function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}

/*
var previousSlide;
var defaultSlide = "slide-1";

function setSlide(pSlide)
{
	previousSlide = pSlide;
}

function getSlide()
{	
	return previousSlide;
}

function showSlide(pSlide)
{
	var currentSlide = pSlide;

	if(currentSlide == defaultSlide){
		document.getElementById(currentSlide).style.display = "block";}
	
	if(!getSlide() && (currentSlide != defaultSlide)){		
		document.getElementById(currentSlide).style.display = "block";
		document.getElementById(defaultSlide).style.display = "none";
		setSlide(currentSlide);
	}else if(currentSlide == getSlide()){		
		document.getElementById(currentSlide).style.display = "block";	
		setSlide(currentSlide);
	}else{
		document.getElementById(currentSlide).style.display = "block";
		document.getElementById(getSlide()).style.display = "none";
		setSlide(currentSlide);}
}

function getPrevSlide(){
	alert("prev " + getSlide());
}

function getNextSlide(){
	alert("next " +getSlide());
}

function hideSlide(pSlide)
{
	var currentSlide = pSlide;
}

function hideTheatre(pElem)
{
	var currentElem = pElem;

	document.getElementById(currentElem).style.display = "none";
}
*/


monthLen = new Array()
	monthLen[1] = 30
	monthLen[2] = 28
	monthLen[3] = 31
	monthLen[4] = 30
	monthLen[5] = 31
	monthLen[6] = 30
	monthLen[7] = 31
	monthLen[8] = 31
	monthLen[9] = 30
	monthLen[10] = 31
	monthLen[11] = 30
	monthLen[12] = 31


var whitespace = " \t\n\r";
function isEmpty(s){   
	return ((s == null) || (s.length == 0));
}
function isStringWhitespace(s){   
	var i;
	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;
}

function checkEmail(email){
	invalidChars = " /:,;"
	str_email = email;
	for(var i = 0; i < invalidChars.length; i++){
		badChar = invalidChars.charAt(i)
		if(str_email.indexOf(badChar,0) != -1){
			msg = new Array()
				msg[0] = "An Email Address cannot contain a blank space"
				msg[1] = "An Email Address cannot contain a slash"
				msg[2] = "An Email Address cannot contain a colon"
				msg[3] = "An Email Address cannot contain a comma"
				msg[4] = "An Email Address cannot contain a semi-colon"
		return true;
		}
	}
	atPos = str_email.indexOf("@", 1)
	if(atPos == -1){
		return true;
	}
	if(str_email.indexOf("@",atPos + 1) != -1){
		return true;
	}
	periodPos = str_email.indexOf(".",atPos)
	if(periodPos == -1){
		return true;
	}
	if(periodPos + 3 > str_email.length){
		return true;
	}
	return false;
}