var emailFilter=/^(.+)@(.+)$/;

function checkForm(v){
err="";
if(!v.terms.checked){
	alert("Please confirm you have read and agreed to the Terms and Conditions");
	return false;
}

if(v.siteurl.value=="" || v.siteurl.value=="http://"){
	err=err+"Site URL\n";	
}
if(v.sitetitle.value==""){
	err=err+"Site Title\n";	
}
if(v.description.value==""){
	err=err+"Site Description\n";	
}
if(v.name.value==""){
	err=err+"Name\n";	
}
if(!(emailFilter.test(v.email.value))){
		err=err+"Email Address\n";
	}

if(v.number.value==""){
	err=err+"Validation\n";	
}
if(v.description.value.length>250){
	err=err+"Site description is too long";	
}
if(err!=""){
	alert("Please complete the following fields:\n" + err);
	return false;
}else{
	return true;	
}
}

function setMaxLength() {
	var x = document.getElementsByTagName('textarea');
	var counter = document.createElement('div');
	counter.className = 'counter';
	for (var i=0;i<x.length;i++) {
		if (x[i].getAttribute('maxlength')) {
			var counterClone = counter.cloneNode(true);
			counterClone.relatedElement = x[i];
			counterClone.innerHTML = '<span>0</span>/'+x[i].getAttribute('maxlength');
			x[i].parentNode.insertBefore(counterClone,x[i].nextSibling);
			x[i].relatedElement = counterClone.getElementsByTagName('span')[0];

			x[i].onkeyup = x[i].onchange = checkMaxLength;
			x[i].onkeyup();
		}
	}
}

function checkMaxLength() {
	var maxLength = this.getAttribute('maxlength');
	var currentLength = this.value.length;
	if (currentLength > maxLength)
		this.relatedElement.className = 'toomuch';
	else
		this.relatedElement.className = '';
	this.relatedElement.firstChild.nodeValue = currentLength;
	// not innerHTML
}