function textCounter(field, countfield, maxlimit) {

  textoArea = document.testform.resumen.value;

  // El numero de caracteres es su longitud
  numeroCaracteres = textoArea.length;

  // Eliminamos los caracteres en blanco del inicio y del final.
  // Como no tenemos funciones del tipo trim, rtrim y ltrim usamos
  // expresiones regulares
  // El ^ indica principio de cadena
  inicioBlanco = /^ / 
  // El $ indica final de cadena
  finBlanco = / $/
  // El global (g) es para obtener todas las posibles combinaciones
  variosBlancos = /[ ]+/g 

  textoArea = textoArea.replace(inicioBlanco,"");
  textoArea = textoArea.replace(finBlanco,"");
  textoArea = textoArea.replace(variosBlancos," ");

  // Creamos un array con las diferentes palabras. Teniendo en 
  // cuenta que la separación entre palabras es el espacio en blanco.
  textoAreaDividido = textoArea.split(" ");
  numeroPalabras = textoAreaDividido.length;

	if (numeroCaracteres==0){
		countfield.value = numeroCaracteres;
	}else{
	//  if (numeroPalabras < maxlimit) 
	//	field.value = field.value.substring(0, maxlimit);
	//  else 
		countfield.value = numeroPalabras;
	}
}

function validateCompleteForm(objForm,strErrorClass){
	return _validateInternal(objForm,strErrorClass,0);
};
function validateStandard(objForm,strErrorClass){
	return _validateInternal(objForm,strErrorClass,1);
};
function _validateInternal(form,strErrorClass,nErrorThrowType){
	var strErrorMessage="";var objFirstError=null;
	if(nErrorThrowType==0){
		strErrorMessage=(form.err)?form.err:_getLanguageText("err_form");
	};
	var fields=_GenerateFormFields(form);
	for(var i=0;i<fields.length;++i){
		var field=fields[i];
		if(!field.IsValid(fields)){
			field.SetClass(strErrorClass);
			if(nErrorThrowType==1){
				_throwError(field);
				return false;
			}else{
				if(objFirstError==null){
					objFirstError=field;
				}
				strErrorMessage=_handleError(field,strErrorMessage);
				bError=true;
			}
		}else{
			field.ResetClass();
		}
	};
	if(objFirstError!=null){
		alert(strErrorMessage);
		objFirstError.element.focus();
		return false;
	};
	var maxwords=350
	if (document.images){
	  textoArea = form.resumen.value;

	  inicioBlanco = /^ / 
	  finBlanco = / $/
	  variosBlancos = /[ ]+/g 

	  textoArea = textoArea.replace(inicioBlanco,"");
	  textoArea = textoArea.replace(finBlanco,"");
	  textoArea = textoArea.replace(variosBlancos," ");

	  textoAreaDividido = textoArea.split(" ");
	  numeroPalabras = textoAreaDividido.length;

		if (numeroPalabras>maxwords){
			alert("¡El tamaño máximo del resumen es de 350 palabras!")
			return false
		}

//		var temp=form.resumen.value.split(" ")
//		if (temp.length>maxwords){
//			alert("¡El tamaño máximo del resumen es de 350 palabras!")
//			return false
//		}
	}
return true;
};

function _getLanguageText(id){
	objTextsInternal=new _jsVal_Language();
	objTexts=null;
	try{
		objTexts=new jsVal_Language();
	}catch(ignored){};
	switch(id){
		case "err_form":strResult=(!objTexts||!objTexts.err_form)?objTextsInternal.err_form:objTexts.err_form;break;
		case "err_enter":strResult=(!objTexts||!objTexts.err_enter)?objTextsInternal.err_enter:objTexts.err_enter;break;
		case "err_select":strResult=(!objTexts||!objTexts.err_select)?objTextsInternal.err_select:objTexts.err_select;break;
	};
	return strResult;
};

function _GenerateFormFields(form){
	var arr=new Array();
	for(var i=0;i<form.length;++i){
		var element=form.elements[i];
		var index=_getElementIndex(arr,element);
		if(index==-1){
			arr[arr.length]=new Field(element,form);
		}else{
			arr[index].Merge(element)
		};
	};
	return arr;
};

function _getElementIndex(arr,element){
	if(element.name){
		var elementName=element.name.toLowerCase();
		for(var i=0;i<arr.length;++i){
			if(arr[i].element.name){
				if(arr[i].element.name.toLowerCase()==elementName){
					return i;
				}
			};
		};
	}
	return -1;
};

