// JavaScript Document
function init() {
	var version = "7";
	var browser=navigator.appName;
	if(navigator.appName == "Microsoft Internet Explorer") {
		var b_version=navigator.appVersion;
		version=parseFloat(b_version.substring(b_version.indexOf('MSIE')+5));
	}
	if(version > 6) {
                document.getElementById('content').style.width = document.getElementById('semi_fixed').offsetWidth - 395 + "px";
		nh = 0;
                lnh = document.getElementById('left_nav').offsetHeight;
		ch = document.getElementById('content').offsetHeight;
                rch = document.getElementById('right_column').offsetHeight;
		wh = document.body.offsetHeight - 540;
		bch = document.getElementById('banner').offsetHeight - 68;
		
		nh = lnh > ch ? lnh : ch;
		
		if(nh < wh) {
                       nh = wh;
		       document.getElementById('left_nav').style.height = nh + "px";
		       //document.getElementById('content').style.height = nh + "px";
                       
                } else {
                       //document.getElementById('content').style.height = nh + "px";
                       
                }
                if(document.getElementById('right_column')) {
                    //document.getElementById('right_column').style.height = nh + "px";
                }
		//document.getElementById('header_content').innerHTML = "left nav: "+lnh+" content: "+ch+" window: "+wh+" new height "+nh;
	}
 dist_top_nav();

}


function dist_top_nav() {
        top_nav_a = document.getElementById('top_nav').getElementsByTagName("h2");
        l = top_nav_a.length;

        for (i=0;i<l;i++) {
          if(top_nav_a[i].childNodes[0].offsetHeight < 20) {
             top_nav_a[i].childNodes[0].style.marginTop = "10px";
          } 
        } 

}

function left_menu_buttons() {
       left_nav_buttons_a = document.getElementById('left_menu_buttons').getElementsByTagName("span");
        l = left_nav_buttons_a.length;
        for (i=0;i<l;i++) {
          if(left_nav_buttons_a[i].firstChild.offsetHeight < 28) {
             left_nav_buttons_a[i].firstChild.style.paddingTop = "13px";
          } else if(left_nav_buttons_a[i].firstChild.offsetHeight < 38) {
             left_nav_buttons_a[i].firstChild.style.paddingTop = "6px";
          };
        } 
 tuition();
}

var cur_drop;
var cur_drop_side;
function show_sub(menu_obj,drop_id) {
   if(document.getElementById('drop'+cur_drop)) {
       document.getElementById('drop'+cur_drop).style.display='none';
   }
   if(document.getElementById('drop_side'+cur_drop_side)) {
		//document.getElementById('drop_side'+cur_drop_side).style.display='none';
   }
   if(document.getElementById(drop_id)) {
       offset_a = get_offset(menu_obj);
       offset_l = offset_a[0];
       document.getElementById(drop_id).style.left=(offset_l)+'px';
       document.getElementById(drop_id).style.display='block';
       document.getElementById('drops_hider').style.display='block';
       document.getElementById('drops_hider').style.height=document.getElementById(drop_id).offsetHeight + 50 + "px";
       document.getElementById('drops_hider_top').style.display='block';
       cur_drop = drop_id.substring(4);
   }
}

function show_sub_side(menu_obj,drop_id) {
	if(document.getElementById('drop_side'+cur_drop_side)) {
		document.getElementById('drop_side'+cur_drop_side).style.display='none';
	}
	if(document.getElementById(drop_id)) {
		document.getElementById(drop_id).style.display='block';
		drop_left = offset_l + document.getElementById('drop'+cur_drop).offsetWidth + document.getElementById(drop_id).offsetWidth < document.body.offsetWidth ? document.getElementById('drop'+cur_drop).offsetWidth : document.getElementById(drop_id).offsetWidth * -1;
		document.getElementById(drop_id).style.left=drop_left + "px";
		document.getElementById(drop_id).style.top=menu_obj.offsetTop - 5 + "px";
		
		document.getElementById('drops_hider').style.display='block';
		hider_height = document.getElementById(drop_id).offsetHeight + menu_obj.offsetTop + 50 > document.getElementById('drops_hider').offsetHeight ? document.getElementById(drop_id).offsetHeight + menu_obj.offsetTop + 50 : document.getElementById('drops_hider').offsetHeight;
		document.getElementById('drops_hider').style.height=hider_height + "px";
		document.getElementById('drops_hider_top').style.display='block';
		
		cur_drop_side = drop_id.substring(9);
	}
}

function hide_sub() {
 if(document.getElementById('drop_side'+cur_drop_side)) {
       document.getElementById('drop_side'+cur_drop_side).style.display='none';			 
    }
  if(document.getElementById('drop'+cur_drop)) {
       document.getElementById('drop'+cur_drop).style.display='none';
    }
  
		document.getElementById('drops_hider_top').style.display='none';
    document.getElementById('drops_hider').style.display='none';
}
function get_offset(obj) {
   var curleft = curtop = 0;
   if (obj.offsetParent) {
      do {
         curleft += obj.offsetLeft;
         curtop += obj.offsetTop;
      } while (obj = obj.offsetParent);
   }
   return [curleft,curtop];
}

function expand(id) {
	if(document.getElementById(id).style.display != "block") {
		document.getElementById(id).style.display="block";
	} else {
		document.getElementById(id).style.display="none";
        }
	init();
}

