var zobrazena = "prodi1"; 
		function zobraz(prodi0){
			if (document.getElementById){
				document.getElementById(zobrazena).style.display = "none"; 
				document.getElementById(prodi0).style.display = "block";
				zobrazena = prodi0; 
				return false; 
			}
			else {
				return true; 
			} 
		}
var zobrazena8 = "d1"; 
		function akt9(akt){
			if (document.getElementById){
				document.getElementById(zobrazena8).style.backgroundColor = "#fff"; 
				document.getElementById(akt).style.backgroundColor = "#F2F2F2";
				zobrazena8 = akt; 
				return false; 
			}
			else {
				return true; 
			} 
		}

function change(cenik) 
{
	if(cenik=="cenik1")
	{
		document.getElementById("cenik2").style.display="none";
		document.getElementById("cenik2odk").className="";
		document.getElementById("cenik1").style.display="";
		document.getElementById("cenik1odk").className="akt";
	}
	else if(cenik=="cenik2")
	{
	  document.getElementById("cenik1").style.display="none";
		document.getElementById("cenik1odk").className="";
		document.getElementById("cenik2").style.display="";
		document.getElementById("cenik2odk").className="akt";
	}
	else return true;
}

function change2(classname, linkclass, howmach, newitem)
{
    for( i=0;i<howmach; i++)
    {
	document.getElementById(classname+i).style.display="none";
	document.getElementById(linkclass+i).className="";
    }
	document.getElementById(classname+newitem).style.display="";
	document.getElementById(linkclass+newitem).className="akt";

}