function _jsVal_Language(){
	this.err_form="Debe rellenar los siguientes campos con datos válidos:\n\n";
	this.err_select="Debe rellenar el campo \"%FIELDNAME%\" con datos válidos";
	this.err_enter="Debe rellenar el campo \"%FIELDNAME%\" con datos válidos";
};

function Field(element,form){
	this.type=element.type;
	this.element=element;
	this.exclude=element.exclude||element.getAttribute('exclude');
	this.err=element.err||element.getAttribute('err');
	this.required=_parseBoolean(element.required||element.getAttribute('required'));
	this.realname=element.realname||element.getAttribute('realname');
	this.elements=new Array();
	switch(this.type){
		case "textarea":
		case "password":
		case "text":
		case "file":
			this.value=element.value;
			this.minLength=element.minlength||element.getAttribute('minlength');
			this.maxLength=element.maxlength||element.getAttribute('maxlength');
			this.regexp=this._getRegEx(element);
			this.minValue=element.minvalue||element.getAttribute('minvalue');
			this.maxValue=element.maxvalue||element.getAttribute('maxvalue');
			this.equals=element.equals||element.getAttribute('equals');
			this.callback=element.callback||element.getAttribute('callback');
		break;
		case "select-one":
		case "select-multiple":
			this.values=new Array();
			for(var i=0;i<element.options.length;++i){
				if(element.options[i].selected&&(!this.exclude||element.options[i].value!=this.exclude)){
					this.values[this.values.length]=element.options[i].value;
				}
			}
			this.min=element.min||element.getAttribute('min');
			this.max=element.max||element.getAttribute('max');
			this.equals=element.equals||element.getAttribute('equals');
		break;
		case "checkbox":
			this.min=element.min||element.getAttribute('min');
			this.max=element.max||element.getAttribute('max');
		case "radio":
			this.required=_parseBoolean(this.required||element.getAttribute('required'));
			this.values=new Array();
			if(element.checked){
				this.values[0]=element.value;
			}
			this.elements[0]=element;
		break;
	};
};

Field.prototype.Merge=function(element){
	var required=_parseBoolean(element.getAttribute('required'));
	if(required){
		this.required=true;
	};
	if(!this.err){
		this.err=element.getAttribute('err');
	};
	if(!this.equals){
		this.equals=element.getAttribute('equals');
	};
	if(!this.callback){
		this.callback=element.getAttribute('callback');
	};
	if(!this.realname){
		this.realname=element.getAttribute('realname');
	};
	if(!this.max){
		this.max=element.getAttribute('max');
	};
	if(!this.min){
		this.min=element.getAttribute('min');
	};
	if(!this.regexp){
		this.regexp=this._getRegEx(element);
	};
	if(element.checked){
		this.values[this.values.length]=element.value;
	};
	this.elements[this.elements.length]=element;
};

Field.prototype.IsValid=function(arrFields){
	switch(this.type){
		case "textarea":
		case "password":
		case "text":
		case "file":
			return this._ValidateText(arrFields);
		case "select-one":
		case "select-multiple":
		case "radio":
		case "checkbox":
			return this._ValidateGroup(arrFields);
		default:
			return true;
	};
};

Field.prototype.SetClass=function(newClassName){
	if((newClassName)&&(newClassName!="")){
		if((this.elements)&&(this.elements.length>0)){
			for(var i=0;i<this.elements.length;++i){
				if(this.elements[i].className!=newClassName){
					this.elements[i].oldClassName=this.elements[i].className;
					this.elements[i].className=newClassName;
				}
			}
		}else{
			if(this.element.className!=newClassName){
				this.element.oldClassName=this.element.className;
				this.element.className=newClassName;
			}
		};
	}
};

Field.prototype.ResetClass=function(){
	if((this.type!="button")&&(this.type!="submit")&&(this.type!="reset")){
		if((this.elements)&&(this.elements.length>0)){
			for(var i=0;i<this.elements.length;++i){
				if(this.elements[i].oldClassName){
					this.elements[i].className=this.elements[i].oldClassName;
				}else{
					this.element.className="";
				}
			}
		}else{
			if(this.elements.oldClassName){
				this.element.className=this.element.oldClassName;
			}else{
				this.element.className="";
			}
		};
	};
};


