//rollover functions
<!--Ê

var menuObject;
var menuObjectOpen;
var objectIdOld;

function menuVisible(objectId){
	menuObject = getStyleObject(objectId);
	if(menuObject) {
		if (menuObject == menuObjectOpen){
			// clicked on open menu, so close open menu
			menuObjectOpen.visibility = 'hidden';
			menuObjectOpen = 0;
		} else if (menuObjectOpen){
			// click on closed object and a menu is open. 
			// close the open menu and open the new one:
			menuObjectOpen.visibility = 'hidden';
			menuObject.visibility = 'visible';
			menuObjectOpen = menuObject;
		} else {
			// nothing open
			menuObject.visibility = 'visible';
			menuObjectOpen = menuObject;
		}
		return true;
    } else {
		// we couldn't find the object, so we can't change its visibility
		return false;
    }
}

function menuItemClick(navId, itemId){
	// close menu
	menuVisible('menu'+(navId+1));
	// go to url
	self.location = url2[navId][itemId];
}


function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won't find nested layers
		return document.layers[objectId];
    } else {
		return false;
    }
}

//titles for drop down menus

var nav1 = new Array(
"research",
"writing",
"exhibitions",
"teaching",
"events",
"contact"
)

//content for drop down menus

var nav2 = new Array();
var url2 = new Array();

nav2[0] = new Array(
	"New Dynamics of Aging (URL)",
	"Material Beliefs (URL)",
	"Home Health Horoscope (URL)",
	"Equator - Curious Home (URL)",
	"Media Mediators (URL)",
	"Weather Watchers (more)",
	"Biojewellery (URL)",
	"Life Event (more)",
	"Cuckoo IP (more)"
)
url2[0] = new Array(
	"http://http://www.gold.ac.uk/interaction/",
	"http://www.materialbeliefs.com",
	"http://www.gold.ac.uk/interaction/portfolio/",
	"http://www.gold.ac.uk/interaction/portfolio/",
	"http://www.mediamediators.blogspot.com/",	
	"/php/research/ww.php",
	"http://www.biojewellery.com",
	"/php/research/life-event.php",
	"/php/research/cuckoo-ip.php"
)


nav2[1] = new Array(
	"Risky Entanglements - Open labs (pdf)",
	"Designing speculatively with biotech - paper (pdf)",
	"Material Beliefs - book (pdf)",
	"Anatomy of a failure - paper (URL)",
	"Open labs, speculative design - paper (pdf)",
	"Home Health - paper (pdf)",
	"Threshold devices - paper (URL)",
	"Domestic Networks - paper (pdf)",
	"Biojewellery - booklet (pdf)",
	"Media Mediators - report (pdf)",
	"Weather Watchers - paper (pdf)",
	"Weather Watchers - report (pdf)",
	"Foolish Technology - dissertation (pdf)"
)
url2[1] = new Array(
	"/php/"+nav1[1]+"/pdf/open-labs-paper.pdf",
	"/php/"+nav1[1]+"/pdf/Does%20Speculative%20Design%20contribute%20to%20Public%20Understanding%20of.pdf",
	"http://www.materialbeliefs.com/pdfs/materialbeliefs-book.pdf",
	"http://portal.acm.org/citation.cfm?id=1519040",
	"/php/"+nav1[1]+"/pdf/TouchMe2008-Material-Beliefs.pdf",
	"/php/"+nav1[1]+"/pdf/hhhoroscope_submit.pdf",
	"http://portal.acm.org/citation.cfm?id=1357278",
	"/php/"+nav1[1]+"/pdf/movement-networks-DesForm2006.pdf",
	"http://www.materialbeliefs.com/biojewellery/pickup/biojewellery-booklet.pdf",
	"/php/"+nav1[1]+"/pdf/media-mediators.pdf",
	"/php/"+nav1[1]+"/pdf/ww-home-cultures.pdf",
	"/php/"+nav1[1]+"/pdf/weather-watchers.pdf",
	"/php/"+nav1[1]+"/pdf/foolish_technology.pdf"
)


