function imgOver(imgName){ 
	document[imgName].src = eval(imgName + "_over.src"); 
}

function imgOff(imgName){ 
	document[imgName].src = eval(imgName + "_off.src"); 
}

function Countdown() {
var date = new Date("October 17, 2008");
var description = "";
var now = new Date();
var diff = date.getTime() - now.getTime();
var days = Math.floor(diff / (1000 * 60 * 60 * 24));
if (days > 0) {
document.write(days+1);
}
else if (days == 0) {
document.write(days+1);
}
else {
document.write(description);
}
}

function archiveMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function PopUp(url){
	newWin = window.open( url, "project", "toolbar=no,locatiover=no,directories=no,status=no,menubar=no,scrollbars=auto,resize=no,width=440,height=370");
}

monName = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December")
now = new Date

register_off = new Image();
register_off.src = "images/nav_register.gif";

register_over = new Image();
register_over.src = "images/nav_register_f2.gif";

program_off = new Image();
program_off.src = "images/nav_program.gif";

program_over = new Image();
program_over.src = "images/nav_program_f2.gif";

speakers_off = new Image();
speakers_off.src = "images/nav_speakers.gif";

speakers_over = new Image();
speakers_over.src = "images/nav_speakers_f2.gif";

sponsors_off = new Image();
sponsors_off.src = "images/nav_sponsors.gif";

sponsors_over = new Image();
sponsors_over.src = "images/nav_sponsors_f2.gif";

hotels_off = new Image();
hotels_off.src = "images/nav_hotels.gif";

hotels_over = new Image();
hotels_over.src = "images/nav_hotels_f2.gif";

chicago_off = new Image();
chicago_off.src = "images/nav_chicago.gif";

chicago_over = new Image();
chicago_over.src = "images/nav_chicago_f2.gif";

attending_off = new Image();
attending_off.src = "images/nav_attending.gif";

attending_over = new Image();
attending_over.src = "images/nav_attending_f2.gif";

international_off = new Image();
international_off.src = "images/nav_international.gif";

international_over = new Image();
international_over.src = "images/nav_international_f2.gif";