var aktualny = 1;

var base = 'http://www.topguitar.tv/';

function setCol(typ)
{
	if (typ == 'r')
	{
		document.getElementById('next').src = base+'gfx/scroll_right_on.png';
	}
	else if ('l')
	{
		document.getElementById('prev').src = base+'gfx/scroll_left_on.png';
	}
	
}

function setBack(typ)
{
	if (typ == 'r')
	{
		document.getElementById('next').src = base+'gfx/scroll_right.png';
	}
	else if ('l')
	{
		document.getElementById('prev').src = base+'gfx/scroll_left.png';
	}
	
}


function isset(varname)  {
  if(typeof( window[ varname ] ) != "undefined") return true;
  else return false;
}

function slideFolio(col){
	var x = ((col-1)*-800)
	var folioChange = new Fx.Tween('folio', {duration:1000});
	folioChange.start('left',x);
	var cur = "trigger"+col;
	$(cur).addClass('current');

	for (i=1;i<=iloscLI;i++){
		var loopLI = "trigger"+i;

			if (cur==loopLI){}else{
				$(loopLI).removeClass('current');
			}			
		

	}
}

function check(identyfikator)
{
	var akt = 0;
	if(identyfikator==iloscLI)
	{
		akt = iloscLI -1;
		document.getElementById("right").innerHTML = '';
		document.getElementById("left").innerHTML = '<img id="prev" src="'+base+'gfx/scroll_left.png" alt="Poprzedni"  onmouseover="setCol(\'l\');" onmouseout="setBack(\'l\');"  onclick="slideFolio('+akt+');check('+akt+');">';
	}
	else if (identyfikator == 1)
	{
		akt = 2;
		document.getElementById("right").innerHTML = '<img id="next" src="'+base+'gfx/scroll_right.png" alt="Następny"  onmouseover="setCol(\'r\');" onmouseout="setBack(\'r\');" onclick="slideFolio('+akt+');check('+akt+');">';
		document.getElementById("left").innerHTML = '';
		
	}
	else
	{
		akt = identyfikator + 1;
		document.getElementById("right").innerHTML = '<img id="next" src="'+base+'gfx/scroll_right.png"  onmouseover="setCol(\'r\');" onmouseout="setBack(\'r\');" alt="Następny" onclick="slideFolio('+akt+');check('+akt+');">';
		akt = identyfikator - 1;
		document.getElementById("left").innerHTML = '<img id="prev" src="'+base+'gfx/scroll_left.png"  onmouseover="setCol(\'l\');" onmouseout="setBack(\'l\');" alt="Poprzedni" onclick="slideFolio('+akt+');check('+akt+');">';
	
	}
	
}