window.onload = function() { 
	if(byId('location') != null) {
		populateStateSelectors();
	}
	if(location.hash == '#e1') {
		byId('email_success_message').innerHTML = 'The selected search results have been emailed.';
		byId('email_success_message').style.display = 'block';
		tmr = setTimeout('hideEmailSuccessMessage()', 2000);
	} else if(location.hash == '#e0') {
		byId('email_success_message').innerHTML = 'The results could not be emailed. Sorry for the inconvenience.';
		byId('email_success_message').style.display = 'block';
		tmr = setTimeout('hideEmailSuccessMessage()', 2000);
	} else {
		if(byId('email_success_message') !== null) {
			byId('email_success_message').innerHTML = '';
			byId('email_success_message').style.display = 'none';
		}
	}
	MM_preloadImages('images/nav_home_hover.gif','images/nav_scholarship_hover.gif','images/nav_about_hover.gif','images/nav_disclaimer_hover.gif','images/nav_contact_hover.gif');
};

/**
 * This is used for timed events
 */
var tmr = 0;

/**
 * Get domain reference
 */
var baseUrl = location.protocol + "//" + location.hostname;

// ==========================================================
// AJAX STUFF -- XML-RPC
// ==========================================================
/**
 * Global XMLHTTP object variable
 */
var xhr = '';

/**
 * Simple xmlHttpRequest Object creator
 */
function createXMLHttpRequest() {
	// this will now be picked up with versions of IE(?7) also
	if(window.XMLHttpRequest) {
		return new XMLHttpRequest(); // gecko-based browsers
	} else if(window.ActiveXObject) {
		try {
			return new ActiveXObject("Msxml2.XMLHTTP"); // new ms xml object
		} catch(e) {
			return new ActiveXObject("Microsoft.XMLHTTP"); // old ms xml object
		}
	}
}

/** 
 * Added for new language selector
 */
var enSearchPage = "directory.htm";
var esSearchPage = "directory.es.htm";

function switchLanguage(el) {
	// We only deal with it if its current state is UP
	if(el.src.indexOf('up') !== -1) {
		// Find which button they clicked
		if(el.id == 'btnLangES') {
			location.href = esSearchPage;
		} else {
			location.href = enSearchPage;
		}
	}
}

/** 
 * Added for location selectors to read from an XML doc
 */
var xmlStates = "/includes/us_states.xml";
function populateStateSelectors() {
	xhr = createXMLHttpRequest();
	xhr.onreadystatechange = function() {
		if(xhr.readyState == 4) {
			var sel_1 = byId('location');
			var sel_2 = byId('selectState');
			var d = xhr.responseXML.documentElement;
			var states = d.getElementsByTagName('state');
			for(var i = 0; i < states.length; i ++) {
				var state = states[i].getElementsByTagName('name')[0].firstChild.data;
				var opt_1 = new Option(state, state, false, false);
				var opt_2 = new Option(state, state, false, false);
				sel_1.options[sel_1.options.length] = opt_1;
				sel_2.options[sel_2.options.length] = opt_2;
			}
			xhr = null;
		}
	};
	xhr.open('GET', xmlStates);
	xhr.send(null);
}

function checkResident(sel) {
	if(sel[sel.selectedIndex].value == 1) {
		var sel = byId('residency');
		for(var i = 0; i < sel.length; i ++) {
			if(sel[i].value == 'resident') {
				sel.selectedIndex = i;
				break;
			}
		}
	}
}

function hideEmailSuccessMessage(x) {
	if(typeof x == 'undefined' || x == null) {
		x = 20;
	}
	x = x - 2;
	
	if(x > 0) {
		byId('email_success_message').style.height = x + 'px';
		tmr = setTimeout('hideEmailSuccessMessage(' + x + ')', x * 5);
	} else {
		clearTimeout(tmr);
		byId('email_success_message').style.display = 'none';
	}
}

/**
 * This is simply to shorten typing
 * @param id The id of the element to return
 * @return The element object if it exists
 */
function byId(id) {
	return document.getElementById(id);
}


//==========================================================
// Image rollover effects and loaders
//==========================================================
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}