/* image rollovers */
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_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_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];}
}
/* AJAX functions */
//Request factory, enables simultaneous AJAX calls
function xhRequest() {
	var req;
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	return req;
}

//Replace the contents of a DIV with an AJAX response
function ajaxReplace(url, divName) {
	var r = new xhRequest();
	r.open("GET", url, true);
	r.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	r.onreadystatechange = function() {
		if (r.readyState == 4 && r.status == 200) {
			if (divName != null) {
				document.getElementById(divName).innerHTML = r.responseText;
			}
			delete r;
                }	
	};
	r.send(null);
}

//Make an AJAX request, and ignore the response
function ajaxGet(url) {
	ajaxReplace(url, null);
}

$(document).ready(function(){

               $("ul.mainNav li span").hover(function() { //When trigger is clicked...

                       //Following events are applied to the subnav itself (moving subnav up and down)
                       $(this).find("ul.subNav").slideDown('fast').show(); //Drop down the subnav on click

                       $(this).hover(function() {
                       }, function(){
                               $(this).find("ul.subNav").slideUp('slow'); //When the mouse hovers out of the subnav, move it back up
                       });

                       //Following events are applied to the trigger (Hover events for the trigger)
                       }).hover(function() {
                               $(this).addClass("subHover"); //On hover over, add class "subhover"
                       }, function(){  //On Hover Out
                               $(this).removeClass("subHover"); //On hover out, remove class "subhover"
               });

          });