<!--
// @(#) $Id: s.validation.js 1.13 03/10/20 21:24:54-00:00 jpradomaia $
function isWhitespace(s)
{
    var whitespace = " \t\n\r";

    if (s == null || s.length == 0) {
        // empty field!
        return true;
    } else {
        // check for whitespace now!
        for (var z = 0; z < s.length; z++) {
            // Check that current character isn't whitespace.
            var c = s.charAt(z);
            if (whitespace.indexOf(c) == -1) return false;
        }
        return true;
    }
}

function isFloat(s)
{
    if (isWhitespace(s)) {
        return false;
    }

    var seenDecimalPoint = false;
    if (s == '.') {
        return false;
    }
    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.
    for (var i = 0; i < s.length; i++) {
        // Check that current character is number.
        var c = s.charAt(i);
        if ((c == '.') && !seenDecimalPoint) {
            seenDecimalPoint = true;
        } else if (!isDigit(c)) {
            return false;
        }
    }

    // All characters are numbers.
    return true;
}

// @@@ CK - Added By CK 3/11/2004
function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
} // Ends the "trim" function




//function to check valid email address
// @@@ CK Added 3/11/2004
function isValidEmail(strEmail){
	var validRegExp = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/i;
	strEmail = trim(strEmail);
   // search email text for regular exp matches
    if (strEmail.search(validRegExp) == -1) 
   {
      return false;
    } 
    return true; 
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   return IsNumber;
 }


function isEmail(s)
{
    // email text field.
    var sLength = s.length;
    var denied_chars = new Array(" ", "\n", "\t", "\r", "%", "$", "#", "!", "~", "`", "^", "&", "*", "(", ")", "=", "+", "{", "}", "[", "]", ",", ";", ":", "'", "\"", "?", "<", ">", "/", "\\", "|");

    // look for @
    if (s.indexOf("@") == -1) return false;

    // look for more than one @ sign
    if (s.indexOf("@") != s.lastIndexOf("@")) return false;

    // look for any special character
    for (var z = 0; z < denied_chars.length; z++) {
        if (s.indexOf(denied_chars[z]) != -1) return false;
    }

    // look for .
    if (s.indexOf(".") == -1) return false;

    // no two dots alongside each other
    if (s.indexOf("..") != -1) return false;

    // you can't have and @ and a dot
    if (s.indexOf("@.") != -1) return false;

    // the last character cannot be a .
    if ((s.charAt(sLength-1) == ".") || (s.charAt(sLength-1) == "_")) return false;

    return true;
}

function isURL(s) {
	var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
	return regexp.test(s);
}

function hasDeniedChars(s)
{
    var denied_chars = new Array(" ", "\n", "\t", "\r", "%", "$", "#", "!", "~", "`", "^", "&", "*", "(", ")", "=", "+", "{", "}", "[", "]", ",", ";", ":", "'", "\"", "?", "<", ">", "/", "\\", "|");

    for (var z = 0; z < denied_chars.length; z++) {
        if (s.indexOf(denied_chars[z]) != -1) return true;
        // checking for any non-ascii character
        if (s.charCodeAt(z) > 128) return true;
    }

    return false;
}

function hasOneSelected(f, field_name)
{
    for (var i = 0; i < f.elements.length; i++) {
        if (f.elements[i].name == field_name) {
            var multi = f.elements[i];
            for (var y = 0; y < multi.options.length; y++) {
                if (multi.options[y].selected) {
                    return true;
                }
            }
        }
    }
    return false;
}

function hasSelected(field, value)
{
    return field.options[field.selectedIndex].value == value;
}

function hasOneChecked(f, field_name)
{
    var found = 0;
    for (var i = 0; i < f.elements.length; i++) {
        if ((f.elements[i].name == field_name) && (f.elements[i].checked)) {
            found = 1;
        }
    }
    if (found == 0) {
        return false;
    } else {
        return true;
    }
}

function hasOnlyOneChecked(f, field_name)
{
    var found = 0;
    var multiple = 0;
    for (var i = 0; i < f.elements.length; i++) {
        if ((f.elements[i].name == field_name) && (f.elements[i].checked)) {
			if (found == 1) {
				multiple = 1;
			}
            found = 1;			
        }
    }
    if ((found == 0) || (multiple == 1)) {
        return false;
    } else {
        return true;
    }
}

