if(document.images) {


headbutton1off = new Image();
headbutton1off.src = "images/button.home.gif";

headbutton1over = new Image();
headbutton1over.src = "images/button.home-over.gif";

headbutton1on = new Image();
headbutton1on.src = "images/button.home-down.gif";


headbutton2off = new Image();
headbutton2off.src = "images/button.services.jpg";

headbutton2over = new Image();
headbutton2over.src = "images/button.services-over.jpg";

headbutton2on = new Image();
headbutton2on.src = "images/button.services-down.jpg";


headbutton3off = new Image();
headbutton3off.src = "images/button.publications.jpg";

headbutton3over = new Image();
headbutton3over.src = "images/button.publications-over.jpg";

headbutton3on = new Image();
headbutton3on.src = "images/button.publications-down.jpg";


headbutton4off = new Image();
headbutton4off.src = "images/button.about.jpg";

headbutton4over = new Image();
headbutton4over.src = "images/button.about-over.jpg";

headbutton4on = new Image();
headbutton4on.src = "images/button.about-down.jpg";


headbutton5off = new Image();
headbutton5off.src = "images/button.partners.jpg";

headbutton5over = new Image();
headbutton5over.src = "images/button.partners-over.jpg";

headbutton5on = new Image();
headbutton5on.src = "images/button.partners-down.jpg";


headbutton6off = new Image();
headbutton6off.src = "images/button.resources.jpg";

headbutton6over = new Image();
headbutton6over.src = "images/button.resources-over.jpg";

headbutton6on = new Image();
headbutton6on.src = "images/button.resources-down.jpg";


headbutton7off = new Image();
headbutton7off.src = "images/button.testimonials.jpg";

headbutton7over = new Image();
headbutton7over.src = "images/button.testimonials-over.jpg";

headbutton7on = new Image();
headbutton7on.src = "images/button.testimonials-down.jpg";


headbutton8off = new Image();
headbutton8off.src = "images/button.contact.jpg";

headbutton8over = new Image();
headbutton8over.src = "images/button.contact-over.jpg";

headbutton8on = new Image();
headbutton8on.src = "images/button.contact-down.jpg";






}


function setOn(buttonname) {
thismenuname = buttonname ;
if (document.images) {
	changeImages("headbutton1","headbutton1off") ;
	changeImages("headbutton2","headbutton2off") ;
	changeImages("headbutton3","headbutton3off") ;
	changeImages("headbutton4","headbutton4off") ;
	changeImages("headbutton5","headbutton5off") ;
	changeImages("headbutton6","headbutton6off") ;
	changeImages("headbutton7","headbutton7off") ;
	changeImages("headbutton8","headbutton8off") ;
	hideAll();

	if (buttonname=="headbutton1") {
		thismenuname="headbutton1" ;
		changeImages("headbutton1","headbutton1on") ;
		}
	if (buttonname=="headbutton2") {
		thismenuname="headbutton2" ;
		changeImages("headbutton2","headbutton2on") ;
		}
	if (buttonname=="headbutton3") {
		thismenuname="headbutton3" ;
		changeImages("headbutton3","headbutton3on") ;
		}
	if (buttonname=="headbutton4") {
		thismenuname="headbutton4" ;
		changeImages("headbutton4","headbutton4on") ;
		}
	if (buttonname=="headbutton5") {
		thismenuname="headbutton5" ;
		changeImages("headbutton5","headbutton5on") ;
		}
	if (buttonname=="headbutton6") {
		thismenuname="headbutton6" ;
		changeImages("headbutton6","headbutton6on") ;
		}
	if (buttonname=="headbutton7") {
		thismenuname="headbutton7" ;
		changeImages("headbutton7","headbutton7on") ;
		}
	if (buttonname=="headbutton8") {
		thismenuname="headbutton8" ;
		changeImages("headbutton8","headbutton8on") ;
		}
	 }
 }

function outCheck(bname) {
if (document.images) {
	hideAll();
	var showLayer = thismenuname + "Layer";
	
