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;
    };
    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="Please enter/select values for the following fields:\n\n";
    this.err_select="Please select a valid \"%FIELDNAME%\"";
    this.err_enter="Please enter a valid \"%FIELDNAME%\"";
};

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.name=element.name;
            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.name.substr(0,3) == 'ta2')
    {
        this.value = getEditorContent(this.name);
        this.value = this.value.substr(0, this.value.length - 4);
    };

    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));
    };
};

function getEditorContent(instanceName) {
    editor_frame = document.getElementById(instanceName+'___Frame');
    try{
        editor_source = editor_frame.contentWindow.document.getElementById('eEditorArea');
    }catch(e){}
    if (editor_source!=null) {
        return editor_source.contentWindow.document.body.innerHTML;
    } else {
        return '';
    }
}