function favoris(URL, NOM) {
  if ( document.all && !window.opera ) {  window.external.AddFavorite(URL,NOM); } else { window.sidebar.addPanel(NOM, URL ,""); }
}

function submit_form()
{
var email=document.getElementById('iadr').value;
var name=document.getElementById('iname').value;
var text=document.getElementById('imsg').value;
var word=document.contact.txtword.value;

  if (name.length<1)
  {
    alert ('Введите свое имя, пожалуйста!');
    return false;
  }
  if ((email.indexOf('@') < 1)||(email.length<6))	 // email@site.domen 1+1+1+1+2 ~ 6..
  {
    alert ('Неверный email = '+email);
    return false;
  }
  if (text.length<1)
  {
    alert ('Заполните поле "Сообщение"!');
    return false;
  } 
  if (word.length<4)
  {
    alert ('Введите проверочный код полностью, пожалуйста!');
    return false;
  }  // else

  return true;
}

var preloaded = false;
function preloader()
{
	imgs = new Array();
	args = preloader.arguments;

	for (i = 0; i < args.length; i++)
	{
		if (args[i].indexOf('#') != 0)
		{
			imgs[i] = new Image();
			imgs[i].src = args[i];
		}
	}
	preloaded = true;
}


function menu_bg (cell_id, is_active)
{
	if (preloaded == true)
	{
		cell = document.getElementById(cell_id);
		if (is_active)
		{
			cell.style.background = "url('img/menu_bg.gif') repeat-x bottom";
		}
		else
		{
			cell.style.background = "";
		}
	}
}

function verify_comment_variable (theform)
{
	if (theform.elements['info[name]'].value == '')
	{
		alert(ERROR_NAME_EMPTY);
		theform.elements['info[name]'].focus();
		return false;
	}

	if (theform.elements['info[variant_id]'].value == '')
	{
		alert(ERROR_VARIANT_EMPTY);
		theform.elements['info[variant_id]'].focus();
		return false;
	}
	return true;
}

function verify_comment_variable_voted (theform)
{
	if (theform.elements['info[name]'].value == '')
	{
		alert(ERROR_NAME_EMPTY);
		theform.elements['info[name]'].focus();
		return false;
	}

	return true;
}


function verify_comment_yesno (theform)
{
	if (theform.elements['info[name]'].value == '')
	{
		alert(ERROR_NAME_EMPTY);
		theform.elements['info[name]'].focus();
		return false;
	}

	return true;
}