var activeNav = null;
// var overNav = null;

initScr = function() {
	if (document.getElementById) {
		setNavRO();
//		setNavROwDelay(1000);
		if (document.getElementById("home")) {
			setFeatureRO();
		}
	}
}

window.onload=initScr;

function setNavRO () {
	navRoot = document.getElementById("nav").getElementsByTagName('ul')[0];
	for (i=0; i<navRoot.childNodes.length; i++) {
		node = navRoot.childNodes[i];
		if (node.nodeName=="LI") {
			if (node.className!="active") {
				node.onmouseover=function() {
					activeNav.className="activeclosed";
					this.className="over";
				}
				node.onmouseout=function() {
					activeNav.className="active";
					this.className="";
				}
			} else {
				activeNav=node;
			}
		}
	}
}

function setFeatureRO () {
	MM_preloadImages('i/featurephoto-brinksco.jpg');
	document.getElementById("ocbrinksinc").onmouseover = function() { MM_swapImage('featurephoto','','i/featurephoto-brinksco.jpg',1); }
	document.getElementById("ocbrinksinc").onmouseout = function() { MM_swapImgRestore(); }
	document.getElementById("ocbhs").onmouseover = function() { MM_swapImage('featurephoto','','i/featurephoto-brinksco.jpg',1); }
	document.getElementById("ocbhs").onmouseout = function() { MM_swapImgRestore(); }
}

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];}
}


// Alternate functions for delayed RO return

function setNavROwDelay (delayMS) {
	navRoot = document.getElementById("nav").getElementsByTagName('ul')[0];
	for (i=0; i<navRoot.childNodes.length; i++) {
		node = navRoot.childNodes[i];
		if (node.nodeName=="LI") {
			if (node.className!="active") {
				node.onmouseover=function() {
					clearTimeout(lastTimeout);
					if (overNav) {
						overNav.className="";
						overNav=null;
					}
					activeNav.className="activeclosed";
					this.className="over";
					overNav = this;
				}
				node.onmouseout=function() {
					lastTimeout = setTimeout("navOut()", delayMS);
				}
			} else {
				activeNav=node;
				node.onmouseover=function() {
					clearTimeout(lastTimeout);
					if (overNav) {
						overNav.className="";
						overNav=null;
					}
					activeNav.className="active";
				}
			}
		}
	}
}

function navOut () {
	activeNav.className="active";
	overNav.className="";
	overNav=null;
}