pic1= new Image(16,16); 
pic1.src="email/loading.gif"; 
pic2= new Image(16,16); 
pic2.src="email/x.png"; 
pic3= new Image(16,16); 
pic3.src="email/valid.png"; 

function writecookie(content){
var expiredate = new Date
expiredate.setMonth(expiredate.getFullYear()+9)
document.cookie = "email="+ content+";expires="+expiredate.toGMTString()
}

function checkemail(){
var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
var returnval=emailfilter.test(document.getElementById('email').value)
if (returnval==false){
document.getElementById('valid').src = 'email/x.png'
document.getElementById('sending').innerHTML = ''
}
else {
document.getElementById('valid').src = 'email/valid.png'
document.getElementById('sending').innerHTML = '<input type="button"  value="submit" class="button" onclick="submitemail(document.getElementById(\'email\').value)">'
}
}

function submitemail(email){
document.getElementById('sending').innerHTML = '<img src="email/loading.gif">'
new Ajax.Request( 'email/write.php?var='+encodeURIComponent(email), {method:'get', onSuccess:Rcvd, onFailure:Failed});
}

//// Place failure message here
function Failed()
{
document.getElementById('results').innerHTML = 'Sorry, there was a failure in your query. Please refresh and try again.'
}

//// Place confirm message here
function Rcvd()
{
document.getElementById('results').innerHTML = 'Your e-mail address has been succesfully submitted!'
}