var formObjectFocused = false;

function isEmptyField(formObjectName){
	var empty = false;
	var formObject = document.getElementById(formObjectName);
	clearError(formObjectName);
	if(formObject && !formObject.disabled){
		if(formObject.value==""){
			empty=true;
			showError(formObjectName, "Este campo es obligatorio.");
			setFocus(formObject);
		}
	}
	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);
	if(day.value=="" || month.value=="" || year.value==""){
		empty=true;
		showError(formObjectName, "Este campo es obligatorio.");
		setFocus(day);		
	}
	return empty;
}

function isEmptyURL(formObjectName){
	var empty = false;
	var formObject = document.getElementById(formObjectName);
	clearError(formObjectName);
	if(formObject && !formObject.disabled){
		if(formObject.value=="" || formObject.value=="http://"){
			empty=true;
			showError(formObjectName, "Este campo es obligatorio.");
			setFocus(formObject);
		}
	}
	return empty;
}

function setFocus(formObject){
	if(!formObjectFocused){
		formObject.focus();	
		formObjectFocused = true;
	}
}

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);
	if(!formObject.disabled){
		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, "Tel&eacute;fono incorrecto.");
				setFocus(formObject);				
				ok=false;
			}else{
				clearError(formObjectName);
			}
		}
	}
	return ok;
}

function checkEmail(formObjectName){
	var ok = true;
	var formObject = document.getElementById(formObjectName);
	if(!formObject.disabled){	
		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, "Email incorrecto.");
				setFocus(formObject);				
				ok=false;
			}
		}
		return ok;
	}
}

function checkNumber(formObjectName){
	var ok = true;
	var formObject = document.getElementById(formObjectName);
	if(!formObject.disabled){
		var value = formObject.value;
		if(value!=""){		
			value = value.replace(",", ".");
			formObject.value = value;
			if(isNaN(value)){
				showError(formObjectName, "N&uacute;mero incorrecto.");
				setFocus(formObject);			
				ok=false;
			}else{
				clearError(formObjectName);
			}
		}
	}
	return ok;
}

function checkIGTZ(formObjectName){
	var ok = checkNumber(formObjectName);
	if(ok){
		var formObject = document.getElementById(formObjectName);
		if(!formObject.disabled){
			var value = formObject.value;
			if(value!=""){
				if(value.indexOf(".") >=0){
					valueSP = value.split(".");
					value = valueSP[0];
				}
				formObject.value = value;
				if(isNaN(value) || value < 1){
					showError(formObjectName, "Ha de ser un n&uacute;mero mayor de cero.");
					setFocus(formObject);				
					ok=false;
				}else{
					clearError(formObjectName);
				}
			}
		}
	}
	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;
		setFocus(formObject);		
		showError(formObjectName+"Bis", "Las dos contrase&ntilde;as no coinciden.");
	}
	return ok;
}

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

//PRE: 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;
}

//Obligatorio implementar deleteAttachCallback para ejecutar algo una vez llamado a Ajax
//Obligatorio la funcion deleteAttach dentro del servlet del proyecto
//La funcion 'deleteAttach' se ha de implementar en el servlet del proyecto
function deleteAttachAJAX(id, isNew){
	if(confirm("Realmente lo desea eliminar?")){
		var urlServlet = "http://www.iedbarcelona.es/servlet.php";
		var paramsGET = "?func=deleteAttach&id="+id+"&isNew="+isNew;
		callAjax(deleteAttachCallback, paramsGET, urlServlet);
	}
}

//Borra las filas de una tabla
function emptyTable(tableName){
	var table = document.getElementById(tableName);
	while(table.rows.length > 0){
		table.deleteRow(0);
	}
}

