function validateForm()
{

	var filled = true;
	var valid = true;
	var message = "The following fields are empty:";
	required = ["firstName", "lastName", "email", "uname", "pword", "cpword"];
	fieldNames = ["First name", "Last name", "Email", "Username", "Password", "Confirmation Password"];

	for (i=0;i<required.length;i++)
	{
		var x=document.forms["user-input"][required[i]].value;
		if (x==null || x=="")
		{
			filled = false;
			message = message.concat("\n"+fieldNames[i]);
		}
	}

	if (/\d/.test(document.forms["user-input"]["firstName"].value) == true)
	{
		valid=false;
		alert("Please Enter Words Only in The Name Field");
	}

	if (/\d/.test(document.forms["user-input"]["lastName"].value) == true)
	{
		valid=false;
		alert("Please Enter Words Only in The Surname Field");
	}

	var x=document.forms["user-input"]["email"].value;
	var atpos=x.indexOf("@");
	var dotpos=x.lastIndexOf(".");
	if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
	{
		alert("Not a valid e-mail address");
		valid=false
	}

	var names = document.forms["user-input"]["users"];
	var exists = false;

	if (names.length===undefined)
	{
		if (names.value == document.forms["user-input"]["uname"].value)
		{
			exists = true;
			alert("Username exists. Please choose another one");
		}
	}else
	{
		for (i=0;i<names.length;i++)
		{
			if (names[i].value == document.forms["user-input"]["uname"].value)
			{
				exists = true;
				alert("Username exists. Please choose another one");
			}
		}
	}

	var pMatch = true;
	if (document.forms["user-input"]["cpword"].value != document.forms["user-input"]["pword"].value)
	{
		var x=document.forms["user-input"]["cpword"].value;
		var y=document.forms["user-input"]["Pass"].value;
		if (!((x==null || x=="") || (y==null || y=="")))
		{
			alert("Password and Confirmation Password do not match");
			pMatch = false;
		}
	}

	if (filled == false)
	{
		alert(message);
		return false;
	}

	if ((valid == false) || (exists == true) || (pMatch == false))
	{
		return false;
	}

	if ((valid == true) && (filled == true))
	{
		return true;
	}
}