function matchPattern(value, mask) {
   return mask.exec(value);
}
function showAlert(fields,focusField) {
    if (fields.length > 0) {
       focusField.focus();
       alert(fields.join('\n'));
    }
}
function getFieldValue(field) {
    if (field.type == 'select-one') {
        var index = field.selectedIndex;;
        if (index >= 0) {
            return field.options[index].value;
        }
    } else {
        return field.value;
    }
}

function validateTwoFields(form) {
    var bValid = true;
    var focusField = null;
    var i = 0;
    var fields = new Array();
    var formName = form.getAttributeNode("name");
    oTwoFields = eval('new ' + formName.value + '_twofields()');
    for (x in oTwoFields) {
        var field = form[oTwoFields[x][0]];
        var secondField = form[oTwoFields[x][2]("secondProperty")];
    
        if (field.type == 'text'||field.type == 'textarea'||field.type == 'select-one'||field.type == 'radio'||field.type == 'password') {
    
            var value;
            var secondValue;

            if (field.type == "select-one") {
                var si = field.selectedIndex;
                value = field.options[si].value;
                secondValue = secondField.options[si].value;
            } else {
                value = field.value;
                secondValue = secondField.value;
            }
        
            if (value != secondValue) {
            
                if (i == 0) {
                    focusField = field;
                }
                fields[i++] = oTwoFields[x][1];
                bValid = false;
            }
        }
    }
    
    if (fields.length > 0) {
        focusField.focus();
        alert(fields.join('\n'));
    }
    
    return bValid;
}


    /*$RCSfile: validateMinLength.js,v $ $Revision: 1.11 $ $Date: 2004/03/28 16:53:21 $ */
    /**
    * A field is considered valid if greater than the specified minimum.
    * Fields are not checked if they are disabled.
    * <p>
    * <strong>Caution:</strong> Using <code>validateMinLength</code> on a password field in a 
    *  login page gives unnecessary information away to hackers. While it only slightly
    *  weakens security, we suggest using it only when modifying a password.</p>
    * @param form The form validation is taking place on.
    */
    function validateMinLength(form) {
        var isValid = true;
        var focusField = null;
        var i = 0;
        var fields = new Array();
        var formName = form.getAttributeNode("name");


        oMinLength = eval('new ' + formName.value + '_minlength()');

        for (x in oMinLength) {
            var field = form[oMinLength[x][0]];

            if ((field.type == 'hidden' ||
                field.type == 'text' ||
                field.type == 'password' ||
                field.type == 'textarea') &&
                field.disabled == false) {

                var iMin = parseInt(oMinLength[x][2]("minlength"));
                if ((trim(field.value).length > 0) && (field.value.length < iMin)) {
                    if (i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oMinLength[x][1];
                    isValid = false;
                }
            }
        }
        if (fields.length > 0) {
           focusField.focus();
           alert(fields.join('\n'));
        }
        return isValid;
    }

function validateRequiredWith(form) {
	var isValid = true;
	var focusField = null;
	var i = 0;
	var fields = new Array();
	var formName = form.getAttributeNode("name");
	oRequiredWith = eval('new ' + formName.value + '_requiredWith()');
	for (x in oRequiredWith) {
	    var field = form[oRequiredWith[x][0]];
	    var value = trim(getFieldValue(field));
	    var req = trim(getFieldValue(form[oRequiredWith[x][2]('requiredWith')]));
	    if (req.length > 0 && value.length == 0) {
	        if (i == 0) {
	            focusField = field;
	        }
	        fields[i++] = oRequiredWith[x][1];
	        isValid = false;
	    }
	}
	showAlert(fields,focusField);
	return isValid;
}


   /*$RCSfile: validateEmail.js,v $ $Revision: 1.9 $ $Date: 2004/03/28 16:53:21 $ */
    /**
    * Check to see if fields are a valid email address.
    * Fields are not checked if they are disabled.
    * <p>
    * @param form The form validation is taking place on.
    */
    function validateEmail(form) {
        var bValid = true;
        var focusField = null;
        var i = 0;
        var fields = new Array();
        var formName = form.getAttributeNode("name");


        oEmail = eval('new ' + formName.value + '_email()');

        for (x in oEmail) {
            var field = form[oEmail[x][0]];
            if ((field.type == 'hidden' || 
                 field.type == 'text' ||
                 field.type == 'textarea') &&
                (field.value.length > 0) &&
                field.disabled == false) {
                if (!checkEmail(field.value)) {
                    if (i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oEmail[x][1];
                    bValid = false;
                }
            }
        }
        if (fields.length > 0) {
            focusField.focus();
            alert(fields.join('\n'));
        }
        return bValid;
    }

