function get_random_number() {
randy = new String(Math.random());
re = /^.([0-9]{5}).*/;
re2 = /^0.([0-9]{5}).*/;
randy2 = randy.replace(re, "$1");
randy3 = randy2.replace(re2, "$1");
return randy3;
}
// --
function popup_window(source, height, width) {
random_number = get_random_number();
source_script = new String(source);
popup_script = source;
var popup = window.open(popup_script, 'popup' + random_number, "toolbar=no,location=no,status=no,directories=no,menubar=yes,scrollbars=yes,resizable,screenX=200,screenY=120,width=" + width + ",height=" + height );
popup.focus();
}
// --
function opener_link(page) {
window.opener.location = page;
this.window.close();
}
// --
function courses_picklist(widget) {
sel_idx = eval( 'document.nav.' + widget + '.selectedIndex' );
sel_value = eval('document.nav.' + widget + '.options[sel_idx].value');
bounce_url = '/cgi-bin/courses/index.cgi?term=' + document.nav.term.value;
no_space = sel_value.toString();
re = / /g;
sel_value = no_space.replace(re, "%20");
if ( widget == 'department' ) {
bounce_url = bounce_url + '&department=' + sel_value;
}
if ( widget == 'unit_type' ) {
bounce_url = bounce_url + '&unit_type=' + sel_value;
}
if ( widget == 'faculty_id' ) {
bounce_url = bounce_url + '&faculty_id=' + sel_value;
}
if ( widget == 'new_term' ) {
bounce_url = '/cgi-bin/courses/index.cgi?term=' + sel_value;
}
document.location = bounce_url;
return;
}
function picklist_nav(form_name, here, key, query_string ) {
var item_index;
var item_value;
var url;
if ( query_string == '' ) {
// -- defining query string outside of handler
url = here + "&" + query_string;
}
else {
item_index = eval("document." + form_name + "." + key + ".selectedIndex");
item_value = eval("document." + form_name + "." + key + "[" + item_index + "].value");
url = here + "&" + key + "=" + item_value;
}
top.location = url;
}
// -- used for multilevel subnavs
function flip(id) {
var e = document.getElementById(id);
var i = document.getElementById("t_" + id);
if (!(e && i)) { return false; }
if (e.style && e.style.display != "none") {
e.style.display = "none";
i.src = "/images/plus.gif";
}
else if (e.style) {
e.style.display = "block";
i.src = "/images/minus.gif";
}
else {
return true;
}
}
// used for vertical scrolling home text news boxes on home page
/***********************************************
* Pausing up-down scroller- (C) Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
function pausescroller(content, divId, divClass, delay){
this.content=content //message array content
this.tickerid=divId //ID of ticker div to display information
this.delay=delay //Delay between msg change, in miliseconds.
this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
this.hiddendivpointer=1 //index of message array for hidden div
document.write('
'+content[0]+'
'+content[1]+'
')
var scrollerinstance=this
if (window.addEventListener) //run onload in DOM2 browsers
window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
else if (window.attachEvent) //run onload in IE5.5+
window.attachEvent("onload", function(){scrollerinstance.initialize()})
else if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
setTimeout(function(){scrollerinstance.initialize()}, 500)
}
// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------
pausescroller.prototype.initialize=function(){
this.tickerdiv=document.getElementById(this.tickerid)
this.visiblediv=document.getElementById(this.tickerid+"1")
this.hiddendiv=document.getElementById(this.tickerid+"2")
this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
//set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
this.getinline(this.visiblediv, this.hiddendiv)
this.hiddendiv.style.visibility="visible"
var scrollerinstance=this
document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
if (window.attachEvent) //Clean up loose references in IE
window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
setTimeout(function(){scrollerinstance.animateup()}, this.delay)
}
// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------
pausescroller.prototype.animateup=function(){
var scrollerinstance=this
if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"px"
setTimeout(function(){scrollerinstance.animateup()}, 50)
}
else{
this.getinline(this.hiddendiv, this.visiblediv)
this.swapdivs()
setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
}
}
// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------
pausescroller.prototype.swapdivs=function(){
var tempcontainer=this.visiblediv
this.visiblediv=this.hiddendiv
this.hiddendiv=tempcontainer
}
pausescroller.prototype.getinline=function(div1, div2){
div1.style.top=this.visibledivtop+"px"
div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
}
// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's visible
// -------------------------------------------------------------------
pausescroller.prototype.setmessage=function(){
var scrollerinstance=this
if (this.mouseoverBol==1) //if mouse is currently over scoller, do nothing (pause it)
setTimeout(function(){scrollerinstance.setmessage()}, 100)
else{
var i=this.hiddendivpointer
var ceiling=this.content.length
this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
this.animateup()
}
}
pausescroller.getCSSpadding=function(tickerobj){ //get CSS padding value, if any
if (tickerobj.currentStyle)
return tickerobj.currentStyle["paddingTop"]
else if (window.getComputedStyle) //if DOM2
return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
else
return 0
}
// use suckerfish hover to get drop down menus...
// ee http://www.htmldog.com/articles/suckerfish/dropdowns/
sfHover = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
for (var i=0; i