function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
}

function isNumberOnly(s)
{
    var check = parseFloat(s).toString();
    if ((s.length == check.length) && (check != "NaN")) {
        return true;
    } else {
        return false;
    }
}

function isDigit(c)
{
    return ((c >= "0") && (c <= "9"));
}

function isFloat(s)
{
    if (isWhitespace(s)) {
        return false;
    }

    var seenDecimalPoint = false;
    if (s == '.') {
        return false;
    }
    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.
    for (var i = 0; i < s.length; i++) {
        // Check that current character is number.
        var c = s.charAt(i);
        if ((c == '.') && !seenDecimalPoint) {
            seenDecimalPoint = true;
        } else if (!isDigit(c)) {
            return false;
        }
    }

    // All characters are numbers.
    return true;
}

function startsWith(s, substr)
{
    if (s.indexOf(substr) == 0) {
        return true;
    } else {
        return false;
    }
}

function errorDetails(f, field_name, show)
{
    var field = getFormElement(f, field_name);
    var icon = getPageElement('error_icon_' + field_name);
	if (icon == null) {
        return false;
    }
    if (show) {
        field.style.backgroundColor = '#FF9999';
        icon.style.visibility = 'visible';
        icon.width = 14;
        icon.height = 14;
    } else {
        field.style.backgroundColor = '#FFFFFF';
        icon.style.visibility = 'hidden';
        icon.width = 1;
        icon.height = 1;
    }
}

function getFieldTitle(titles_array, field_name)
{
    for (var i = 0; i < titles_array.length; i++) {
        if (titles_array[i].text == field_name) {
            return titles_array[i].value;
        }
    }
}

function checkRequiredFieldsExt(f, required_fields, required_fields_titles)
{
    for (var i = 0; i < required_fields.length; i++) {

		var field = getFormElement(f, required_fields[i].text);		
		if (required_fields[i].value == 'combo') {
            if (getSelectedOption(f, field.name) == '-1') {
                errors[errors.length] = new Option(getFieldTitle(required_fields_titles,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'multiple') {
            if (!hasOneSelected(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(required_fields_titles,required_fields[i].text), required_fields[i].text);
			}
        } else if (required_fields[i].value == 'checkbox') {
            if (!hasOnlyOneChecked(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(required_fields_titles,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'date') {
			if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(required_fields_titles,required_fields[i].text), required_fields[i].text);
            }
		} else if (required_fields[i].value == 'whitespace') {
			if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(required_fields_titles,required_fields[i].text), required_fields[i].text);
            }
        }
    }
}

function checkRequiredCustomFields(f, required_fields)
{
    for (var i = 0; i < required_fields.length; i++) {
        var field = getFormElement(f, required_fields[i].text);
        if (required_fields[i].value == 'combo') {
            if (getSelectedOption(f, field.name) == '-1') {
                errors[errors.length] = new Option(getFieldTitle(custom_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'multiple') {
            if (!hasOneSelected(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(custom_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'checkbox') {
            if (!hasOnlyOneChecked(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(custom_fields,required_fields[i].text), required_fields[i].text);
            }
		} else if (required_fields[i].value == 'whitespace') {
            if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(custom_fields,required_fields[i].text), required_fields[i].text);
            }
        }
    }
}
function xsdmfValidate(field, value, vtype, title, name) {
	if (vtype == 'numeric') {
		if (!isWhitespace(value) && !isNumeric(value)) {
            errors[errors.length] = new Option(title+' (needs to be in numeric format)', name);
		}
	} else if (vtype == 'date') {
		if (!isWhitespace(value) && !isDate(value)) {
            errors[errors.length] = new Option(title+' (needs to be in date format)', name);
		}
	} else if (vtype == 'email') {
		if (!isWhitespace(value) && !isEmail(value)) {
            errors[errors.length] = new Option(title+' (needs to be in email format)', name);
		}
	} else if (vtype == 'url') {
		if (!isWhitespace(value) && !isURL(value)) {
            errors[errors.length] = new Option(title+' (needs to be in URL format)', name);
		}
	}
}

function checkRequiredFields(f, required_fields)
{
    for (var i = 0; i < required_fields.length; i++) {

