function MM_preloadImages()
{ //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

var x,y;
function getWindowWidth()
{
  if (self.innerHeight) // all except Explorer
  {
    x = self.innerWidth;
    y = self.innerHeight;
  }
  else if (document.documentElement && document.documentElement.clientHeight)
    // Explorer 6 Strict Mode
  {
    x = document.documentElement.clientWidth;
    y = document.documentElement.clientHeight;
  }
  else if (document.body) // other Explorers
  {
    x = document.body.clientWidth;
    y = document.body.clientHeight;
  }
}

function swapGallery(myImage,myText)
{
  document.getElementById("picDescription").innerHTML = myText;
  document.getElementById("gallery").src = myImage;
}
function swapImage(myImage,newImage) { document.getElementById(myImage).src = newImage; }

function showPopup(myPage,myExtras,winWidth,winHeight)
{
  //centre on screen
  getWindowWidth();
  var winLeft = (x / 2) - (winWidth/2);
  var winTop = (y / 2) - (winHeight/2);

  newPage = myPage+".php";
  if (myExtras != "") { newPage += "?" + myExtras; }
  informationPopup = window.open(newPage,'informationPopup','width='+winWidth+',height='+winHeight+',resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0,left='+winLeft+',top='+winTop);
  if (window.focus) { informationPopup.focus(); }
}

function showFirewall()
{
  var winWidth=758
  var winHeight=443;
  //centre on screen
  getWindowWidth();
  var winLeft = (x / 2) - (winWidth/2);
  var winTop = (y / 2) - (winHeight/2);

  firewallPopup = window.open('firewallmain.php','firewallPopup','width='+winWidth+',height='+winHeight+',resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0,left='+winLeft+',top='+winTop);
  if (window.focus) { firewallPopup.focus(); }
}