//----------------------------------------------------------------------------------------------------------
// trim(inpString)
//
// Usage: return the string with all foward and ending spaces removed 

function trim(inpString){
	
	var retString = inpString;
	
	while (retString.charAt(0) == " ") {
		retString = retString.substr(1);
	}
	
	while (retString.charAt(retString.length - 1) == " ") {
		retString = retString.substring(0, (retString.length - 2));
	}
	
	return retString
}

//-------------------------------------------------------------------------------------------------

function moveItems(fromList, toList){
	for(var i = 0; i < fromList.length; i++){// Loop Through the FromList
		if (fromList.options[i].selected == true){// If the item is selected
			var itemValue = fromList.options[i].value;//Get the values Information
			var itemText = fromList.options[i].text; //Get the text Information
			var newOption = new Option (itemText, itemValue);// Create the new option
			var addIndex = toList.length// Find where the new option should be added to toList
			toList.options[addIndex] = newOption;// Add the item to the toList
			fromList.options[i] = null;//Delete the item from the from list
			i--; //Decriment i because one item was just removed
		}
	}
}	

//-------------------------------------------------------------------------------------------------

function selectAllItmes(list){
	for(var i = 0; i < list.length; i++){
		list.options[i].selected=true;
	}
}

//-------------------------------------------------------------------------------------------------




function hasValue(obj, obj_type){
    if (obj_type == "TEXT" || obj_type == "PASSWORD")
	{
    	if (trim(obj.value).length == 0) 
      		return false;
    	else 
      		return true;
    	}
    else if (obj_type == "SELECT")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj.options[i].selected)
			return true;
		}

       	return false;	
	}
    else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")
	{

		if (obj.checked)
			return true;
		else
       		return false;	
	}
    else if (obj_type == "RADIO" || obj_type == "CHECKBOX")
	{

        for (i=0; i < obj.length; i++)
	    	{
		if (obj[i].checked)
			return true;
		}

       	return false;	
	}
}

//-------------------------------------------------------------------------------------------------


function _CF_checkinteger(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is an integer defined as
    //   having an optional leading + or -.
    //   otherwise containing only the characters 0-9.
	var decimal_format = ".";
	var check_char;

    //The first character can be + -  blank or a digit.
	check_char = object_value.indexOf(decimal_format)
    //Was it a decimal?
    if (check_char < 1)
	return _CF_checknumber(object_value);
    else
	return false;
    }



function _CF_numberrange(object_value, min_value, max_value)
    {
    // check minimum
    if (min_value != null)
	{
        if (object_value < min_value)
		return false;
	}

    // check maximum
    if (max_value != null)
	{
	if (object_value > max_value)
		return false;
	}
	
    //All tests passed, so...
    return true;
    }



function _CF_checknumber(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a number defined as
    //   having an optional leading + or -.
    //   having at most 1 decimal point.
    //   otherwise containing only the characters 0-9.
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;

    //The first character can be + - .  blank or a digit.
	check_char = start_format.indexOf(object_value.charAt(0))
    //Was it a decimal?
	if (check_char == 1)
	    decimal = true;
	else if (check_char < 1)
		return false;
        
	//Remaining characters can be only . or a digit, but only one decimal.
	for (var i = 1; i < object_value.length; i++)
	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0)
			return false;
		else if (check_char == 1)
		{
			if (decimal)		// Second decimal.
				return false;
			else
				decimal = true;
		}
		else if (check_char == 0)
		{
			if (decimal || digits)	
				trailing_blank = true;
        // ignore leading blanks

		}
	        else if (trailing_blank)
			return false;
		else
			digits = true;
	}	
    //All tests passed, so...
    return true
    }



function _CF_checkrange(object_value, min_value, max_value)
    {
    //if value is in range then return true else return false

    if (object_value.length == 0)
        return true;


    if (!_CF_checknumber(object_value))
	{
	return false;
	}
    else
	{
	return (_CF_numberrange((eval(object_value)), min_value, max_value));
	}
	
    //All tests passed, so...
    return true;
    }



function _CF_checktime(object_value)
    {
    //Returns true if value is in time format or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a date in the mm/dd/yyyy format
	isplit = object_value.indexOf(':');

	if (isplit == -1 || isplit == object_value.length)
		return false;

    sHour = object_value.substring(0, isplit);
	iminute = object_value.indexOf(':', isplit + 1);

	if (iminute == -1 || iminute == object_value.length)
		sMin = object_value.substring((sHour.length + 1));
	else
		sMin = object_value.substring((sHour.length + 1), iminute);

    if (!_CF_checkinteger(sHour)) //check hour
		return false;
    else
    if (!_CF_checkrange(sHour, 0, 23)) //check hour
		return false;

	if (!_CF_checkinteger(sMin)) //check minutes
		return false;
	else
	if (!_CF_checkrange(sMin, 0, 59)) // check minutes
		return false;

	// did they specify seconds
    if (iminute != -1)
	{
		sSec = object_value.substring(iminute + 1);

		if (!_CF_checkinteger(sSec)) //check seconds
			return false;
		else
		if (!_CF_checkrange(sSec, 0, 59)) //check seconds
			return false;	
	}
    
    return true;
    }
    

//-->