nav2[2] = new Array(
	"Design Attack (URL)",
	"Transnatural (URL)",
	"WHAT IF... (URL)",
	"Touch Me Festival (URL)",
	"Nowhere/Now/Here (URL)",
	"Crossing Over (URL)",
	"Design + Emotion (URL)",
	"Design and the Elastic Mind (URL)",
	"Our Cyborg Future (URL)",
	"NextFest (URL)",
	"Curious Home (URL)",
	"Biojewellery (URL)",
	"ENTRY 2006 (URL)",
	"PopNoir (URL)",
	"How Did I Get Here? (URL)",
	"Transmediale.04 (URL)",
	"Detour",
	"Exhibit3 (URL)",
	"The Show 2, RCA 2003 (URL)"
)
url2[2] = new Array(
	"http://www.designattack.pl",
	"http://www.multiplexart.nl/page/program-1",
	"http://www.sciencegallery.com/whatif",
	"http://www.kontejner.org/touch-me-festival-2008-english",
	"http://www.laboralcentrodearte.org/en/473-nowhere-now-here",
	"http://www.rigb.org/contentControl?action=displayContent&id=2419",
	"http://www.landesmuseum.de/website/English/Temporary_exhibitions_in_Karlsruhe/Previous_exhibitions/Design_Emotion.htm",	
	"http://www.moma.org/interactives/exhibitions/2008/elasticmind/",
	"http://www.dott07.com/go/cyborg",
	"http://www.wirednextfest.com/",
	"http://www.equator.ac.uk/index.php/articles/c109",
	"http://www.materialbeliefs.com/biojewellery/project6.html",
	"http://www.entry2006.com/",
	"http://www.netbehaviour.org/pipermail/netbehaviour/20050518/000024.html",
	"http://www.transmediale.de/",
	"",
	"http://www.thedigitalhubexhibit.com/?q=events",
	"http://web.rca.ac.uk/show2003/"
	
)
nav2[3] = new Array(
	"Goldsmiths - BA techical workshops (URL)",
	"Goldsmiths - MA in Critical Practice (URL)",
	"Goldsmiths - MA in Design & Environment (URL)",
	"Central St Martins - Industrial Design MA (URL)",
	"RCA - Design Interactions MA (URL)",
	"Edinburgh College of Art - Product Design BA (URL)",
	"TU/e - Industrial Design MA (URL)"
)
url2[3] = new Array(
	"http://interactionworkshop.pbworks.com/",
	"http://www.gold.ac.uk/pg/ma-design-critical-practice/",
	"http://designandenvironment.blogspot.com/",
	"http://www.maindustrialdesign.com/",
	"http://www.interaction.rca.ac.uk/",
	"http://www.eca.ac.uk/index.php?id=229",
	"http://w3.id.tue.nl/en/"
)