    /**
     * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
     * http://javascript.internet.com
     */
    function checkEmail(emailStr) {
       if (emailStr.length == 0) {
           return true;
       }
       var emailPat=/^(.+)@(.+)$/;
       var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
       var validChars="\[^\\s" + specialChars + "\]";
       var quotedUser="(\"[^\"]*\")";
       var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
       var atom=validChars + '+';
       var word="(" + atom + "|" + quotedUser + ")";
       var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
       var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
       var matchArray=emailStr.match(emailPat);
       if (matchArray == null) {
           return false;
       }
       var user=matchArray[1];
       var domain=matchArray[2];
       if (user.match(userPat) == null) {
           return false;
       }
       var IPArray = domain.match(ipDomainPat);
       if (IPArray != null) {
           for (var i = 1; i <= 4; i++) {
              if (IPArray[i] > 255) {
                 return false;
              }
           }
           return true;
       }
       var domainArray=domain.match(domainPat);
       if (domainArray == null) {
           return false;
       }
       var atomPat=new RegExp(atom,"g");
       var domArr=domain.match(atomPat);
       var len=domArr.length;
       if ((domArr[domArr.length-1].length < 2) ||
           (domArr[domArr.length-1].length > 3)) {
           return false;
       }
       if (len < 2) {
           return false;
       }
       return true;
    }

  

function validateSplitDate(form) {
    var isValid = true;
    var focusField = null;
    var i = 0;
    var fields = new Array();
    var formName = form.getAttributeNode("name");
    oSplitDate = eval('new ' + formName.value + '_splitDate()');
    for (x in oSplitDate) {
        var field = form[oSplitDate[x][0]];
        if ((field.type == 'text' || 
             field.type == 'textarea')) {
             var isYear = (trim(getFieldValue(field)).length > 0);
             var isMonth = (trim(getFieldValue(form[oSplitDate[x][2]('month')])).length > 0);
             var isDate = (trim(getFieldValue(form[oSplitDate[x][2]('date')])).length > 0);
             if ((isDate || isMonth || isYear) && (!isDate || !isMonth || !isYear)) {
                if (i == 0) {
                    focusField = field;
                }
                fields[i++] = oSplitDate[x][1];
                isValid = false;
            }
        }
        
    }
    showAlert(fields,focusField);
    return isValid;
}


    /*$RCSfile: validateMask.js,v $ $Revision: 1.10 $ $Date: 2004/03/28 16:53:21 $ */
    /**
    * Check to see if fields are a valid using a regular expression.
    * Fields are not checked if they are disabled.
    * <p>
    * @param form The form validation is taking place on.
    */
    function validateMask(form) {
        var isValid = true;
        var focusField = null;
        var i = 0;
        var fields = new Array();
        var formName = form.getAttributeNode("name"); 

        oMasked = eval('new ' + formName.value + '_mask()');      
        for (x in oMasked) {
            var field = form[oMasked[x][0]];

            if ((field.type == 'hidden' ||
                field.type == 'text' ||
                 field.type == 'textarea' ||
				 field.type == 'file') &&
                 (field.value.length > 0) &&
                 field.disabled == false) {

                if (!matchPattern(field.value, oMasked[x][2]("mask"))) {
                    if (i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oMasked[x][1];
                    isValid = false;
                }
            }
        }

        if (fields.length > 0) {
           focusField.focus();
           alert(fields.join('\n'));
        }
        return isValid;
    }

    function matchPattern(value, mask) {
       return mask.exec(value);
    }


    /*$RCSfile: validateRequired.js,v $ $Revision: 1.13 $ $Date: 2004/03/28 16:53:21 $ */
    /**
    *  Check to see if fields must contain a value.
    * Fields are not checked if they are disabled.
    * <p>
    * @param form The form validation is taking place on.
    */

    function validateRequired(form) {
        var isValid = true;
        var focusField = null;
        var i = 0;
        var fields = new Array();
        var formName = form.getAttributeNode("name");

        oRequired = eval('new ' + formName.value + '_required()');

        for (x in oRequired) {
            var field = form[oRequired[x][0]];

            if ((field.type == 'hidden' ||
                field.type == 'text' ||
                field.type == 'textarea' ||
                field.type == 'file' ||
                field.type == 'checkbox' ||
                field.type == 'select-one' ||
                field.type == 'password') &&
                field.disabled == false) {

                var value = '';
                // get field's value
                if (field.type == "select-one") {
                    var si = field.selectedIndex;
                    if (si >= 0) {
                        value = field.options[si].value;
                    }
                } else if (field.type == 'checkbox') {
                    if (field.checked) {
                        value = field.value;
                    }
                } else {
                    value = field.value;
                }

                if (trim(value).length == 0) {

                    if (i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oRequired[x][1];
                    isValid = false;
                }
            } else if (field.type == "select-multiple") { 
                var numOptions = field.options.length;
                lastSelected=-1;
                for(loop=numOptions-1;loop>=0;loop--) {
                    if(field.options[loop].selected) {
                        lastSelected = loop;
                        value = field.options[loop].value;
                        break;
                    }
                }
                if(lastSelected < 0 || trim(value).length == 0) {
                    if(i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oRequired[x][1];
                    isValid=false;
                }
            } else if ((field.length > 0) && (field[0].type == 'radio' || field[0].type == 'checkbox')) {
                isChecked=-1;
                for (loop=0;loop < field.length;loop++) {
                    if (field[loop].checked) {
                        isChecked=loop;
                        break; // only one needs to be checked
                    }
                }
                if (isChecked < 0) {
                    if (i == 0) {
                        focusField = field[0];
                    }
                    fields[i++] = oRequired[x][1];
                    isValid=false;
                }
            }
        }
        if (fields.length > 0) {
           focusField.focus();
           alert(fields.join('\n'));
        }
        return isValid;
    }
    
    // Trim whitespace from left and right sides of s.
    function trim(s) {
        return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
    }