function isEmail (s) {
	if (isEmpty(s)) {
		return false;
	}
	// is s whitespace?
	if (isWhitespace(s)) {
		return false;
	}
	// there must be >= 1 character before @, so we
	// start looking at character position 1 
	// (i.e. second character)
	var i = 1;
	var sLength = s.length;
	// look for @
	while ((i < sLength) && (s.charAt(i) != "@")) {
		i++;
	}
	if ((i >= sLength) || (s.charAt(i) != "@")) {
		return false;
	} else {
		i += 2;
	}
	// look for .
	while ((i < sLength) && (s.charAt(i) != ".")) {
		i++;
	}
	// there must be at least one character after the .
	if ((i >= sLength - 1) || (s.charAt(i) != ".")) {
		return false;
	} else {
		return true;
	}
}

function isEmpty(s) {
	return ((s == null) || (s.length == 0));
}

function isWhitespace (s) {
	var i;
	var whitespace = " \t\n\r";
	if (isEmpty(s)) {
		return true;
	}
	for (i = 0; i < s.length; i++) {
		var c = s.charAt(i);
		if (whitespace.indexOf(c) == -1) {
			return false;
		}
	}
	return true;
}

//--------------SCROLLING CHECK BOX SCRIPT--------------//
function initChecklist() {
	if (document.all && document.getElementById) {
		// Get all unordered lists
		var lists = document.getElementsByTagName("ul");
		for (i = 0; i < lists.length; i++) {
			var theList = lists[i];
			// Only work with those having the class "checklist"
			if (theList.className.indexOf("checklist") > -1) {
				var labels = theList.getElementsByTagName("label");
				// Assign event handlers to labels within
				for (var j = 0; j < labels.length; j++) {
					var theLabel = labels[j];
					theLabel.onmouseover = function() { this.className += " hover"; };
					theLabel.onmouseout = function() { this.className = this.className.replace(" hover", ""); };
				}
			}
		}
	}
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

function radioValue(element) {
	var radioChecked = false;
	if (typeof(element.length) == "undefined") {
		if (element.checked) {
			radioChecked=element.value;
		} else {
			radioChecked=false;
		}
	} else {
		for (button in element) {
			if (element[button].checked) {
				radioChecked=element[button].value;
				break;
			}
		}
	}
	return radioChecked;
}

//qTip - CSS Tool Tips - by Craig Erskine
//http://qrayg.com
//
//Multi-tag support by James Crooke
//http://www.cj-design.com
//
//Inspired by code from Travis Beckham
//http://www.squidfingers.com | http://www.podlob.com
//
//Copyright (c) 2006 Craig Erskine
//Permission is granted to copy, distribute and/or modify this document
//under the terms of the GNU Free Documentation License, Version 1.3
//or any later version published by the Free Software Foundation;
//with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
//A copy of the license is included in the section entitled "GNU
//Free Documentation License".

var qTipTag = "a,label,input"; //Which tag do you want to qTip-ize? Keep it lowercase!//
var qTipX = 0; //This is qTip's X offset//
var qTipY = 15; //This is qTip's Y offset//

//There's No need to edit anything below this line//
tooltip = {
name : "qTip",
offsetX : qTipX,
offsetY : qTipY,
tip : null
}

tooltip.init = function () {
	var tipNameSpaceURI = "http://www.w3.org/1999/xhtml";
	if(!tipContainerID){ var tipContainerID = "qTip";}
	var tipContainer = document.getElementById(tipContainerID);

	if(!tipContainer) {
	  tipContainer = document.createElementNS ? document.createElementNS(tipNameSpaceURI, "div") : document.createElement("div");
		tipContainer.setAttribute("id", tipContainerID);
	  document.getElementsByTagName("body").item(0).appendChild(tipContainer);
	}

	if (!document.getElementById) return;
	this.tip = document.getElementById (this.name);
	if (this.tip) document.onmousemove = function (evt) {tooltip.move (evt)};

	var a, sTitle, elements;
	
	var elementList = qTipTag.split(",");
	for(var j = 0; j < elementList.length; j++)
	{	
		elements = document.getElementsByTagName(elementList[j]);
		if(elements)
		{
			for (var i = 0; i < elements.length; i ++)
			{
				a = elements[i];
				sTitle = a.getAttribute("title");				
				if(sTitle)
				{
					a.setAttribute("tiptitle", sTitle);
					a.removeAttribute("title");
					a.removeAttribute("alt");
					a.onmouseover = function() {tooltip.show(this.getAttribute('tiptitle'))};
					a.onmouseout = function() {tooltip.hide()};
				}
			}
		}
	}
}

tooltip.move = function (evt) {
	var x=0, y=0;
	if (document.all) {//IE
		x = (document.documentElement && document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
		y = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
		x += window.event.clientX;
		y += window.event.clientY;
		
	} else {//Good Browsers
		x = evt.pageX;
		y = evt.pageY;
	}
	this.tip.style.left = (x + this.offsetX) + "px";
	this.tip.style.top = (y + this.offsetY) + "px";
}

tooltip.show = function (text) {
	if (!this.tip) return;
	this.tip.innerHTML = text;
	this.tip.style.display = "block";
}

tooltip.hide = function () {
	if (!this.tip) return;
	this.tip.innerHTML = "";
	this.tip.style.display = "none";
}

window.onload = function () {
	tooltip.init ();
}

/*===========================END TOOL TIP JS===========================*/


function Disab(val) {
	frm=document.forms[0]
	if(val=="enabl")
		{frm.Button1.disabled=false;frm.Button2.disabled=false}
	if(val=="buttn1")
		{frm.Button1.disabled=true;frm.Button2.disabled=false}
	if(val=="buttn2")
		{frm.Button1.disabled=false;frm.Button2.disabled=true}
	if(val=="disabl")
		{frm.Button1.disabled=true;frm.Button2.disabled=true}
}

function roll_over(img_name, img_src) {
	document[img_name].src = img_src;
}

function disablehref(myTag){

	var thisTag = document.getElementById(myTag);
	thisTag.disabled = true;// Does not disable the link it just gives it a grey color, but works with buttons
	thisTag.removeAttribute("href"); //OBS this works but also stops the request and the next page does not get loaded, just hangs in the first page
	thisTag.style.cursor='wait'; // just to give the mousepointer the wait symbol instead of the hand

}

function confirmSubmit(type)
{
var actionConfirm =confirm("Are you sure you wish to " + type + "?");
if (actionConfirm)
	return true ;
else
	return false ;
}

/* USE THIS AT SOME POINT FOR TABLE STRIPING - NOT 100% CONFIGURED YET */
$(document).ready(function(){
   $(".stripeMe tr").mouseover(function(){$(this).addClass("over");}).mouseout(function(){$(this).removeClass("over");});
   $(".stripeMe tr:even").addClass("alt");
});

//This should print out a semi-spider proof email address
function emailLink(user,site,linktext) { //linktext is optional
	document.write('<a href=\"mailto:' + user + '@' + site + '\">');
	if (linktext.length < 1)
	 linktext = user + '@' + site; 
	document.write( linktext + '</a>');
}