	if (bname=="headbutton1") {
		if (thismenuname=="headbutton1") changeImages("headbutton1","headbutton1on") ;
		else changeImages("headbutton1","headbutton1off")  ;
		}
	if (bname=="headbutton2") {
		if (thismenuname=="headbutton2") changeImages("headbutton2","headbutton2on") ;
		else changeImages("headbutton2","headbutton2off")  ;
		}
	if (bname=="headbutton3") {
		if (thismenuname=="headbutton3") changeImages("headbutton3","headbutton3on") ;
		else changeImages("headbutton3","headbutton3off")  ;
		}
	if (bname=="headbutton4") {
		if (thismenuname=="headbutton4") changeImages("headbutton4","headbutton4on") ;
		else changeImages("headbutton4","headbutton4off")  ;
		}
	if (bname=="headbutton5") {
		if (thismenuname=="headbutton5") changeImages("headbutton5","headbutton5on") ;
		else changeImages("headbutton5","headbutton5off")  ;
		}
	if (bname=="headbutton6") {
		if (thismenuname=="headbutton6") changeImages("headbutton6","headbutton6on") ;
		else changeImages("headbutton6","headbutton6off")  ;
		}
	if (bname=="headbutton7") {
		if (thismenuname=="headbutton7") changeImages("headbutton7","headbutton7on") ;
		else changeImages("headbutton7","headbutton7off")  ;
		}
	if (bname=="headbutton8") {
		if (thismenuname=="headbutton8") changeImages("headbutton8","headbutton8on") ;
		else changeImages("headbutton8","headbutton8off")  ;
		}
	}
}


function overCheck(bname) {
if (document.images) {
	if (bname=="headbutton1") {
		if (thismenuname=="headbutton1") changeImages("headbutton1","headbutton1on") ;
		else changeImages("headbutton1","headbutton1over"); hideAll(); 
		}
	if (bname=="headbutton2") {
		if (thismenuname=="headbutton2") changeImages("headbutton2","headbutton2on") ;
		else changeImages("headbutton2","headbutton2over"); hideAll(); 
		}
	if (bname=="headbutton3") {
		if (thismenuname=="headbutton3") changeImages("headbutton3","headbutton3on") ;
		else changeImages("headbutton3","headbutton3over"); hideAll(); MM_showHideLayers('headbutton3Layer','','show');
		}
	if (bname=="headbutton4") {
		if (thismenuname=="headbutton4") changeImages("headbutton4","headbutton4on") ;
		else changeImages("headbutton4","headbutton4over"); hideAll(); 
		}
	if (bname=="headbutton5") {
		if (thismenuname=="headbutton5") changeImages("headbutton5","headbutton5on") ;
		else changeImages("headbutton5","headbutton5over"); hideAll(); 
		}
	if (bname=="headbutton6") {
		if (thismenuname=="headbutton6") changeImages("headbutton6","headbutton6on") ;
		else changeImages("headbutton6","headbutton6over"); hideAll(); MM_showHideLayers('headbutton6Layer','','show');
		}
	if (bname=="headbutton7") {
		if (thismenuname=="headbutton7") changeImages("headbutton7","headbutton7on") ;
		else changeImages("headbutton7","headbutton7over"); hideAll(); 
		}
	if (bname=="headbutton8") {
		if (thismenuname=="headbutton8") changeImages("headbutton8","headbutton8on") ;
		else changeImages("headbutton8","headbutton8over"); hideAll(); 
		}
	}
}




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;
}

var hideDone = "no";

function MM_showHideLayers() { //v6.0
  if(hideDone == "no") {
  	hideAll();
  }
  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()	{
	hideDone="yes"; 
	MM_showHideLayers('headbutton3Layer','','hide');
	MM_showHideLayers('headbutton6Layer','','hide');
}











function changeImages() {
if (document.images)
{ 
for (var i=0; i<changeImages.arguments.length; i+=2) { 
document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src"); 
		}
	}
 }



// email address hider
function emailName(emailFront,emailBack) {
	return emailFront + "@" + emailBack;
}

function sendEmail(emailFront,emailBack) {
	return "<A HREF='mailto:" + emailFront + "@" + emailBack + "'>";
}



//  popup window
var popupwin=0;
function popup() {
	if(popupwin) { popupwin.close(); }
	popupwin = open('', 'popupwin', 'scrollbars=yes,resizable=yes,width=640,height=500');
}


function popupphotos() {
	if(popupwin) { popupwin.close(); }
	popupwin = open('', 'popupwin', 'scrollbars=yes,resizable=yes,width=700,height=700');
}