var pocet = 5;
var id_name;
var on = true;
var off = true;
		
function karma_on(obj){
	if(on){//neprebieha cyklus na defaultne zobrazenie hodotenia
		off = false;
		id = obj.id.split("-"); 
		id_name = id[0]+"-";
		for(i = 0; i <= id[1] && i < pocet; i++)
		{
		if(document.getElementById(id_name+i)){document.getElementById(id_name+i).style.backgroundPosition = "bottom right"}; //potlacime pripadne warningy
		}
		off = true;
	}
}

function karma_off()
{
	if(off){//neprebieha cylkus na vykreslovanie hodnotenia
		on = false;
		for(i = 0; i<pocet; i++ )
		{
		if(document.getElementById(id_name+i)){document.getElementById(id_name+i).style.backgroundPosition = "bottom left"}; //potlacime pripadne warningy
		}
		on = true;
	}
}