//tagName corresponde a lo que se genere en el engineServlet: image - documento
function refreshAttachGridTable(xmlhttp, tagName){
	var cols = 4;
	var currentCol = 0;
	
	var tableName = "attachGridTable";
	var table = document.getElementById(tableName);
	if(table){
		emptyTable(tableName);
		var oRow = null;
		var attachments = xmlhttp.responseXML.getElementsByTagName(tagName);
		for(i=0; i< attachments.length; i++){
			var attach = attachments[i];
			var id = attach.getAttribute("id");					
			var href = attach.getAttribute("href");
			var fileSrc = attach.getAttribute("fileSrc");
			
			currentCol++;
			if(currentCol>=cols || oRow==null){
				var oRow = table.insertRow(table.rows.length);
				currentCol = 0;
			}
				
			var oCell = oRow.insertCell(oRow.cells.length);
			oCell.align = "center";				
			
			var innerHTMLCode ="<a target=\"_blank\" href=\""+href+"\">";
			innerHTMLCode+="<img src=\""+fileSrc+"\" class=\"corner iradius5 ishadow25\" />";
			innerHTMLCode+="</a><br/>";
			innerHTMLCode+="<a href=\"javascript:deleteAttachAJAX("+id+")\" class=\"formLink\"/>Eliminar</a>";
			
			oCell.innerHTML = innerHTMLCode;
		}
		
	}
}

function refreshAttachListTable(xmlhttp, tagName){
	var tableName = "attachlistTable";
	var table = document.getElementById(tableName);
	if(table){
		emptyTable(tableName);
		var classA = true;
		var attachments = xmlhttp.responseXML.getElementsByTagName(tagName);
		for(i=0; i< attachments.length; i++){
			var attach = attachments[i];
			var id = attach.getAttribute("id");					
			var ico = attach.getAttribute("ico");
			var name = attach.getAttribute("name");
			
			var oRow = table.insertRow(table.rows.length);
			oRow.id = "trattach"+id;
			if(classA) var className = "listsRowA";
			else var className = "listsRowB";
			oRow.className = className;
			var innerHTMLCode = '<td class="'+className+'">';
			innerHTMLCode+='<img src="'+ico+'" border="0">';
			innerHTMLCode+='</td>';
			innerHTMLCode+='<td width="250" class="'+className+'">';
			innerHTMLCode+='<span class="'+className+'">'+name+'</span></td>';
			innerHTMLCode+='<td align="center" class="'+className+'"><a href="javascript:deleteAttachAJAX('+id+');" title="Eliminar"><img src="./images/ico_del.gif" border="0"></a></td>';
			
			oRow.innerHTML = innerHTMLCode;
			classA=!classA;
		}
	}
}

//tagName corresponde a lo que se genere en el engineServlet
function refreshAttachOne(xmlhttp, elementHTMLId, tagName){
	if(tagName == null) tagName = "image";
	elementHTMLId = elementHTMLId+"Content";
	var appletSrc = document.getElementById("appletSrc");
	var element = document.getElementById(elementHTMLId);
	if(element){
		var data = xmlhttp.responseXML.getElementsByTagName("data")[0];
		var isNew = data.getAttribute("isNew");
		if(isNew=="") isNew = 0;
		var image = xmlhttp.responseXML.getElementsByTagName(tagName);
		if(image.length == 0){
			if(appletSrc.value!=""){
				element.innerHTML = appletSrc.value;
			}
		}else{
			var attach = image[0];
			var id = attach.getAttribute("id");
			var type = attach.getAttribute("type");

			var href = attach.getAttribute("href");
			var fileSrc = attach.getAttribute("fileSrc");			
					
			var innerHTMLCode ='<table border="0" cellspacing="0" cellspadding="0" width="100%">';
			innerHTMLCode+='<tr>';
			innerHTMLCode+='<td align="center">';
			
			if(type==1){
				innerHTMLCode+='<embed width="250" height="250" quality="high" bgcolor="#e3e3e3" name="galeria" id="galeria" style="" src="'+fileSrc+'" type="application/x-shockwave-flash"/>';
			}else {
				innerHTMLCode+='<a target="_blank" href="'+href+'">';
				innerHTMLCode+='<img src="'+fileSrc+'"/>';
				innerHTMLCode+='</a>';
			}
			
			innerHTMLCode+='<br/>';
			innerHTMLCode+="<a href=\"javascript:deleteAttachAJAX("+id+", "+isNew+")\" class=\"formLink\"/>Eliminar</a>";			
			innerHTMLCode+='</tr>';
			innerHTMLCode+='</table>';
			
			appletSrc.value = element.innerHTML;
			element.innerHTML = innerHTMLCode;
		}
	}
}