Field.prototype._getRegEx=function(element){
	regex=element.regexp||element.getAttribute('regexp')
	if(regex==null)return null;
		retype=typeof(regex);
	if(retype.toUpperCase()=="FUNCTION")
		return regex;
	else if((retype.toUpperCase()=="STRING")&&!(regex=="JSVAL_RX_EMAIL")&&!(regex=="JSVAL_RX_TEL") &&!(regex=="JSVAL_RX_PC")&&!(regex=="JSVAL_RX_ZIP")&&!(regex=="JSVAL_RX_MONEY") &&!(regex=="JSVAL_RX_CREDITCARD")&&!(regex=="JSVAL_RX_POSTALZIP")){
		nBegin=0;nEnd=regex.length-1;
			if(regex.charAt(0)=="/")nBegin=1;
			if(regex.charAt(regex.length-1)=="/")nEnd=regex.length-2;
				return new RegExp(regex.slice(nBegin,nEnd));
	}else{
		return regex;
	};
};

Field.prototype._ValidateText=function(arrFields){
	if((this.required)&&(this.callback)){
		nCurId=this.element.id?this.element.id:"";
		nCurName=this.element.name?this.element.name:"";
		eval("bResult = "+this.callback+"('"+nCurId+"', '"+nCurName+"', '"+this.value+"');");
		if(bResult==false){
			return false;
		};
	}else{
		if(this.required&&!this.value){
			return false;
		};
		if(this.value&&(this.minLength&&this.value.length<this.minLength)){
			return false;
		};
		if(this.value&&(this.maxLength&&this.value.length>this.maxLength)){
			return false;
		};
		if(this.regexp){
			if(!_checkRegExp(this.regexp,this.value)){
				if(!this.required&&this.value){
					return false;
				}
				if(this.required){
					return false;
				}
			}else{
				return true;
			};
		};
		if(this.equals){
			for(var i=0;i<arrFields.length;++i){
				var field=arrFields[i];
				if((field.element.name==this.equals)||(field.element.id==this.equals)){
					if(field.element.value!=this.value){
						return false;
					};
					break;
				};
			};
		};
		if(this.required){
			var fValue=parseFloat(this.value);
			if((this.minValue||this.maxValue)&&isNaN(fValue)){
				return false;
			};
			if((this.minValue)&&(fValue<this.minValue)){
				return false;
			};
			if((this.maxValue)&&(fValue>this.maxValue)){
				return false
			};
		};
	}
	return true;
};

Field.prototype._ValidateGroup=function(arrFields){
	if(this.required&&this.values.length==0){
		return false;
	};
	if(this.required&&this.min&&this.min>this.values.length){
		return false;
	};
	if(this.required&&this.max&&this.max<this.values.length){
		return false;
	};
	return true;
};

function _handleError(field,strErrorMessage){
	var obj=field.element;
	strNewMessage=strErrorMessage+((field.realname)?field.realname:((obj.id)?obj.id:obj.name))+"\n";
	return strNewMessage;
};

function _throwError(field){
	var obj=field.element;
	switch(field.type){
		case "text":
		case "password":
		case "textarea":
		case "file":
			alert(_getError(field,"err_enter"));
			try{
				obj.focus();
			}
			catch(ignore){}
		break;
		case "select-one":
		case "select-multiple":
		case "radio":
		case "checkbox":
			alert(_getError(field,"err_select"));
		break;
	};
};

function _getError(field,str){
	var obj=field.element;
	strErrorTemp=(field.err)?field.err:_getLanguageText(str);
	idx=strErrorTemp.indexOf("\\n");
	while(idx>-1){
		strErrorTemp=strErrorTemp.replace("\\n","\n");
		idx=strErrorTemp.indexOf("\\n");
	};
	return strErrorTemp.replace("%FIELDNAME%",(field.realname)?field.realname:((obj.id)?obj.id:obj.name));
};


function _parseBoolean(value){
	return !(!value||value==0||value=="0"||value=="false");
};


function _checkRegExp(regx,value){
	switch(regx){
		case "JSVAL_RX_EMAIL":
			return((/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,5})+$/).test(value));
		case "JSVAL_RX_TEL":
			return((/^1?[\-]?\(?\d{3}\)?[\-]?\d{3}[\-]?\d{4}$/).test(value));
		case "JSVAL_RX_PC":
			return((/^[a-z]\d[a-z]?\d[a-z]\d$/i).test(value));
		case "JSVAL_RX_ZIP":
			return((/^\d{5}$/).test(value));
		case "JSVAL_RX_MONEY":
			return((/^\d+([\.]\d\d)?$/).test(value));
		case "JSVAL_RX_CREDITCARD":
			return(!isNaN(value));
		case "JSVAL_RX_POSTALZIP":
			if(value.length==6||value.length==7)
			return((/^[a-zA-Z]\d[a-zA-Z] ?\d[a-zA-Z]\d$/).test(value));
			if(value.length==5||value.length==10)
			return((/^\d{5}(\-\d{4})?$/).test(value));
		break;
		default:
		return(regx.test(value));
	};
};