var paginationCode = pagination.firstChild.nodeValue;

	var oRow = table.insertRow(table.rows.length);
	oRow.className = "lightRow";
	var oCell = document.createElement("TD");
	oCell.colSpan = 5;
	if(objectName=="demand"){
		oCell.align = "right";
	}else{
		oCell.align = "left";
	}
	oCell.height = 30;
	oRow.appendChild(oCell);
	oCell.innerHTML = paginationCode;
}

function writeDemands(table, demands, pagination){
	for(i=0; i< demands.length; i++){
		writeLine(table);
	
		var demand = demands[i];
		var id = demand.getAttribute("id");
		var fromCityName = demand.getAttribute("fromCityName");
		var toCityName = demand.getAttribute("toCityName");
		var dateStr = demand.getAttribute("dateStr");
		var url = demand.getAttribute("url");		

		var trOn = "#fff0c5";
		var classCss = "lightRow";			//IMPAR
		var trColor = "#FFFFFF";			
		if((i/2)==(Math.round(i/2))){
			var classCss = "darkRow"; 			//PAR
			var trColor = "#F3F3F3";
		}

		var oRow = table.insertRow(table.rows.length);
		oRow.bgColor = trColor;
		oRow.url = url;
		oRow.onclick = function(){
			document.location = this.url;
		}
		
		oRow.onmouseover = function(){
			colorMe(this, trOn);
		}
		oRow.trColor = trColor;
		oRow.onmouseout = function(){
			colorMeNot(this, this.trColor);
		}
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 10;
		oCell.height = 30;
		if(i==0){
			oCell.innerHTML = "<input type='hidden' id=\"pageDemands\" value=\""+pagination.getAttribute("currentPage")+"\"/>&nbsp;";
		}else{
			oCell.innerHTML = "&nbsp;";
		}
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 250;
		oCell.innerHTML = "<span class=\"textGrey\">Quiero ir de </span><span class=\"demandText\">"+fromCityName+"</span><span class=\"textGrey\"> a </span><span class=\"demandText\">"+toCityName+"</span>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 150;	
		oCell.align = "right";	
		oCell.innerHTML = "<span class=\"textGrey\">"+dateStr+"</span>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 30;
		oCell.align = "right";		
		oCell.innerHTML = "<a href=\""+url+"\"><img src=\"/images/demandArrow.gif\" alt=\"\" height=\"16\" width=\"16\"></a>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 10;
		oCell.innerHTML = "&nbsp;";		
	}
	writeLine(table);
}

function writeLine(table){
	var oRow = table.insertRow(table.rows.length);
	var oCell = document.createElement("TD");
	oRow.appendChild(oCell);
	oCell.colSpan = 5;
	oCell.className = "line";
}

function writeOffers(table, offers, pagination){
	for(i=0; i< offers.length; i++){
		writeLine(table);
	
		var offer = offers[i];
		var id = offer.getAttribute("id");
		var fromCityName = offer.getAttribute("fromCityName");
		var toCityName = offer.getAttribute("toCityName");
		var dateStr = offer.getAttribute("dateStr");
		var url = offer.getAttribute("url");		

		var trOn = "#d1eeec";
		var classCss = "lightRow";			//IMPAR
		var trColor = "#FFFFFF";			
		if((i/2)==(Math.round(i/2))){
			var classCss = "darkRow"; 			//PAR
			var trColor = "#F3F3F3";
		}

		var oRow = table.insertRow(table.rows.length);
		oRow.bgColor = trColor;
		oRow.url = url;
		oRow.onclick = function(){
			document.location = this.url;
		}
		
		oRow.onmouseover = function(){
			colorMe(this, trOn);
		}
		oRow.trColor = trColor;
		oRow.onmouseout = function(){
			colorMeNot(this, this.trColor);
		}
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 10;
		oCell.height = 30;
		if(i==0){
			oCell.innerHTML = "<input type='hidden' id=\"pageOffers\" value=\""+pagination.getAttribute("currentPage")+"\"/>&nbsp;";
		}else{
			oCell.innerHTML = "&nbsp;";
		}
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 250;
		oCell.innerHTML = "<span class=\"textGrey\">Voy a ir de </span><span class=\"offerText\">"+fromCityName+"</span><span class=\"textGrey\"> a </span><span class=\"offerText\">"+toCityName+"</span>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 150;	
		oCell.align = "right";	
		oCell.innerHTML = "<span class=\"textGrey\">"+dateStr+"</span>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 30;
		oCell.align = "right";		
		oCell.innerHTML = "<a href=\""+url+"\"><img src=\"/images/offerArrow.gif\" alt=\"\" height=\"16\" width=\"16\"></a>";
		
		var oCell = document.createElement("TD");
		oRow.appendChild(oCell);
		oCell.width = 10;
		oCell.innerHTML = "&nbsp;";		
	}
	writeLine(table);
}

function writeBlankRow(table){
	var oRow = table.insertRow(table.rows.length);
	oRow.className = "lightRow";
	
	var oCell = document.createElement("TD");
	oRow.appendChild(oCell);
	oCell.className = "lightRow";
	oCell.width = 10;
	oCell.colspan = 5;
	oCell.innerHTML = "&nbsp;";

