<!-- javascript for preloading navigation rollovers -->


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];}}
}

<!-- how do I javascript for jump menu -->

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

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_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}


<!-- SWAP IMAGE -->

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_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];}
}


<!-- OPEN BROWSER WINDOW -->

function MM_openBrWindow(theURL,winName,features) { //v2.0
	linkWindow = window.open(page, "newHTML","toolbar=yes,menubar=yes,location=yes,scrollbars=yes,status=yes,resizable=yes,copyhistory=1,top=200,left=200,width=600,height=300");
	linkWindow.focus();
} 


<!-- NEW home page random image -->

var rand1 = 0;
var useRand = 0;

images = new Array;
images[1] = new Image();
images[1].src = "http://www.sbplibrary.org/images/banners/homeImg1.jpg";
images[2] = new Image();
images[2].src = "http://www.sbplibrary.org/images/banners/homeImg2.jpg";
images[3] = new Image();
images[3].src = "http://www.sbplibrary.org/images/banners/homeImg3.jpg";
images[4] = new Image();
images[4].src = "http://www.sbplibrary.org/images/banners/homeImg4.jpg";

function swapPic() {
var imgnum = images.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;
document.randimg.src = images[useRand].src;
}