
<!-- hide script from old browsers

//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) browserVer = "1";
else browserVer = "2";

//preload images:
if (browserVer == 1) {
home_link_on = new Image(107,36);
home_link_on.src = "images/home_link_on.jpg";
home_link_off = new Image(107,36);
home_link_off.src = "images/home_link_off.jpg";

letter_link_off = new Image(107,36);
letter_link_off.src = "images/letter_link_off.jpg";
letter_link_on = new Image(107,36);
letter_link_on.src = "images/letter_link_on.jpg";

acm_link_off = new Image(107,36);
acm_link_off.src = "images/acm_link_off.jpg";
acm_link_on = new Image(107,36);
acm_link_on.src = "images/acm_link_on.jpg";

across_link_off = new Image(107,36);
across_link_off.src = "images/across_link_off.jpg";
across_link_on = new Image(107,36);
across_link_on.src = "images/across_link_on.jpg";


overview_link_off = new Image(107,36);
overview_link_off.src = "images/overview_link_off.jpg";
overview_link_on = new Image(107,36);
overview_link_on.src = "images/overview_link_on.jpg";

organizers_link_off = new Image(107,36);
organizers_link_off.src = "images/organizers_link_off.jpg";
organizers_link_on = new Image(107,36);
organizers_link_on.src = "images/organizers_link_on.jpg";


sponsors_link_off = new Image(107,36);
sponsors_link_off.src = "images/sponsors_link_off.jpg";
sponsors_link_on = new Image(107,36);
sponsors_link_on.src = "images/sponsors_link_on.jpg";


songs_link_off = new Image(107,36);
songs_link_off.src = "images/songs_link_off.jpg";
songs_link_on = new Image(107,36);
songs_link_on.src = "images/songs_link_on.jpg";


tickets_link_off = new Image(107,36);
tickets_link_off.src = "images/tickets_link_off.jpg";
tickets_link_on = new Image(107,36);
tickets_link_on.src = "images/tickets_link_on.jpg";


contactus_link_off = new Image(107,36);
contactus_link_off.src = "images/contactus_link_off.jpg";
contactus_link_on = new Image(107,36);
contactus_link_on.src = "images/contactus_link_on.jpg";


acm_off = new Image(107,36);
acm_off.src = "logo/acm_off.jpg";
acm_on = new Image(107,36);
acm_on.src = "logo/acm_on.jpg";

across_off = new Image(107,36);
across_off.src = "logo/across_off.jpg";
across_on = new Image(107,36);
across_on.src = "logo/across_on.jpg";

rhccc_off = new Image(107,36);
rhccc_off.src = "logo/rhccc_off.jpg";
rhccc_on = new Image(107,36);
rhccc_on.src = "logo/rhccc_on.jpg";

lbc_off = new Image(107,36);
lbc_off.src = "logo/lbc_off.jpg";
lbc_on = new Image(107,36);
lbc_on.src = "logo/lbc_on.jpg";

etcbc_off = new Image(107,36);
etcbc_off.src = "logo/etcbc_off.jpg";
etcbc_on = new Image(107,36);
etcbc_on.src = "logo/etcbc_on.jpg";

afc_off = new Image(107,36);
afc_off.src = "logo/afc_off.jpg";
afc_on = new Image(107,36);
afc_on.src = "logo/afc_on.jpg";

ccic_off = new Image(107,36);
ccic_off.src = "logo/ccic_off.jpg";
ccic_on = new Image(107,36);
ccic_on.src = "logo/ccic_on.jpg";


pictures_link_off = new Image(107,36);
pictures_link_off.src = "images/pictures_link_off.jpg";
pictures_link_on = new Image(107,36);
pictures_link_on.src = "images/pictures_link_on.jpg";

facebook_link_off = new Image(107,36);
facebook_link_off.src = "images/facebook_link_off.jpg";
facebook_link_on = new Image(107,36);
facebook_link_on.src = "images/facebook_link_on.jpg";

helpers_link_off = new Image(107,36);
helpers_link_off.src = "images/helpers_link_off.jpg";
helpers_link_on = new Image(107,36);
helpers_link_on.src = "images/helpers_link_on.jpg";

synopsis_link_off = new Image(107,36);
synopsis_link_off.src = "images/synopsis_link_off.jpg";
synopsis_link_on = new Image(107,36);
synopsis_link_on.src = "images/synopsis_link_on.jpg";

transportation_link_off = new Image(107,36);
transportation_link_off.src = "images/transportation_link_off.jpg";
transportation_link_on = new Image(107,36);
transportation_link_on.src = "images/transportation_link_on.jpg";
}

//image swapping function:
function hiLite(imgDocID, imgObjName, comment) {
	if (browserVer == 1) {
		document.images[imgDocID].src = eval(imgObjName + ".src");
		window.status = comment; return true;
	}
}

function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
	href=mylink;
else
	href=mylink.href;
	window.open(href, windowname, '');
return false;
}

function checkform ( form )
{
  // ** START **
  if (form.name.value == "") {
    alert( "Please enter your name. Thank you." );
    form.name.focus();
    return false ;
  }
  if (form.email.value == "") {
    alert( "Please enter your email address.  Thank you." );
    form.email.focus();
    return false ;

  }
  if (form.data.value == "") {
    alert( "Please enter your comments.  Thank you." );
    form.data.focus();
    return false ;
  }
  // ** END **
  return true ;
}
//end hiding -->