}

function clearList(objectName){
	var table = document.getElementById(objectName+"Table");
	while(table.rows.length > 0){
		table.deleteRow(0);
	}
}

function privacyNotice(){
	window.open('/privacyNotice.html','_blank', 'height=500,width=600,status=yes,scrollbars=yes,toolbar=no,menubar=yes,location=no');
}

function provincePopUp(selfName, targetProvinceName, targetCityName){
	var countrySelect = document.getElementById(selfName);
	if(countrySelect.selectedIndex!=0){
		var countryOption = countrySelect.options[countrySelect.selectedIndex];
		var countryId = countryOption.value;
		var countryName = escape(countryOption.text);
		var childWindow = window.open('/citiesList.html?targetProvinceName='+targetProvinceName+'&targetCityName='+targetCityName+'&countryId='+countryId+'&countryName='+countryName,'_blank', 'height=300,width=400,status=yes,scrollbars=yes,toolbar=no,menubar=yes,location=no');
		if (childWindow.opener == null) childWindow.opener = self;
	}else{
		alert("Selecciona primero un pais.");
	}
   	 
}

function setProvinceFromPopUp(targetProvinceName, targetCityName, provinceId, cityId){
	var countrySelect = document.getElementById(targetProvinceName);
	countrySelect.value = provinceId;
	refreshSelectCity(countrySelect, targetCityName, cityId, null);
}

function gotoParent(targetProvinceName, targetCityName, provinceId, cityId){
	opener.setProvinceFromPopUp(targetProvinceName, targetCityName, provinceId, cityId);
	self.close();
}

function selfValidate(){
	var valid = true;
	var regularRoute = document.getElementById("regularRoute");
	
	if(!regularRoute.checked){
		var formObjectName = "date";
		var day = document.getElementById(formObjectName+"Day");
		var month = document.getElementById(formObjectName+"Month");
		var year = document.getElementById(formObjectName+"Year");
		clearError(formObjectName);
		if(year.value==""){
			valid = false;
			showError(formObjectName, "Este campo es obligatorio.");
		}
		if(day.value==""){
			document.getElementById(formObjectName+"Day").value = 0;
		}
		if(month.value==""){
			document.getElementById(formObjectName+"Month").value = 0;
			if(document.getElementById(formObjectName+"Day").value!=0){
				valid = false;
				showError(formObjectName, "Fecha incorrecta.");
			}	
		}
		if(valid){
			valid = checkNoOldDate(formObjectName);
		}
	}
	
	return valid;
}

function checkNoOldDate(formObjectName){
	var valid = true;
	var day = parseInt(document.getElementById(formObjectName+"Day").value);
	var month = parseInt(document.getElementById(formObjectName+"Month").value);
	var year = parseInt(document.getElementById(formObjectName+"Year").value);

	var currentDay = 11;
	var currentMonth = 3;	
	var currentYear = 2010;		

	if(year>0 && !isNaN(year)){
		if(year<currentYear){
			valid = false;
		}else{
			if (year==currentYear){
				if(month>0 && !isNaN(month)){
					if(month<currentMonth){
						valid = false;
					}else{
						if(day>0 && !isNaN(day)){
							if (month==currentMonth){
								if(day<currentDay){
									valid = false;
								}
							}
						}			
					}
				}
			}
		}
	}
	
	if(!valid){
		showError(formObjectName, "La fecha no puede ser anterior a hoy.");
	}
	return valid;
}

function onchangeRegularRoute(formObject){
	//var dateRow = document.getElementById("dateRow");
	//dateRow.style.visibility = "hidden";
	
	var select = document.getElementById("dateDay");
	select.selectedIndex = 0;
	select.disabled = formObject.checked;
	var select = document.getElementById("dateMonth");
	select.selectedIndex = 0;
	select.disabled = formObject.checked;
	var select = document.getElementById("dateYear");
	select.selectedIndex = 0;
	select.disabled = formObject.checked;
}

function colorMe(src,color_entrada){
	src.bgColor=color_entrada;
	src.style.cursor="hand";
}

function colorMeNot(src,color_default){
	src.bgColor=color_default;
	src.style.cursor="default";
}