var onImages = new Array();
onImages[1] = new Image(76,41);
onImages[1].src = "htmls/1b.gif";
onImages[2] = new Image(133,41);
onImages[2].src = "htmls/2b.gif";
onImages[3] = new Image(79,41);
onImages[3].src = "htmls/3b.gif";
onImages[4] = new Image(90,41);
onImages[4].src = "htmls/4b.gif";



var offImages = new Array();

function onImg(id)
{
    var el = document.getElementById('nav'+id);
    if (el)
	{
		offImages[id] = el.src;
		if (id==5)
		{
            var eltxt = document.getElementById('searchtext');
			if (!eltxt || eltxt.value=="") return;
        }
		el.src = onImages[id].src; 
    }
}

function offImg(id)
{
	var el = document.getElementById('nav'+id);
	if (el)
	{
		el.src = offImages[id]; 
    }
}

function startSearch()
{
    var el = document.getElementById('searchform');
    if (el)
    {
        if (checkSubmitSearch()) el.submit();
    }
}

function checkSubmitSearch()
{
    var eltxt = document.getElementById('searchtext');
    if (eltxt)
    {
        var s = eltxt.value;
        var s1 = Trim(s);
        if (s1=="" || s=="Что ищем?")
        {
            eltxt.value = "";
            eltxt.focus();
            alert("Задайте текст поиска");
            return false;
        }
        else
        {
            return true; 
        }
    }
    return false;
}

function postlogin(sf)
{
	var el = document.getElementById('loginform'+sf);
    if (el) el.submit();
    else alert("el not found");
}


function searchOnFocus()
{
    var el = document.getElementById('searchtext');
    if (el)
    {
        if (el.value=='Что ищем?') el.value='';
    }
}

function searchOnUnfocus()
{
    var el = document.getElementById('searchtext');
    if (el)
    {
        if (el.value=='') el.value='Что ищем?';
    }
}