function help_window(what) {
var hw = '';
var url = '/razrabotka'; // TODO: путь брать из внешних настроек

    if (!hw.closed && hw.location) {
        hw.focus();
    } else {
        hw=window.open(url+'/show_help.php?what='+what, '','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=yes,width=400,height=200');
    }

    if (!hw.opener) {
       hw.opener = self;
    }

    if (window.focus) {
        hw.focus();
    }

    return false;
}

function open_page(targ,selObj,restore){ //v3.0

  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

var errorMsg0   = 'Это поле должно быть заполнено!';
var errorMsg1   = 'Это не число!';
var errorMsg2   = 'Недопустимое количество рядов';
 
/**
 * Displays an error message if an element of a form hasn't been completed and
 * should be
 *
 * @param   object   the form
 * @param   string   the name of the form field to put the focus on
 *
 * @return  boolean  whether the form field is empty or not
 */
function is_field_empty(theForm, theFieldName)
{
    var isEmpty  = 1;
    var theField = theForm.elements[theFieldName];
    // Whether the replace function (js1.2) is supported or not
    var isRegExp = (typeof(theField.value.replace) != 'undefined');

    if (!isRegExp) {
        isEmpty      = (theField.value == '') ? 1 : 0;
    } else {
        var space_re = new RegExp('\\s+');
        isEmpty      = (theField.value.replace(space_re, '') == '') ? 1 : 0;
    }
    if (isEmpty) {
//        theForm.reset();
        theField.select();
        alert("Это поле должно быть заполнено!");
        theField.focus();
        return false;
    }

    return true;
}

/**
 * Ensures a value submitted in a form is numeric and is in a range
 *
 * @param   object   the form
 * @param   string   the name of the form field to check
 * @param   integer  the minimum authorized value
 * @param   integer  the maximum authorized value
 *
 * @return  boolean  whether a valid number has been submitted or not
 */
function is_element_in_range(theForm, theFieldName, min, max)
{
    var theField         = theForm.elements[theFieldName];
    var val              = parseInt(theField.value);
	var text;
	
    if (typeof(min) == 'undefined') {
        min = 0;
    }
    if (typeof(max) == 'undefined') {
        max = Number.MAX_VALUE;
    }

    // It's not a number
    if (isNaN(val)) {
        theField.select();
        alert("Здесь должно быть числовое значение!");
        theField.focus();
        return false;
    }
    // It's a number but it is not between min and max
    else if (val < min || val > max) {
        theField.select();
		if (max!=Number.MAX_VALUE)
		 text='Значение должно быть от ' + min + ' до ' + max;
		else
		 text='Значние должно быть не менее ' + min;
        alert(text);
        theField.focus();
        return false;
    }
    // It's a valid number
    else {
        theField.value = val;
    }

    return true;
} // end of the 'checkFormElementInRange()' function



// $Revision: 2.0.2.1 $

/************************************************************************/
/* phpAdsNew 2                                                          */
/* ===========                                                          */
/*                                                                      */
/* Copyright (c) 2000-2003 by the phpAdsNew developers                  */
/* http://sourceforge.net/projects/phpadsnew                            */
/*                                                                      */
/* This program is free software. You can redistribute it and/or modify */
/* it under the terms of the GNU General Public License as published by */
/* the Free Software Foundation; either version 2 of the License.       */
/************************************************************************/


// Settings
var helpSteps = 12;
var helpStepHeight = 8;
var helpDefault = '';

var helpCounter = 0;
var helpSpeed = 1;
var helpLeft = 181;
var helpOnScreen = false;
var helpTimerID = null;



/*********************************************************/
/* Set the help text                                     */
/*********************************************************/

function setHelp(item)
{
	var helpContents = findObj("helpContents");

	if (helpOnScreen == true)
	{
		if (item != null && helpArray[item] != null)
			helpContents.innerHTML = unescape(helpArray[item]);
		else
			helpContents.innerHTML = helpDefault;			
	}
}



/*********************************************************/
/* Toggle the help popup                                 */
/*********************************************************/

function toggleHelp()
{
	if (helpOnScreen == false)
		displayHelp();
	else
		hideHelp();
}



