var pageOK = false;
var current_menu = '';
var countdown;

function initpage() {
  pageOK = true;
  if (document.images) {
    preloadsrc101 = new Image(196,26); preloadsrc101.src = '/new/images/about-on.gif';
    preloadsrc102 = new Image(196,23); preloadsrc102.src = '/new/images/about_02-on.gif';
    preloadsrc103 = new Image(196,23); preloadsrc103.src = '/new/images/about_03-on.gif';
    preloadsrc104 = new Image(196,23); preloadsrc104.src = '/new/images/about_04-on.gif';
    preloadsrc105 = new Image(196,23); preloadsrc105.src = '/new/images/about_05-on.gif';
    preloadsrc106 = new Image(196,23); preloadsrc106.src = '/new/images/about_06-on.gif';
    preloadsrc107 = new Image(196,23); preloadsrc107.src = '/new/images/about_07-on.gif';

    preloadsrc201 = new Image(197,26); preloadsrc201.src = '/new/images/academic-on.gif';
    preloadsrc202 = new Image(196,23); preloadsrc202.src = '/new/images/academic_02-on.gif';
    preloadsrc203 = new Image(196,23); preloadsrc203.src = '/new/images/academic_03-on.gif';
    preloadsrc204 = new Image(196,23); preloadsrc204.src = '/new/images/academic_04-on.gif';
    preloadsrc205 = new Image(196,23); preloadsrc205.src = '/new/images/academic_05-on.gif';
    preloadsrc206 = new Image(196,23); preloadsrc206.src = '/new/images/academic_06-on.gif';
    preloadsrc207 = new Image(196,23); preloadsrc207.src = '/new/images/academic_07-on.gif';
    preloadsrc208 = new Image(196,23); preloadsrc208.src = '/new/images/academic_08-on.gif';
    preloadsrc209 = new Image(196,23); preloadsrc209.src = '/new/images/academic_09-on.gif';
    preloadsrc210 = new Image(196,23); preloadsrc210.src = '/new/images/academic_10-on.gif';

    preloadsrc301 = new Image(195,26); preloadsrc301.src = '/new/images/attending-on.gif';
    preloadsrc302 = new Image(196,23); preloadsrc302.src = '/new/images/attending_02-on.gif';
    preloadsrc303 = new Image(196,23); preloadsrc303.src = '/new/images/attending_03-on.gif';
  }
}



if (document.images) {  

	image1off = new Image();  
	image1off.src = "/new/images/top_01.gif";  
	image1on = new Image();  
	image1on.src = "/new/images/top_01-over.gif";
	
	image2off = new Image();  
	image2off.src = "/new/images/top_02.gif";
	image2on = new Image();  
	image2on.src = "/new/images/top_02-over.gif";
	
	image3off = new Image();  
	image3off.src = "/new/images/top_03.gif";
	image3on = new Image();  
	image3on.src = "/new/images/top_03-over.gif";
	
	image4off = new Image();  
	image4off.src = "/new/images/top_04.gif";
	image4on = new Image();  
	image4on.src = "/new/images/top_04-over.gif";
	
	image5off = new Image();  
	image5off.src = "/new/images/top_05.gif";
	image5on = new Image();  
	image5on.src = "/new/images/top_05-over.gif";
	
	image6off = new Image();  
	image6off.src = "/new/images/top_06.gif";
	image6on = new Image();  
	image6on.src = "/new/images/top_06-over.gif";
	
	image7off = new Image();  
	image7off.src = "/new/images/morenews_01.gif";
	image7on = new Image();  
	image7on.src = "/new/images/morenews_01-over.gif";
	
	image8off = new Image();  
	image8off.src = "/new/images/moreevents_01.gif";
	image8on = new Image();  
	image8on.src = "/new/images/moreevents_01-over.gif";
	
	image9off = new Image();  
	image9off.src = "/new/images/backtonews.gif";
	image9on = new Image();  
	image9on.src = "/new/images/backtonews-over.gif";
	
	image10off = new Image();  
	image10off.src = "/new/images/button_morenews.gif";
	image10on = new Image();  
	image10on.src = "/new/images/button_morenews-over.gif";
	
	image11off = new Image();  
	image11off.src = "/new/images/morefeatured.gif";
	image11on = new Image();  
	image11on.src = "/new/images/morefeatured-over.gif";	
	
	image12off = new Image();  
	image12off.src = "/new/images/morenews_01.gif";
	image12on = new Image();  
	image12on.src = "/new/images/morenews_01-over.gif";	
	
	image13off = new Image();  
	image13off.src = "/new/images/button_letter.gif";
	image13on = new Image();  
	image13on.src = "/new/images/button_letter-over.gif";	
	
	image14off = new Image();  
	image14off.src = "/new/images/backtoprof.gif";
	image14on = new Image();  
	image14on.src = "/new/images/backtoprof-over.gif";
	
	image15off = new Image();  
	image15off.src = "/new/images/prev.gif";
	image15on = new Image();  
	image15on.src = "/new/images/prev-over.gif";
	
	image16off = new Image();  
	image16off.src = "/new/images/next.gif";
	image16on = new Image();  
	image16on.src = "/new/images/next-over.gif";
	
	image17off = new Image();  
	image17off.src = "/new/images/backtoport.gif";
	image17on = new Image();  
	image17on.src = "/new/images/backtoport-over.gif";
	
}


function turnOn(imageName) {  
	if (document.images) {    
		document[imageName].src = eval(imageName + "on.src");  
	}
}

function turnOff(imageName) {  
	if (document.images) {    
		document[imageName].src = eval(imageName + "off.src");  
	}
}

function navRollOn(menu,submenu) {
  imgRoll(submenu,submenu+'-on.gif');
  lockMenu();
  if (menu != current_menu) {
    if (current_menu != '') {
      navRollClear();
    }
    current_menu = menu;
    divPoof(current_menu,'visible');
  }
}


function navRollOff(submenu) {
if (submenu.indexOf('_') != -1) {
imgRoll(submenu,submenu+'-off.gif');
}
countdown = setTimeout("navRollClear()",500);
}


function navRollClear() {
divPoof(current_menu,'hidden');
var tmpImgName = current_menu.substring(3,current_menu.length);
imgRoll(tmpImgName,tmpImgName+'-off.gif');
current_menu = '';
}

function lockMenu() {
  clearTimeout(countdown);
}

function imgRoll(imgID,source) {
  if (pageOK && document.images) {
    document.images[imgID].src = '/new/images/' + source;
  }
}

function divPoof(divname,state) {
  if (document.layers) {
    document.layers[divname].visibility = state;
  }
  else {
    if (document.all) {
      document.all[divname].style.visibility = state;
    }
    if (document.getElementById(divname)) {
      document.getElementById(divname).style.visibility = state;
    }
  }
}