function gotoPage(url,event)
{
location.href=url;
}


function parfem12() {
		var z1 = document.getElementById('zalozka1');
		var z2 = document.getElementById('zalozka2');
if ( z2.className == 'offon')
{  z2.className = "off"; z1.className = "on";  }
else  { }
}

function kozmos12() {
		var z1 = document.getElementById('zalozka1');
		var z2 = document.getElementById('zalozka2');
if ( z2.className == 'off')
{  z1.className = "onoff"; z2.className = "offon";  }
else  { }
}



function vrstva(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].display = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.display = iState ? "block" : "none";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.display = iState ? "block" : "none";
    }
}

function vrstva1(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
    }
}