function changeElementStyle(element_id, css_style) {
	var myvar;
	myvar = 'document.getElementById("' + element_id + '").className="' + css_style + '"';
	eval(myvar);
}

function MM_findObj(n, d) { //v3.0
  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); return x;
}

/* Functions that swaps images. */
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];}
}
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_findObj(n, d) { //v3.0
  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); return x;
}

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 popup( theURL) {
  Childwin = window.open( theURL, "magnify","width=540,height=500,scrollbars=yes");
  Childwin.focus();
}

function object(strAccNum) {
	var theURL = "http://www.virtualmuseum.info/collections/object.asp?accnum=" + strAccNum;
	document.location.href = theURL;
}

function person(strSortName) {
	var theURL = "http://www.virtualmuseum.info/collections/person.asp?sortname=" + strSortName + "&bio=true";
	document.location.href = theURL;
}

function glossary(strTerm) {
	var theURL = "http://www.virtualmuseum.info/collections/glossary.asp?term=" + strTerm;
	window.open(theURL, "glossary","width=450,height=300,scrollbars=no");
	//put 'window.self.focus' in html header of popup page
	//instead of win.focus(); here to avoid an error in Internet Explorer
}

function theme(strTitle) {
	var theURL = "http://www.virtualmuseum.info/collections/theme.asp?theme=" + strTitle + "&desc=true";
	document.location.href = theURL;
}