window.onload = init;
function init()
{
	// Set poll check
	setPollButtons();
	//set fly outs
	setFlyouts();
}


//this is a fix for the poll control. 
//it displays an alert if no poll option is selected.
function setPollButtons()
{
	var pollButtons = $$('input.PollVoteButton');
	if (pollButtons != null)
	{
		for (var i=0; i<pollButtons.length; i++)
		{
			pollButtons[i].onclick = function() {
				var pollOptions = $$('.PollOptions span input');
				var pollOk = false;
				for (var i=0; i<pollOptions.length; i++)
				{
					if(pollOptions[i].checked)
						 pollOk = true;
				}
				if(!pollOk)
				{
					alert("Please select an option in the poll.");
					return false;
				}
			}
		}
	}
}

function setFlyouts()
{
	var globalNav = $('Nav');
	if (globalNav != null)
	{
		if (parseInt(navigator.userAgent.substr(navigator.userAgent.indexOf("MSIE ") + 5, 3)) < 7)
		{
			// IE6 or below, set up hovers
			var navRoots = $(globalNav.getElementsByTagName("ul")[0]).immediateDescendants();
			for (var i=0; i<navRoots.length; i++)
			{
				navRoots[i].onmouseover = function() { this.className += " Hover";}
				navRoots[i].onmouseout = function() { this.className = this.className.replace(" Hover", ""); }
			}
		}
	}
}

function openWindow(url, name, width, height, resizable, scrollbars, statusbar, menubar, toolbar)
{
	var win = null;
	var optionString = "";
	if (width) optionString += "width=" + width + ",";
	if (height) optionString += "height=" + height + ",";
	if (resizable) optionString += "resizable=1,";
	if (scrollbars) optionString += "scrollbars=1,";
	if (statusbar) optionString += "status=1,";
	if (menubar) optionString += "menubar=1,";
	if (toolbar) optionString += "toolbar=1,";
	if (optionString != "") optionString = optionString.substr(0, optionString.length - 1);
	win = window.open(url, name, optionString);
	if (win) win.focus();
	return win;
}

function printPage()
{
	if (window.print) window.print();
	else alert("Please select \"Print...\" from the File menu.");
}

function trim(theString)
{
	var newString = theString;
	while (newString.charAt(0) == " " || newString.charCodeAt(0) == 10 || newString.charCodeAt(0) == 13 || newString.charCodeAt(0) == 9)
	{
		newString = newString.substring(1,newString.length);
	}
	while (newString.charAt(newString.length - 1) == " " || newString.charCodeAt(newString.length - 1) == 10 || newString.charCodeAt(newString.length - 1) == 13 || newString.charCodeAt(newString.length - 1) == 9)
	{
		newString = newString.substring(0,newString.length - 1);
	}
	return newString;
}

function getCookie(name)
{
	var cookies = document.cookie.split(";")
	for (var i=0; i<cookies.length; i++)
	{
		var nameVal = cookies[i].split("=");
		if (nameVal.length == 2 && trim(nameVal[0]) == trim(name))
		{
			return trim(nameVal[1]);
		}
	}
	return "";
}

function setCookie(name, value, expires)
{
	document.cookie = name + "=" + value + ";path=/;" + (expires ? " expires=" + expires.toGMTString() + ";" : "");
}

function removeCookie(name)
{
	setCookie(name, "", new Date("2 January 1970"));
}

function createBookmarkLink(url, title)
{
	if (window.sidebar)
		// Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url, "");
	else if (window.external)
		// IE Favorite
		window.external.AddFavorite(url,title);
	else if (window.opera && window.print)
		// Opera Hotlist
		return true;
}