		var field = getFormElement(f, required_fields[i].text);		
		if (required_fields[i].value == 'combo') {
            if (getSelectedOption(f, field.name) == '-1') {
                errors[errors.length] = new Option(getFieldTitle(xsd_display_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'multiple') {
            if (!hasOneSelected(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(xsd_display_fields,required_fields[i].text), required_fields[i].text);
			}
        } else if (required_fields[i].value == 'checkbox') {
            if (!hasOnlyOneChecked(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(xsd_display_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'date') {
			if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(xsd_display_fields,required_fields[i].text), required_fields[i].text);
            }
		} else if (required_fields[i].value == 'whitespace') {
			if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(xsd_display_fields,required_fields[i].text), required_fields[i].text);
            }
        }
    }
}

function checkRequiredInstantCustomFields(f, required_fields)
{
    for (var i = 0; i < required_fields.length; i++) {
        var field = getFormElement(f, required_fields[i].text);
        if (required_fields[i].value == 'combo') {
            if (getSelectedOption(f, field.name) == '-1') {
                errors[errors.length] = new Option(getFieldTitle(instant_custom_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'multiple') {
            if (!hasOneSelected(f, field.name)) {
                errors[errors.length] = new Option(getFieldTitle(instant_custom_fields,required_fields[i].text), required_fields[i].text);
            }
        } else if (required_fields[i].value == 'whitespace') {
            if (isWhitespace(field.value)) {
                errors[errors.length] = new Option(getFieldTitle(instant_custom_fields,required_fields[i].text), required_fields[i].text);
            }
        }
    }
}

function checkErrorCondition(form_name, field_name)
{
    var f = getForm(form_name);
    var field = getFormElement(f, field_name);
    if ((field.type == 'text') || (field.type == 'textarea') || (field.type == 'password')) {
        if (!isWhitespace(field.value)) {
            errorDetails(f, field_name, false);
        }
    } else if (field.type == 'select-one') {
        if (getSelectedOption(f, field_name) != '-1') {
            errorDetails(f, field_name, false);
        }
    } else if (field.type == 'select-multiple') {
        if (hasOneSelected(f, field_name)) {
            errorDetails(f, field_name, false);
        }
    }
}

function selectField(f, field_name)
{
    for (var i = 0; i < f.elements.length; i++) {
		if (f.elements[i].name == field_name) {
			if ((f.elements[i].type != 'hidden') && (field_name.indexOf("[]") == -1))  {
				f.elements[i].focus();
            }
            errorDetails(f, field_name, true);
            if (isWhitespace(f.name)) {
                return false;
            }
			var newF = new Function('checkErrorCondition(\'' + f.name + '\', \'' + field_name + '\');');
			if (f.elements[i].onchange) {
                            // don't muck around with existing onchange stuff because it
                            // blows away the arguments to the oldF and thigns stop working 
				//var oldF = (f.elements[i].onchange);
				//f.elements[i].onchange = function () { oldF(); newF();};
			} else {
				f.elements[i].onchange = function () { newF();};				
			}
			if (f.elements[i].select) {
                f.elements[i].select();
            }
        }
    }
}


function getSelectedOption(f, field_name)
{
    for (var i = 0; i < f.elements.length; i++) {
        if (f.elements[i].name == field_name) {
            return f.elements[i].options[f.elements[i].selectedIndex].value;
        }
    }
}

function getSelectedOptionObject(f, field_name)
{
    for (var i = 0; i < f.elements.length; i++) {
        if (f.elements[i].name == field_name) {
            return f.elements[i].options[f.elements[i].selectedIndex];
        }
    }
}

var errors = null;

function checkFormSubmission(f, callback_func)
{
    errors = new Array();
    eval(callback_func + '(f);');
    if (errors.length > 0) {
        // loop through all of the broken fields and select them
        var fields = '';
        for (var i = 0; i < errors.length; i++) {
            selectField(f, errors[i].value);
            fields += '- ' + errors[i].text + "\n";
        }
        // show a big alert box with the missing information
        alert("The following fields need to be filled out or corrected:\n\n" + fields + "\nPlease complete the form and try again.");
        return false;
    } else {
        return true;
    }
}

//-->