y=screen.height;
x=screen.width;
function obrazek(id,sirka,vyska)
{
okno=window.open("","obrazek","left="+Math.round((x-sirka)/2)+",top="+Math.round((y-vyska)/2)+",width="+sirka+",height="+vyska+",toolbar=no,"+
"location=no,directories=no,status=no,menubar=no,scrolbars=no,resizable=no,copyhistory=no");
with (okno.document)
{
open();
writeln('\n\nObrázek\n\n\n');
writeln('
\n');
writeln('\n');
okno.resizeTo(sirka,vyska);
okno.focus();
close();
}
}
function kontakt(mesto)
{
if (mesto=='praha'){
okno1=window.open("pages/praha.htm","kontakt","left="+Math.round((x-260)/2)+",top="+Math.round((y-180)/2)+",width=260,height=180,toolbar=no,"+
"location=no,directories=no,status=no,menubar=no,scrolbars=no,resizable=no,copyhistory=no");
okno1.resizeTo(290,230);}
if (mesto=='brno'){
okno1=window.open("pages/brno.htm","kontakt","left="+Math.round((x-260)/2)+",top="+Math.round((y-190)/2)+",width=260,height=190,toolbar=no,"+
"location=no,directories=no,status=no,menubar=no,scrolbars=no,resizable=no,copyhistory=no");
okno1.resizeTo(290,240);}
if (mesto=='plzen'){
okno1=window.open("pages/plzen.htm","kontakt","left="+Math.round((x-260)/2)+",top="+Math.round((y-120)/2)+",width=220,height=180,toolbar=no,"+
"location=no,directories=no,status=no,menubar=no,scrolbars=no,resizable=no,copyhistory=no");
okno1.resizeTo(250,230);}
okno1.focus();
}
function zmen(nazev,cesta,mapa)
{
document.images[nazev].src="images/"+cesta;
document.images[nazev].usemap=mapa;
}