function scroll_config(tcount, vcount, scount, index, pref)
{
	this.tcount = tcount;
	this.vcount = vcount;
	this.scount = scount;
	this.index  = index;
	this.pref   = pref;
}

var rub_scroll   = new scroll_config(0, 4, 4, 0, 'divrub');
var issue_scroll = new scroll_config(0, 4, 4, 0, 'divissue');
var year_scroll  = new scroll_config(0, 4, 4, 0, 'divyear');
var cat_scroll   = new scroll_config(0, 6, 6, 0, 'divcat');

function menu_scroll( direction, scfg )
{
	//alert(scfg.tcount+' '+scfg.vcount+' '+scfg.scount+' '+scfg.index+' '+scfg.pref);
	scroll_count = scfg.scount;
	var i;

	for ( i = 0; i < scroll_count; i++ )
	{
		// direction == up
		if ( direction == -1 ) setTimeout(function(){scroll_up(scfg);}, i*50);

		// direction == down
		if ( direction ==  1 ) setTimeout(function(){scroll_down(scfg);}, i*50);
	}
	return;
}

function scroll_up( scfg )
{
	//alert(scfg.tcount+' '+scfg.vcount+' '+scfg.scount+' '+scfg.index+' '+scfg.pref);

	index_    = scfg.index;
	maxcount_ = scfg.vcount;

	if ( index_ > 0 )
	{
		document.getElementById( scfg.pref + ( index_ - 1 ) ).style.display = '';
		document.getElementById( scfg.pref + ( index_ + maxcount_ - 1 ) ).style.display = 'none';
		scfg.index--;
	}

	set_button_status( scfg );

	return;
}

function scroll_down( scfg )
{
	//alert(scfg.tcount+' '+scfg.vcount+' '+scfg.scount+' '+scfg.index+' '+scfg.pref);

	index_    = scfg.index;
	count_    = scfg.tcount;
	maxcount_ = scfg.vcount;

	if ( index_ <= ( count_ - maxcount_ ) )
	{
		document.getElementById( scfg.pref + ( index_ ) ).style.display = 'none';
		document.getElementById( scfg.pref + ( index_ + maxcount_ ) ).style.display = '';
		scfg.index++;
	}

	set_button_status( scfg );

	return;
}

function set_button_status( scfg )
{
	index_    = scfg.index;
	count_    = scfg.tcount;
	maxcount_ = scfg.vcount;

	if ( index_ <= 0 )
	{
		document.getElementById(scfg.pref+'upimg').style.cursor = '';
		document.getElementById(scfg.pref+'upimg').src = 'web_images/up_disabled.gif';
	} else {
		document.getElementById(scfg.pref+'upimg').style.cursor = 'pointer';
		document.getElementById(scfg.pref+'upimg').src = 'web_images/up_enabled.gif';
	}

	if ( ( index_ + maxcount_ ) > ( count_ ) )
	{
		document.getElementById(scfg.pref+'downimg').style.cursor = '';
		document.getElementById(scfg.pref+'downimg').src = 'web_images/down_disabled.gif';
	} else {
		document.getElementById(scfg.pref+'downimg').style.cursor = 'pointer';
		document.getElementById(scfg.pref+'downimg').src = 'web_images/down_enabled.gif';
	}
}

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

var skrii = 'Скрий рецензията';
var pokaji = 'Покажи рецензията';

function hiderow(theTable)
{
	//alert(document.body.scrollTop);

	if (document.getElementById(theTable).style.display == 'none')
	{
   		document.getElementById(theTable).style.display = '';
   		document.getElementById('hs_rcsn').innerHTML = skrii;
   		document.getElementById('cont_holder').scrollTop = document.getElementById('cont_holder').scrollTop + 220;
	} else {
		document.getElementById(theTable).style.display = 'none';
   		document.getElementById('hs_rcsn').innerHTML = pokaji;
	}
}

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