////// form valadation //////


error_msg = " -- error: required field -- ";
email_error_msg = " -- error: invalid email address -- ";
date_error_msg = " -- error: invalid date format -- ";
function checkform(name) {
	var error=false;
	var qa = false;
	for(i=0;i<document.forms[name].length-2;i++) {
		if(document.forms[name].elements[i].getAttribute('rel')!="optional" && document.forms[name].elements[i].getAttribute('disabled') !="disabled") {
			if(document.forms[name].elements[i].value=="" || document.forms[name].elements[i].value==error_msg || document.forms[name].elements[i].value=="name" || document.forms[name].elements[i].value=="opponent name") {
				document.forms[name].elements[i].style.borderColor='#FF0000';
				if(document.forms[name].elements[i].type!="file" && document.forms[name].elements[i].type!="password") {
					document.forms[name].elements[i].value=error_msg;
				} else if(document.forms[name].elements[i].type=="file"){
					alert ("The highlighted file field does not containt a path to your file.");
				} else if(document.forms[name].elements[i].type=="password"){
					alert ("The highlighted field is empty.");
				}
				error=true;
			} else if(document.forms[name].elements[i].id.indexOf("email") !== -1) {
				mail_str = document.forms[name].elements[i].value;
				if(mail_str.indexOf(".", mail_str.indexOf("@")) < mail_str.indexOf("@") + 2
					|| mail_str.indexOf(".") < 1
					|| mail_str.indexOf(".") > mail_str.length-2
					|| mail_str.indexOf("@") < 1
					|| mail_str.indexOf("@") > mail_str.length-2)
					{
					error = true;
					document.forms[name].elements[i].style.borderColor='#FF0000';
					document.forms[name].elements[i].value=email_error_msg;
				} else {
					document.forms[name].elements[i].style.borderColor='#888888';
				}
			} else {
				document.forms[name].elements[i].style.borderColor='#888888';
			}
			if(document.forms[name].elements[i].type=="radio" ) {
				qa = document.forms[name].elements[i].checked ? true : qa;
				if(document.forms[name].elements[i].name != document.forms[name].elements[i+1].name) {
					if(!qa) {
						document.forms[name].elements[i].parentNode.parentNode.style.borderBottom='solid 1px #FF0000';
						error=true;
					} else {
						document.forms[name].elements[i].parentNode.parentNode.style.borderBottom='0';
						qa = false;
					}
				}
			}
		}
	}
	
	if(error) {
		alert("Please ensure that all highlighted fields are completed.");
		return false;
	}

}

function aos(value) {
	if(document.getElementById('type_a').disabled) {
		document.getElementById('type_a').removeAttribute('disabled');
		document.getElementById('type_b').removeAttribute('disabled');
		document.getElementById('type_c').removeAttribute('disabled');
		document.getElementById('type_d').removeAttribute('disabled');
	
	} else {
		document.getElementById('type_a').disabled='disabled';
		document.getElementById('type_b').disabled='disabled';
		document.getElementById('type_c').disabled='disabled';
		document.getElementById('type_d').disabled='disabled';
		
	}
}


function clear_error(field) {
	if(field.value==error_msg || field.value==email_error_msg || field.value==date_error_msg) {
		field.value="";
		
	}
}

function checkdate(id,value) {
	if(value!=error_msg && value!="") {
		var http_request = false;
		var url = "/stpeters/includes/checkdate.php?value=" + value + "&id=" + id;
		if (window.XMLHttpRequest) { // Mozilla, Safari, ...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
				//http_request.overrideMimeType('text/xml');
				// See note below about this line
			}
		} else if (window.ActiveXObject) { // IE
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
	
		if (!http_request) {
			alert('Giving up :( Cannot create an XMLHTTP instance');
			return false;
		}
		http_request.onreadystatechange = function() { return_date(http_request,id); };
		http_request.open('GET', url, true);
		http_request.send(null);
	}
}

function return_date(http_request,id) {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			new_val = http_request.responseText;
			document.getElementById(id).value= new_val != "error" ? new_val : date_error_msg;
		} else {


/* ***** REMOVED ALERT *****
			 alert('There was a problem with the request.'); */
		}
	}
}
function cap_name(obj) {
	obj.value = obj.value.titleCase();

