function rollOver(div,href) {
	document.getElementById(div).className = 'mainNavOverDiv';
	href.className = 'mainNavOverLink';
}
function rollOff(div,href) {
	document.getElementById(div).className = 'mainNavOffDiv';
	href.className = 'mainNavOffLink';
}
function secondaryRollOver(div,href) {
	document.getElementById(div).className = 'secondaryNavOverDiv';
	href.className = 'secondaryNavOverLink';
}
function secondaryRollOff(div,href) {
	document.getElementById(div).className = 'secondaryNavOffDiv';
	href.className = 'secondaryNavOffLink';
}
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_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) { //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];}
}
function getRefToDiv (divID, oDoc) {
	if (document.getElementById) {
		return document.getElementById(divID); 
	}
	if (document.all) {
		return document.all[divID]; 
	}
	if (!oDoc) { 
		oDoc = document; 
	}
	if (document.layers) {
		if (oDoc.layers[divID]) { 
			return oDoc.layers[divID]; 
		}
		else {
			for (var x=0, y; !y && x < oDoc.layers.length; x++) {
				y = getRefToDiv (divID, oDoc.layers[x].document); 
			}
			return y; 
		}
	}
	return false;
}

function showDiv(divID_as_a_string) {
	myReference = getRefToDiv(divID_as_a_string);
	if (!myReference) {
		return;
	}
	if (myReference.style) {
		myReference.style.visibility = "visible";
	} else {
		myReference.visibility = "show";
	}
}

function hideDiv(divID_as_a_string) {
	myReference = getRefToDiv(divID_as_a_string);
	if (!myReference) {
		return;
	}
	if (myReference.style) {
		myReference.style.visibility = "hidden";
	} else {
		myReference.visibility = "hide";
	}
}


function rollOffSubnav(div,otherDiv) {
	document.getElementById(div).className = 'mainNavOffDiv';
	document.getElementById(otherDiv).className = 'mainNavOffLink'; }