var gww;
var gwh;
function calcWndSize(pw, ph)
{
  var scrw = (window.screen && window.screen.width) ? window.screen.width : 1024;
  var scrh = (window.screen && window.screen.height) ? window.screen.height : 768;
  if (scrw > 1024 || scrh > 768)
  {
    var pw1 = pw*scrw/1024;
    ph = ph*pw1/pw;
    pw = pw1;
  }
  gww = pw; gwh = ph;
}
function start_demo_simulation_mozilla_high()
{
    calcWndSize(639, 623);
    window.open("demo/simulation_mozilla_high/", "demo_sim_high", "toolbar=no,menubar=no,left=20,top=20,width="+gww+",height="+gwh+",resizable=yes");
}

function start_demo_simulation_mozilla_low()
{
    calcWndSize(639, 623);
    window.open("demo/simulation_mozilla_low/", "demo_sim_high", "toolbar=no,menubar=no,left=20,top=20,width="+gww+",height="+gwh+",resizable=yes");
}