function activateSearch() {
    if ($('searchform')) {
        $('s').value = 'Start Your Search...'; // Default text in the search box
        var o = document.createElement('div'); // Old search results div
        var n = document.createElement('div'); // New search results div
        $('searchform').onsubmit = function() { doSearch();return false; };
        $('s').onfocus = focusS; // Function to clear the default search box text on focus
        var s = $('search-results');
        var f = $('searchform');
        o.id = 'old-search-results';
        n.id = 'current-search-results';
        s.appendChild(n);
        s.appendChild(o);
        o.style.display = 'none';
        n.style.display = 'none';
        is_searching = false;
    }
}

function doSearch() {
    // If we're already loading, don't do anything
    if (is_searching) return false; 
    s = $F('s');
    // Same if the search is blank
    if (s == '' || s == 'Start Your Search...') return false; 
    is_searching = true;
    c = $('current-search-results');
    o = $('old-search-results');
    b = $('searchbutton');
    b.value = ''; //Loading 
    b.disabled = true;
    o.innerHTML = c.innerHTML;
    c.style.display = 'none';
    o.style.display = 'block';
    // Setup the parameters and make the ajax call
    pars = 's=' + escape(s) + '&ajax';
    var myAjax = new Ajax.Request('http://calpolyshse.org', 
          {method: 'get', parameters: pars, onComplete:doSearchResponse});
}

function doSearchResponse(response) {
    $('current-search-results').innerHTML = response.responseText;
    new Effect.BlindUp('old-search-results',{duration:.8});
    new Effect.BlindDown('current-search-results',{duration:.8, afterFinish:resetForm});
}

function resetForm() {
    s = $('searchbutton');
    s.value = '';
    s.disabled = false;
    is_searching = false;
}

function focusS() {
    if ($F('s') == 'Start Your Search...') $('s').value = '';
}

Event.observe(window, 'load', activateSearch, false);

//Drop-Down Menu
// This function is used for the Suckerfish (flyout) menus

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);



// menuExpandable.js - implements an expandable menu based on a HTML list
// Author: Dave Lindquist (http://www.gazingus.org)

if (!document.getElementById)
    document.getElementById = function() { return null; }

function initializeMenu(menuId, actuatorId) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);

    if (menu == null || actuator == null) return;

    //if (window.opera) return; // I'm too tired

   actuator.parentNode.style.background = "url(../img/arrow-down-sm.gif) 90% 10px no-repeat";
    actuator.onclick = function() {
        var display = menu.style.display;
        this.parentNode.style.background =
            (display == "block") ? "url(../img/arrow-down-sm.gif) 90% 10px no-repeat" : "url(../img/arrow-up-sm.gif) 90% 10px no-repeat";
        menu.style.background = "url(/images/square.gif)";
        menu.style.display = (display == "block") ? "none" : "block";

        return false;
    }
}


// Preload images

function Preload() {
 	var args = simplePreload.arguments;
	document.imageArray = new Array(args.length);
	for(var i=0; i<args.length; i++) {
		document.imageArray[i] = new Image;
		document.imageArray[i].src = args[i];
	}
   }