var DHTML = (document.getElementById);

function menu_on(menunumber) {
	// Turn on one pulldown menu

	if (DHTML) {
		var closerobj = document.getElementById("menu-closer");
		var menuobj = document.getElementById("menu-" + menunumber);

		var i = 1;
		var loopobj = document.getElementById("menu-" + i);
		
		while (loopobj != null) {
			// Loop through all numbered menus

			if (i == menunumber) {
				// Turn on menu closer
				closerobj.style.visibility = 'visible';			
			
				// Show one menu
				loopobj.style.visibility = 'visible';

			} else {
				// And hide all others
				loopobj.style.visibility = 'hidden';
			}
			
			i++;
			loopobj = document.getElementById("menu-" + i);
		}
	}
}

function menu_off() {

	// Close all pulldown menus
	if (DHTML) {
		var closerobj = document.getElementById("menu-closer");

		// Hide menu closer		
		closerobj.style.visibility = 'hidden';

		var i = 1;
		var loopobj = document.getElementById("menu-" + i);

		while (loopobj != null) {
			// Loop through all numbered menus and hide them
			loopobj.style.visibility = 'hidden';

			i++;
			loopobj = document.getElementById("menu-" + i);
		}
	}
}

function menu_toggle(menunumber) {

	if (DHTML) {
		var menuobj = document.getElementById("menu-" + menunumber);

		if (menuobj.style.visibility != 'visible')
			menu_on(menunumber);
		else
			menu_off();
	}
}

function val_search_string(formtag)
{
  var invalid = "";
  var re, i;
  var elts=document.forms[formtag].elements;
  re = /\w+/;

  if (! re.test(elts["site_search_string"].value))
  {  
    alert ("Please enter a search string.");
    return false;
  }
   
  return true;
}

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) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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];}
}

var guideWinNum=0;

function destroyPopup(window_base, counter, w, h) {

        var txt = "height=" + h + ",width=" + w;

    if (counter > 0) {

        oldWin = window.open("", window_base + (counter-1), txt);

        oldWin.close();

    };

}

function createPopup(url_name, window_base, counter, w, h)

{

 var txt = "toolbar=no,location=no,menubar=no,resizable=yes,scrollbars=auto,width=";

        txt = txt + w + ",height=" + h;

    destroyPopup(window_base, counter, w, h);

    window.open(url_name, window_base + counter,txt);

}

function closeIt() {
  close();
}

<!-- BEGIN LAYER SCRIPTS

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function P7_Snap() { //v2.62 by PVII
  var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=P7_Snap.arguments;a=parseInt(a);
  for (k=0; k<(args.length-3); k+=4)
   if ((g=MM_findObj(args[k]))!=null) {
    el=eval(MM_findObj(args[k+1]));
    a=parseInt(args[k+2]);b=parseInt(args[k+3]);
    x=0;y=0;ox=0;oy=0;p="";tx=1;da="document.all['"+args[k]+"']";
    if(document.getElementById) {
     d="document.getElementsByName('"+args[k]+"')[0]";
     if(!eval(d)) {d="document.getElementById('"+args[k]+"')";if(!eval(d)) {d=da;}}
    }else if(document.all) {d=da;} 
    if (document.all || document.getElementById) {
     while (tx==1) {p+=".offsetParent";
      if(eval(d+p)) {x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
      }else{tx=0;}}
     ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);var tw=x+ox+y+oy;
     if(tw==0 || (navigator.appVersion.indexOf("MSIE 4")>-1 && navigator.appVersion.indexOf("Mac")>-1)) {
      ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);
      }else{var w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;
      a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
      x=document.body.scrollLeft + event.clientX + bx;
      y=document.body.scrollTop + event.clientY;}}
   }else if (document.layers) {x=g.x;y=g.y;var q0=document.layers,dd="";
    for(var s=0;s<q0.length;s++) {dd='document.'+q0[s].name;
     if(eval(dd+'.document.'+args[k])) {x+=eval(dd+'.left');y+=eval(dd+'.top');break;}}}
   if(el) {e=(document.layers)?el:el.style;
   var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
   if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4){xx+="px";yy+="px";}
   if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
    xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    xx+="px";yy+="px";}e.left=xx;e.top=yy;}}
}

function P7_hideDiv(evt) { //v1.3 by PVII
 var b,relT,mT=false; 
 if(document.layers){b=evt.target;if(b.p7aHide){
  b.visibility="hidden";}else{routeEvent(evt);}
 }else if(document.all&&!window.opera){b=event.srcElement;
  while(b!=null){if(b.tagName=="DIV" && b.p7ahD){mT=true;break;}b=b.parentElement;}
  if(!b.contains(event.toElement)){b.style.visibility="hidden";}
 }else if(document.getElementById){b=evt.currentTarget;relT=evt.relatedTarget;
  while(relT!=null){if(b==relT){mT=true;break;}
  relT=relT.parentNode;}if(!mT){b.style.visibility="hidden";}}
}

function P7_autoHide() { //v1.3 by PVII
 var i,g,args=P7_autoHide.arguments;
 for(i=0;i<args.length;i++){if((g=MM_findObj(args[i]))!=null){
  g.p7aHide=true;if(document.layers){
  g.captureEvents(Event.MOUSEOUT);}g.onmouseout=P7_hideDiv;g.p7ahD=true;}}
}

// Legacy behaviors
// jQuery Strangeness ahead: '$' causes "$('selector') is null"
jQuery(document).ready(function() {

    // Set subnav active
    var index = 0;
    jQuery('#navresources .navmenu a').each(function() {
        if(document.location.pathname.indexOf( jQuery(this).attr('href') ) == 0) {
            jQuery(this).addClass('active');
            index = parseInt(jQuery(this).parent().attr('id').replace('menu-', ''));
            }                  
    });
    
    // perhaps we're at the links page:
    if( document.location.pathname.indexOf('/resources/links.asp') >= 0 )
        index = 5;
        
    // set subnav
    jQuery('#resources .subnav ul li').each(function() {    
        if(jQuery(this).index() == 5-index) {        
            jQuery(this).children().addClass('activemenu');
        }
        });     
                
    // Tool menus drop downs 
    jQuery("#header-tools li a").hover(function() {
        jQuery(this).parent('li').addClass("show");
    }, function() {
        jQuery(this).parent('li').removeClass("show");
    });

    jQuery('.sub-menu').hover(function() {
        jQuery(this).parent('li').addClass("show");
    }, function() {
        jQuery(this).parent('li').removeClass("show");
    });
});