function validRequired(formField,Message) {
		var result = true;
		if (formField.value == "")
		{
			alert(Message);
			formField.focus();
			result = false;
		}
		return result;
	}
	
function signupValidate(theForm)
	{
	var enterusername='Enter a valid username'
	var enterpassword='Enter a valid passowrd'
		if (!validRequired(theForm.username,enterusername))
		return false;
		if (!validRequired(theForm.password,enterpassword))
		return false;
		return true;
	}
	
	function CancelClick() {
		history.go(-1);
	}
	
	function setFocus() {
		document.forms[0].username.focus();
	}