var server_www = 'http://www.bulldozerone.cz/';

function colorizeOver(obj)
{
	obj.style.backgroundColor = '#A9A9A9';
}


  function openPopup(link, name, width, height, resizable) {
    if(!width)  width=400;
    if(!height) height=400;
    if(resizable!=0) resizable=1;

    wopener = window.open(link, name, 'toolbar=0,location=0,status=1,resizable='+ resizable +',scrollbars=1,width='+ width +',height='+ height +',top=50,left=50');
    return wopener;
  }

function colorizeOut(obj)
{
	obj.style.backgroundColor = '#CFCFCF';
}

function clickRight(id)
{
	var id_ph = Number($(id + '_value').value) + 1;

	if(id_ph <= $(id + '_max_value').value)
	{
		$(id).src = server_www + 'portfolio/' + id + '/' + (id_ph) + '.jpg';

		$(id + '_value').value = id_ph;
		$(id + '_left').style.backgroundImage = 'url(../img/arrow_left.gif)';
		$(id + '_left').style.cursor = 'pointer';
	}
	if(id_ph == $(id + '_max_value').value) 
	{
		$(id + '_right').style.backgroundImage = 'none';
		$(id + '_right').style.cursor = 'none';
	}


}

function clickLeft(id)
{
	var id_ph = Number($(id + '_value').value) - 1;

	if(id_ph > 0)
	{
		$(id).src = server_www + 'portfolio/' + id + '/' + (id_ph) + '.jpg';
		$(id + '_value').value = id_ph;
		$(id + '_right').style.backgroundImage = 'url(../img/arrow_right.gif)';
		$(id + '_right').style.cursor = 'pointer';
	}

	if(id_ph == 1) 
	{
		$(id + '_left').style.backgroundImage = 'none';
		$(id + '_left').style.cursor = 'none';
	}


}