nav2[4] = new Array(
	"Speculative Objects - EASST 2010 (URL)",
	"Design Authority - DIS 2010 (URL)",
	"The object of experience (URL)",
	"Risky Entanglements (URL)",
	"The Design Group Seminar Series (URL)",
	"Models of Change (PDF)",
	"Design as a Medium for Inquiry (URL)",
	"STEG Kings College London (PDF)",
	"Transnatural (URL)",
	"The objects of design and social science (PDF)",
	"TWEAK festival (URL)",
	"ISEA 2009 (URL)",
	"Across the divide (URL)",
	"Science and the public (URL)",
	"Science and the nation (URL)",
	"ECA lecture (URL)",
	"SIDeR '09 (URL)",
	"Is design good for you? (URL)",
	"CSM M/A/I/D (URL)",
	"Garage Science (URL)",
	"Critical Practice (URL)",
	"BioPlay (URL)",
	"Fusing science and art (URL)",
	"The Role of the Arts in Democratic Policy Making (URL)",
	"The Future Object 2008 (URL)",
	"Bioengineering public interviews (URL)",
	"Secret Garden Party Festival (URL)",
	"My Space, My City, My World (URL)",
	"Techno Bodies; Hybrid Life? (URL)",
	"Our Future Human Body? (URL)",
	"Niave Polyglots (URL)",
	"BioBling (URL)",
	"(Un)common ground - Scale and Intimacy (URL)",
	"Fleshing Out (URL)",
	"CCASE-NET (URL)",
	"Carry the Can (URL)",
	"Ideas Factory (URL)",
	"Next Nature (URL)",
	"EPSRC Engagement Workshop (URL)",
	"Domestic Encounters (URL)"
)
url2[4] = new Array(
	"http://www.materialbeliefs.com/diary/2010/01/20/easst-2010/",
	"http://www.criticalmaking.com/tracingdesignedauthority/?page_id=2",
	"http://ais4architecture.co.uk/?p=2246",
	"http://sciencestudies.univie.ac.at/en/events/conference2010/",
	"http://design.open.ac.uk/the_department/SeminarArchive.htm",
	"/php/"+nav1[4]+"/pdf/Seminar4-Modelling_and_Society.pdf",
	"http://dialoguesindesign.wordpress.com/2010/02/16/next-session-design-as-a-medium-tuesday-2nd-march/",
	"/php/"+nav1[4]+"/pdf/STEGSpringSummer2010FlierFinal.pdf",
	"http://www.multiplexart.nl/page/symposium-2",
	"http://www.materialbeliefs.com/pdfs/The-objects-of-design-and-social-science.pdf",
	"http://www.tweak.ie/2009/index.html",
	"http://www.isea2009.org",
	"http://www.falmouth.ac.uk/379/learning-and-teaching-22.html",
	"http://www.brighton.ac.uk/sass/research/conferences/scienceandpublic.php",
	"http://www.materialbeliefs.com/diary/2009/05/23/science-and-the-nation-at-event/",	
	"http://www.eca.ac.uk/index.php?id=229",
	"http://www.flirtingwiththefuture.com/index.php?page=info",
	"http://www.adm.heacademy.ac.uk/events/is-design-good-for-you-interdisciplinary-aproaches-to-learning-and-teaching-in-art-design-and-health",
	"http://www.maindustrialdesign.com/archive/",
	"http://medialab-prado.es/article/programa_del_seminario_interactivos09_ciencia_de_garaje",
	"http://www.gold.ac.uk/pg/ma-design-critical-practice/",
	"http://www.danacentre.org.uk/events/2008/10/28/446",
	"http://www.rigb.org/contentControl?action=displayContent&id=2278",
	"http://www.bioethics.ac.uk/index.php?do=pastevents&act=event&e=150",
	"http://www.materialbeliefs.com/diary/2008/09/09/thinktank-the-future-object/",	
	"http://www.materialbeliefs.com/diary/2008/09/09/natural-history-at-selfridges/",
	"http://guerillascience.co.uk/page/index.php?id=73&lang=1",
	"http://www.ignitefutures.org.uk/ignite-projects/steven-lawrence/",
	"http://www.danacentre.org.uk/events/2008/01/22/354",
	"http://www.ncl.ac.uk/peals/news/events/item/Cafe-Scientifique-Our-Future-Human-Body-",
	"http://www.gold.ac.uk/csisp/events/2007-2008/",
	"http://www.danacentre.org.uk/events/2006/01/18/70",
	"http://www.picnicnetwork.org/page/5678/en",
	"http://www.v2.nl/events/test_lab-fleshing-out/view",	
	"http://www.leeds.ac.uk/ccase-net/event6.htm",
	"http://www.carrythecan.org/",
	"http://www.epsrc.ac.uk/ResearchFunding/Opportunities/Networking/IDEASFactory/default.htm",
	"http://www.nextnature.net/?p=877",
	"http://www.epsrc.ac.uk/Events/ICTPublicEngagementWorkshopBristol",
	"http://csdi.rca.ac.uk/pgprogramme2.html"
)

nav2[5] = new Array(
	"CV (pdf)"
)
url2[5] = new Array(
	"/php/"+nav1[5]+"/pdf/Tobie-Kerridge-CV-2010.pdf"
)
-->