// Random for "About Science Centers" images
 var ic = 8;   
    var imdr = new Array;
        
imdr[0] = "../sciencecenters/images/smm_electric.jpg";
imdr[1] = "../sciencecenters/images/air3.jpg";
imdr[2] = "../sciencecenters/images/blower.jpg";
imdr[3] = "../sciencecenters/images/switchyard.jpg";
imdr[4] = "../sciencecenters/images/meena.jpg";
imdr[5] = "../sciencecenters/images/olderman_boy.jpg";
imdr[6] = "../sciencecenters/images/fathers_nose.jpg";
imdr[7] = "../sciencecenters/images/air_rings.jpg";

function pickRandom(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now = new Date();
return (now.getTime() / 1000) % range;
}
}

var choice = pickRandom(ic);


 var ic2 = 4;   
    var imdr2 = new Array;
        
imdr2[0] = "images/cali_scicenter.jpg";
imdr2[1] = "images/lawrence_hall.jpg";
imdr2[2] = "images/london_scimuseum.jpg";
imdr2[3] = "images/mesci_japan.jpg";

function pickRandom2(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now2 = new Date();
return (now2.getTime() / 1000) % range;
}
}
var choice2 = pickRandom2(ic2);

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}