function on1(a)
{
 browName = navigator.appName;
// if (browName=="Microsoft Internet Explorer")
 {
   mapa.style.visibility='visible';
 }
/* else
 {
   a.filters.moz-opacity=1.0;
 } */
}

function off1(a)
{
browName = navigator.appName;
if (browName=="Microsoft Internet Explorer")
{
  a.filters.alpha.opacity=40;
}
}

function k_on(text,pos)
{
var lp=540;
//alert (navigator.appName);
if (navigator.appName=="Microsoft Internet Explorer")
 {
   lp=lp-485;
 }

/* document.getElementById("mapa").innerHTML=text; */
//document.getElementById("mapa").style.top=pos;
document.getElementById("mapa").style.left=lp;
document.getElementById("mapa").style.visibility="visible";
document.getElementById("mapa").style.backgroundImage="url("+text+")";
/* document.getElementById("mapa1").src="mapax1.gif"; */
}

function k_off()
{
document.getElementById("mapa").style.visibility="hidden";
}

function validate1(t1, t2, t3)
{
 if (document.forms[0].nick.value == "")
 {
 alert(t1);
 document.forms[0].nick.focus();
 return false;
 }
 else if (document.forms[0].email.value == "")
 {
 alert(t2);
 document.forms[0].email.focus();
 return false;
 }
 else if (document.forms[0].zprava.value == "")
 {
 alert(t3);
 document.forms[0].zprava.focus();
 return false;
 }
}

function popup(w,h)
{
 okno1=window.open("","Okno1",'toolbar=0, statusbar=0, location=0, scrollbars=0,width='+w+',height='+h+',resizable=0,top=0,left=0');
 okno1.resizeTo(w,h);
 okno1.focus();
}