}
String.noLC = new Object
  ({the:1, a:1, an:1, and:1, or:1, but:1, aboard:1,
    about:1, above:1, across:1, after:1, against:1,
    along:1, amid:1, among:1, around:1, as:1, at:1,
    before:1, behind:1, below:1, beneath:1, beside:1,
    besides:1, between:1, beyond:1, but:1, by:1, 'for':1,
    from:1, 'in':1, inside:1, into:1, like:1, minus:1,
    near:1, of:1, off:1, on:1, onto:1, opposite:1,
    outside:1, over:1, past:1, per:1, plus:1,
    regarding:1, since:1, than:1, through:1, to:1,
    toward:1, towards:1, under:1, underneath:1, unlike:1,
    until:1, up:1, upon:1, versus:1, via:1, 'with':1,
    within:1, without:1});
	
function dump(arr,level) {
	var dumped_text = "";
	if(!level) level = 0;
	
	//The padding given at the beginning of the line.
	var level_padding = "";
	for(var j=0;j<level+1;j++) level_padding += "    ";
	
	if(typeof(arr) == 'object') { //Array/Hashes/Objects 
		for(var item in arr) {
			var value = arr[item];
			
			if(typeof(value) == 'object') { //If it is an array,
				dumped_text += level_padding + "'" + item + "' ...\n";
				dumped_text += dump(value,level+1);
			} else {
				dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
			}
		}
	} else { //Stings/Chars/Numbers etc.
		dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
	}
	return dumped_text;
}
	
	

String.prototype.titleCase = function () {
  var parts = this.split(' ');
  if ( parts.length == 0 ) {
			return '';
	}
  
	


	var fixed = new Array();
  for (i=0;i<parts.length;i++) {
		
		var fix = '';
		if ( String.noLC[parts[i]] ) {
			fix = parts[i].toLowerCase();
		} else if ( parts[i].match(/^([A-Z]\.)+$/i) ) { // will mess up "i.e." and like
			fix = parts[i].toUpperCase();
		} else if ( parts[i].match(/^[^aeiouy]+$/i) ) { // voweless words are almost always acronyms
			fix = parts[i].toUpperCase();
		} else {
			fix = parts[i].substr(0,1).toUpperCase() +
								 parts[i].substr(1,parts[i].length);
		}
		fixed.push(fix);
	
  }
  fixed[0] = fixed[0].substr(0,1).toUpperCase() +
                 fixed[0].substr(1,fixed[0].length);
  return fixed.join(' ');
}

function only_numbers(e){
	var keynum
	var keychar
	var numcheck
	
	if(window.event) { // IE	
		keynum = e.keyCode;
	} else if(e.which) { // Netscape/Firefox/Opera
		keynum = e.which;
	}
	if(keynum != 8 && keynum != 13 && keynum != undefined) { 
		keychar = String.fromCharCode(keynum);
		numcheck = /\d/;
		return numcheck.test(keychar);
	} else {
		return true;
	}
}

function tuition() {
calcform = document.getElementById('calculator');
if (calcform == null) return;
var status = document.getElementById('status').value;
if (status == "credit") {
  var per3credit = 435;
} else {
  var per3credit = 217.50;
}
  var perlab = 75;
  var studentfee = 8;
  var perapplication = 0;

  var credits = parseInt(document.getElementById('credits').value);
  var labs = parseInt(document.getElementById('labs').value);

if (credits == 0 && labs == 0) {
  var amount = 0;
} else {
  var amount = perapplication + (per3credit * credits / 3) + (perlab * labs) + (studentfee * credits);
}
  var target = document.getElementById('tuition');
  target.innerHTML = "$" + amount.toFixed(2);
}


///////// flash embedding scripts ////////// 

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version.substring(4);
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}
	
	flashVer = flashVer.split(".");
	flashVer =  flashVer[0];
	flashVer =  flashVer.split(",");
	flashVer =  flashVer[0];
	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}
var b_version=navigator.appVersion;
var cal_login_offset = b_version.indexOf("MSIE") != -1 ? 70 : 20;

function show_hide_small_calendar (obj) {
   if(document.getElementById('small_calendar').style.display != 'block') {
      document.getElementById('small_calendar').style.display = 'block';
      document.getElementById('show_hide_calendar').innerHTML = 'hide';
      document.getElementById('small_calendar').style.top = (obj.offsetTop+cal_login_offset)+'px';
   } else {
      document.getElementById('small_calendar').style.display = 'none';
      document.getElementById('show_hide_calendar').innerHTML = 'show';
   }
}

function non_nsid(obj) {
	obj_value = obj.value;
	if(obj_value.indexOf(".", obj_value.indexOf("@")) > obj_value.indexOf("@")) {
		document.getElementById('pw_'+obj.id).value = prompt("It appears that you are making a booking without an U of S NSID. If this is true enter your password below. If you have an NSID do not enter your password here.");
	}
}
function non_nsid_login (obj) {
	if(document.getElementById('non_nsid_form').style.display != 'block') {
		document.getElementById('non_nsid_form').style.display = 'block';
		document.getElementById('non_nsid_form').style.top = (obj.offsetTop+cal_login_offset)+'px';
	} else {
		document.getElementById('non_nsid_form').style.display = 'none';
	}
}