// JavaScript Document

<!--
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];}
}

function MM_showHideLayers() { //v6.0
  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 hideall() {
MM_showHideLayers('dd_exhib_contain','','hide');
MM_showHideLayers('dd_gallery_contain','','hide');
MM_showHideLayers('dd_news_contain','','hide');
MM_showHideLayers('dd_port_contain','','hide');
MM_showHideLayers('dd_education_contain','','hide');
MM_showHideLayers('dd_memberships_contain','','hide');
}

var goBlank="";
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}//-->
function limitText(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}



function scrollUp(){
	window.scrollBy(0,-150);
}

function scrollDown(){
	window.scrollBy(0,150);
}

function scrollEnd(){
}

function MouseIsDown(e)
{
var targ;
if (!e)
  {
  var e=window.event;
  }
if (e.target)
  {
  targ=e.target;
  }
else if (e.srcElement)
  {
  targ=e.srcElement;
  }
if (targ.nodeType==3) // defeat Safari bug
  {
  targ = targ.parentNode;
  }
var tname;
targ.click();
}

/*
var scrollSpeed = 	1;
var scrollInt;

function scrollUp(){
	scrollEnd();
	scrollInt = 	setInterval("scrollAuto(-15);", scrollSpeed);
}

function scrollDown(){
	scrollEnd();
	scrollInt = 	setInterval("scrollAuto(15);", scrollSpeed);
}

function scrollAuto(scrollY){
	window.scrollBy(0,scrollY);
}

function scrollEnd(){
	clearInterval(scrollInt);
}
*/


// MailTo Obfuscation
// See: global.php -> mailtoReplace()
function mr(userName, domain, aTag, aText, aTextStart, aTextEnd){
	var anchorText = 	aText;
	if(aText == null || aText == ""){
		anchorText = 	userName + "&#64;" + domain;
	}
	document.write('<a href=' + '"mail' + 'to:' + userName + '&#64;' + domain + '"' + aTag + '>' + aTextStart + anchorText + aTextEnd + '</a>');
}

// Email Address Obfuscation
// See: global.php -> emailReplace()
function er(userName, domain){
	document.write(userName + '&#64;' + domain);
}
function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

var state = 'none';

function showhide(layer_ref) {

	if (state == 'block') {
		state = 'none';
	}
	else {
		state = 'block';
	}
	if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
	}
	if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
	}
	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
	}
}

function toggle(id) {
	var state = document.getElementById(id).style.display;
	if (state == 'block') {
		document.getElementById(id).style.display = 'none';
	} else {
		document.getElementById(id).style.display = 'block';
	}
}