/*********************************************************/
/* Display the help popup                                */
/*********************************************************/

function displayHelp()
{
	var helpLayer = findObj("helpLayer");
	if (helpLayer.style) helpLayer = helpLayer.style;
	
	if (document.all && !window.innerHeight) { 
		helpLayer.pixelWidth = document.body.clientWidth - helpLeft;
		helpLayer.pixelHeight = helpStepHeight;
		helpLayer.pixelTop = document.body.clientHeight + document.body.scrollTop - helpStepHeight;
	} else 	{
		helpLayer.width = document.width - helpLeft;
		helpLayer.height = helpStepHeight;
		helpLayer.top = window.innerHeight + window.pageYOffset - helpStepHeight;
	}
	helpLayer.visibility = 'visible';

	helpCounter = 1;
	setTimeout('growHelp()', helpSpeed);
	
	var helpContents = findObj("helpContents");
	helpDefault = helpContents.innerHTML;
}

function growHelp()
{
	helpCounter++;

	var helpLayer = findObj("helpLayer");
	if (helpLayer.style) helpLayer = helpLayer.style;

	if (document.all && !window.innerHeight) {
		helpLayer.pixelHeight = helpCounter * helpStepHeight;
		helpLayer.pixelTop = document.body.clientHeight + document.body.scrollTop - (helpCounter * helpStepHeight);
	} else {
		helpLayer.height = helpCounter * helpStepHeight;
		helpLayer.top = window.innerHeight + window.pageYOffset - (helpCounter * helpStepHeight);
		if (helpTimerID == null) helpTimerID = setInterval('resizeHelp()', 100);
	}
	
	if (helpCounter < helpSteps)
		setTimeout('growHelp()', helpSpeed);
	else
		helpOnScreen = true;
}



/*********************************************************/
/* Hide the help popup                                   */
/*********************************************************/

function hideHelp()
{
	helpOnScreen = false;
	helpCounter = helpSteps;		
	setTimeout('helpShrink()', helpSpeed);
}

function helpShrink()
{
	var helpLayer = findObj("helpLayer");
	if (helpLayer.style) helpLayer = helpLayer.style;

	helpCounter--;
	
	if (helpCounter >= 0) 
	{
		if (document.all && !window.innerHeight) {
			helpLayer.pixelHeight = helpCounter * helpStepHeight;
			helpLayer.pixelTop = document.body.clientHeight + document.body.scrollTop - (helpCounter * helpStepHeight);
		} else {
			helpLayer.height = helpCounter * helpStepHeight;
			helpLayer.top = window.innerHeight + window.pageYOffset - (helpCounter * helpStepHeight);
		}
		setTimeout('helpShrink()', helpSpeed);
	} 
	else 
	{
		if (document.all && !window.innerHeight) {
			helpLayer.pixelHeight = 1;
			helpLayer.pixelTop = document.body.clientHeight + document.body.scrollTop - 1;
		} else {
			helpLayer.height = 1;
			helpLayer.top = window.innerHeight + window.pageYOffset - 1;
		}
		helpLayer.visibility = 'hidden';
		
		var helpContents = findObj("helpContents");
		helpContents.innerHTML = helpDefault;
	}
}



/*********************************************************/
/* Resize the help popup                                 */
/*********************************************************/

function resizeHelp()
{	
	if (helpOnScreen == true) 
	{
		var helpLayer = findObj("helpLayer");
		if (helpLayer.style) helpLayer = helpLayer.style;

		if (document.all && !window.innerHeight) {
			helpLayer.pixelHeight = helpSteps * helpStepHeight;
			helpLayer.pixelWidth = document.body.clientWidth - helpLeft;
			helpLayer.pixelTop = document.body.clientHeight + document.body.scrollTop - (helpSteps * helpStepHeight);
		} else {
			helpLayer.height = helpSteps * helpStepHeight;
			helpLayer.width = document.width - helpLeft;
			helpLayer.top = window.innerHeight + window.pageYOffset - (helpSteps * helpStepHeight);
		}
	}
}