function displayWindow(url) {
        var Win = window.open(url,"displayWindow",'width=800,height=570,left=0,top=0,resizable=0,scrollbars=yes,menubar=no');}

function displayWindowzdjecie(url) {
        var Win = window.open(url,"displayWindow",'width=640,height=450,left=20,top=20,resizable=1,scrollbars=yes,menubar=no'); }

function show(ukryj,pokaz)
{		
    var tab_ukryj=ukryj.split(",")
    var tab_pokaz=pokaz.split(",")
    
    for (i=0; i<tab_ukryj.length; i++)
     {
	  document.getElementById(tab_ukryj[i]).style.visibility="hidden";
	  document.getElementById(tab_ukryj[i]).style.display="none";	     
     }
     
    for (i=0; i<tab_pokaz.length; i++)
     {
	  document.getElementById(tab_pokaz[i]).style.visibility="visible";
	  document.getElementById(tab_pokaz[i]).style.display="block";	     
     }        
}