// function to highlight input fields
//
function highlightColor(theForm,theElement,theColor){document.forms[theForm].elements[theElement].style.backgroundColor=theColor;}


// function to create rollovers in sitenav

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 showMore(showMe,hideMe)
{
if( document.getElementById )
{
	if( document.getElementById(showMe).style.display )
	{
		if( document.getElementById(showMe).style.display == "block" )
		{
			document.getElementById(showMe).style.display = "none";
		} else {
			document.getElementById(showMe).style.display = "block";
		}
	} else {
		document.getElementById(showMe).style.display = "block";
	}
}
}

      function addEvent(obj, evType, fn){ 
        if (obj.addEventListener){ 
          obj.addEventListener(evType, fn, false); 
          return true; 
        } else if (obj.attachEvent){ 
          var r = obj.attachEvent("on"+evType, fn); 
          return r; 
        } else { 
          return false; 
        } 
      }

function imageLoad () {
MM_preloadImages('/images/nav_home_over.gif');
MM_preloadImages('/images/nav_stories_over.gif');
MM_preloadImages('/images/nav_participate_over.gif');
MM_preloadImages('/images/nav_learn_over.gif');
MM_preloadImages('/images/nav_events_over.gif');
MM_preloadImages('/images/nav_maps_over.gif');
MM_preloadImages('/images/nav_projects_over.gif');
MM_preloadImages('/images/nav_news_over.gif');
MM_preloadImages('/images/nav_about_over.gif');
MM_preloadImages('/images/nav_contact_over.gif');
}

addEvent(window, 'load', imageLoad);