function isEmptyTextField(formObjectName){
	var empty = false;
	var formObject = document.getElementById(formObjectName);
	clearError(formObjectName);
	if(formObject){
		if(formObject.value==""){
			empty=true;
			showError(formObjectName, "Required field.");
		}
	}else{
		//alert('isEmptyTextFieldScript ALERT: El objeto ' + formObjectName + ' no existe.');\n";
	}
	//alert(formObjectName+ ' is empty: ' +empty);
	return empty;
}

function isEmptyDate(formObjectName){
	var empty = false;
	var day = document.getElementById(formObjectName+"Day");
	var month = document.getElementById(formObjectName+"Month");
	var year = document.getElementById(formObjectName+"Year");
	clearError(formObjectName);
	//alert(formObjectName +": "+ day.value +" -- "+ month.value +" -- "+ year.value);
	if(day.value=="" || month.value=="" || year.value==""){
		empty=true;
		showError(formObjectName, "Required field.");
	}
	return empty;
}
	
function showError(formObjectName, text){
	var formObject = document.getElementById(formObjectName+"Error");
	if(formObject) formObject.innerHTML=text;
	var formObject = document.getElementById(formObjectName+"Label");
	if(formObject){
		var className = formObject.className;
		if(text==""){
			if(className.indexOf("Error")>0){
				formObject.className = className.split("Error")[0];
			}
		}else{
			if(className.indexOf("Error")==-1){
				formObject.className = className+"Error";
			}
		}
	}
}
		
function clearError(formObjectName){
	showError(formObjectName, "");
}

function checkTelephone(formObjectName){
	var ok = true;
	var formObject = document.getElementById(formObjectName);
	var value = formObject.value;
	if(value!=""){
		formObject.value = clearSpaces(value);
		value = formObject.value;
		if(value.indexOf("+")==0){
			value = value.substr(1);
		}
		if(isNaN(value) || value.length<9){
			showError(formObjectName, "Incorrect telephone.");
			ok=false;
		}else{
			clearError(formObjectName);
		}
	}
	return ok;
}

function checkEmail(formObjectName){
	var ok = true;
	var formObject = document.getElementById(formObjectName);
	var value = formObject.value;
	if(value!=""){
		var a = value.indexOf("@");
		var p = value.indexOf(".", a);
		if(a>-1 && p>-1){
			clearError(formObjectName);	
		}else{
			showError(formObjectName, "Incorrect e-mail.");
			ok=false;
		}
	}
	return ok;
}

function validatePassword(formObjectName){
	var ok = true;
	var password1 = document.getElementById(formObjectName);
	var password2 = document.getElementById(formObjectName+"Bis");
	clearError(formObjectName+"Bis");
	if(password1.value != password2.value){
		ok=false;
		showError(formObjectName+"Bis", "Both passwords must be the same.");
	}
	return ok;
}

function clearSpaces(string){
	while (string.indexOf(" ")>-1){
		string = string.replace(" ", "");
	}
	return string;
}

//UTC in seconds
function UTCtoString(UTC){
	var months = ["Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", "Julio", "Agosto", "Septiembre", "Octubre", "Noviembre", "Diciembre"];
	var date = new Date(UTC*1000);
	var d = date.getDate();
	var m = date.getMonth();
	var y = date.getFullYear();
	var string = d+" de "+months[m]+" del "+y;
	return string;
}

function callbackSelect(xmlhttp){
	var elements = xmlhttp.responseXML.getElementsByTagName("data");
	//Con los cambios de CHARSETs en IE hubo problemas con el XML. Por eso
	//compruebo antes la longitud
	if(elements.length > 0){
		var fieldId = elements[0].getAttribute("fieldId");
		var defaultValue = xmlhttp.responseXML.getElementsByTagName("data")[0].getAttribute("defaultValue");
		var selectElement = document.getElementById(fieldId);
		var options = xmlhttp.responseXML.getElementsByTagName("option");
		if(options.length==0){
			selectElement.disabled = false;
		}else{
			for(i=0; i< options.length; i++){
				var id = options[i].getAttribute("id");
				var label = decodeURI(options[i].getAttribute("label"));
				var info = options[i].getAttribute("info");
				var info2 = options[i].getAttribute("info2");
				var currentId = selectElement.options.length;
				selectElement.options[currentId] = new Option(label, id);
				if(defaultValue==id) {
					selectElement.selectedIndex = currentId;
				}else{
					if(options.length == 1){
						selectElement.selectedIndex = currentId;
						if(selectElement.onchange) selectElement.onchange();
					}
				}
				
				//Esto lo puse para Logistus
				//pero deberia borrarlo o hacerlo dinamico
				if(info!=null){
					var option = selectElement.options[currentId];		
					var newAttr = document.createAttribute("info");
					newAttr.nodeValue = info;
					option.setAttributeNode(newAttr);
				}
				if(info2!=null){
					var option = selectElement.options[currentId];		
					var newAttr = document.createAttribute("info2");
					newAttr.nodeValue = info2;
					option.setAttributeNode(newAttr);
				}
				//---
			}
			selectElement.disabled = false;
		}
	}
}

function getSelectText(id){
	var select = document.getElementById(id);
	var option = select.options[select.selectedIndex];
	return option.text;
}