/* 
=========================================================================================== CREDITS
Copyright											  2008 JPL Productions
Author                Larry Daughenbaugh
=========================================================================================== BEGIN JAVASCRIPT
*/					

/* ======================================================================================== PRELOAD IMAGES */
function preload() {
    var picsCollection = new Array();
    var pics = preload.arguments;
    for (i=0; i < pics.length; i++) {
        picsCollection[i] = new Image();
        picsCollection[i].src = pics[i];
    }
}
// Multiple onload function created by: Simon Willison
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
  } else {
        window.onload = function() {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}
addLoadEvent(function() {
    preload(
        '/general/img/nav/home-on.gif',
        '/general/img/nav/about-on.gif',
        '/general/img/nav/investor-relations-on.gif',
        '/general/img/nav/newsroom-on.gif',
        '/general/img/nav/business-customers-on.gif',
        '/general/img/nav/making-difference-on.gif',
        '/general/img/nav/careers-on.gif',
        '/general/img/nav/contact-on.gif'
				);
});

/* ======================================================================================== RESTORE SWAPPED IMAGE */
function imgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
/* ======================================================================================== SWAP IMAGE */
function MM_findObj(n, d) {
  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 imgSwap() {
  var i,j=0,x,a=imgSwap.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];}
}