<!-- // // PHP rollover script // // -->


if(document.images) {


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

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

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


programoff = new Image();
programoff.src = "images/button.program.gif";

programover = new Image();
programover.src = "images/button.program-over.gif";

programon = new Image();
programon.src = "images/button.program-down.gif";


speakersoff = new Image();
speakersoff.src = "images/button.speakers.gif";

speakersover = new Image();
speakersover.src = "images/button.speakers-over.gif";

speakerson = new Image();
speakerson.src = "images/button.speakers-down.gif";


venueoff = new Image();
venueoff.src = "images/button.venue.gif";

venueover = new Image();
venueover.src = "images/button.venue-over.gif";

venueon = new Image();
venueon.src = "images/button.venue-down.gif";


sponsorsoff = new Image();
sponsorsoff.src = "images/button.sponsors.gif";

sponsorsover = new Image();
sponsorsover.src = "images/button.sponsors-over.gif";

sponsorson = new Image();
sponsorson.src = "images/button.sponsors-down.gif";


contactusoff = new Image();
contactusoff.src = "images/button.contactus.gif";

contactusover = new Image();
contactusover.src = "images/button.contactus-over.gif";

contactuson = new Image();
contactuson.src = "images/button.contactus-down.gif";


}


function setOn(buttonname) {
if (document.images) {
	changeImages("home","homeoff") ;
	changeImages("program","programoff") ;
	changeImages("speakers","speakersoff") ;
	changeImages("venue","venueoff") ;
	changeImages("sponsors","sponsorsoff") ;
	changeImages("contactus","contactusoff") ;
	

	if (buttonname=="home") {
		top.window.menu="home" ;
		changeImages("home","homeon") ;
		}
	if (buttonname=="program") {
		top.window.menu="program" ;
		changeImages("program","programon") ;
		}
	if (buttonname=="speakers") {
		top.window.menu="speakers" ;
		changeImages("speakers","speakerson") ;
		}
	if (buttonname=="venue") {
		top.window.menu="venue" ;
		changeImages("venue","venueon") ;
		}
	if (buttonname=="sponsors") {
		top.window.menu="sponsors" ;
		changeImages("sponsors","sponsorson") ;
		}
	if (buttonname=="contactus") {
		top.window.menu="contactus" ;
		changeImages("contactus","contactuson") ;
		}
	}
 }

function outCheck(bname) {
if (document.images) {
	if (bname=="home") {
		if (top.window.menu=="home") changeImages("home","homeon") ;
		else changeImages("home","homeoff")  ;
		}
	if (bname=="program") {
		if (top.window.menu=="program") changeImages("program","programon") ;
		else changeImages("program","programoff")  ;
		}
	if (bname=="speakers") {
		if (top.window.menu=="speakers") changeImages("speakers","speakerson") ;
		else changeImages("speakers","speakersoff")  ;
		}
	if (bname=="venue") {
		if (top.window.menu=="venue") changeImages("venue","venueon") ;
		else changeImages("venue","venueoff")  ;
		}
	if (bname=="sponsors") {
		if (top.window.menu=="sponsors") changeImages("sponsors","sponsorson") ;
		else changeImages("sponsors","sponsorsoff")  ;
		}
	if (bname=="contactus") {
		if (top.window.menu=="contactus") changeImages("contactus","contactuson") ;
		else changeImages("contactus","contactusoff")  ;
		}
	}
}


function overCheck(bname) {
if (document.images) {
	if (bname=="home") {
		if (top.window.menu=="home") changeImages("home","homeon") ;
		else changeImages("home","homeover")  ;
		}
	if (bname=="program") {
		if (top.window.menu=="program") changeImages("program","programon") ;
		else changeImages("program","programover")  ;
		}
	if (bname=="speakers") {
		if (top.window.menu=="speakers") changeImages("speakers","speakerson") ;
		else changeImages("speakers","speakersover")  ;
		}
	if (bname=="venue") {
		if (top.window.menu=="venue") changeImages("venue","venueon") ;
		else changeImages("venue","venueover")  ;
		}
	if (bname=="sponsors") {
		if (top.window.menu=="sponsors") changeImages("sponsors","sponsorson") ;
		else changeImages("sponsors","sponsorsover")  ;
		}
	if (bname=="contactus") {
		if (top.window.menu=="contactus") changeImages("contactus","contactuson") ;
		else changeImages("contactus","contactusover")  ;
		}
	}
}

									
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 + "'>";
}

function emailLink(emailFront,emailBack) {
	return "mailto:" + emailFront + "@" + emailBack;
}