function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

function addEvent( obj, type, fn ) {
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent) {
		obj['e'+type+fn] = fn;
		obj[type+fn] = function() { obj['e'+type+fn]( window.event ); }
		obj.attachEvent( 'on'+type, obj[type+fn] );
	}
}

function removeEvent( obj, type, fn ) {
	if (obj.removeEventListener)
		obj.removeEventListener( type, fn, false );
	else if (obj.detachEvent) {
		obj.detachEvent( 'on'+type, obj[type+fn] );
		obj[type+fn] = null;
		obj['e'+type+fn] = null;
	}
}

function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function hasClass(object, className) {
    if (!object.className) return false;
    return (object.className.search('(^|\\s)' + className + '(\\s|$)') != -1);
}

function removeClass(object,className) {
    if (!object) return;
    object.className = object.className.replace(new RegExp('(^|\\s)'+className+'(\\s|$)'), RegExp.$1+RegExp.$2);
}

function addClass(object,className) {
    if (!object || hasClass(object, className)) return;
    if (object.className) {
        object.className += ' '+className;
    } else {
        object.className = className;
    }
}

function getDocumentHeight() {
	var x,y;
	var test1 = document.body.scrollHeight;
	var test2 = document.body.offsetHeight
	if (test1 > test2) // all but Explorer Mac
	{
		x = document.body.scrollWidth;
		y = document.body.scrollHeight;
	}
	else // Explorer Mac;
		 //would also work in Explorer 6 Strict, Mozilla and Safari
	{
		x = document.body.offsetWidth;
		y = document.body.offsetHeight;
	}
	return y;
}

function getCookie(name) {
	var start = document.cookie.indexOf(name + "=");
	var len = start + name.length + 1;
	if ((!start) && (name != document.cookie.substring(0, name.length))) {
		return null;
	}
	if (start == -1) return null;
	var end = document.cookie.indexOf(";", len);
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len, end));
}
	
function setCookie(name, value, expires, path, domain, secure) {
	var today = new Date();
	today.setTime(today.getTime());
	if (expires) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date(today.getTime() + (expires));
	document.cookie = name+"="+escape(value) +
		((expires) ? ";expires="+expires_date.toGMTString() : "") + //expires.toGMTString()
		((path) ? ";path=" + path : "") +
		((domain) ? ";domain=" + domain : "") +
		((secure) ? ";secure" : "");
}
	
function deleteCookie(name, path, domain) {
	if (getCookie(name)) document.cookie = name + "=" +
			((path) ? ";path=" + path : "") +
			((domain) ? ";domain=" + domain : "") +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

var _POPUP_FEATURES = 'location=no,statusbar=no,menubar=no,resizable=no,scrollbars=no,width=397,height=247';

function isUndefined(v) {
   var undef;
   return v===undef;
}

function raw_popup(url, target, features) {
  if (isUndefined(features)) {
	features = _POPUP_FEATURES;
  }
  if (isUndefined(target)) {
	target = '_blank';
  }
  var theWindow =
	window.open(url, target, features);
  theWindow.focus();
  return theWindow;
}

function link_popup(src, features) {
  return raw_popup(src.getAttribute('href'),
	src.getAttribute('target') || '_blank',
	features);
}

// Registration Script for White Papers

function IncludeJavaScript(jsFile)
{
  document.write('<script type="text/javascript" src="'
    + jsFile + '"></scr' + 'ipt>'); 
}

IncludeJavaScript('/js/browserDetect.js');

 function windowPop(filePath)
 {
	_POPUP_FEATURES = 'location=yes,statusbar=yes,menubar=no,resizable=yes,scrollbars=yes'
	tempWindow = raw_popup(filePath,null, _POPUP_FEATURES);    // user registered, winpop document
 }

// trap Data  
function TrapData(fileName, filePath)
{	
	document.getElementById("filePath").value = filePath;
	document.getElementById("fileName").value = fileName;
	document.requestDownload.submit();
}