function ClearTextBox(elem, initialValue) {
	if (elem.value == initialValue)
    	elem.value = "";
   		return true;
}
    
function checkEmail(src) {
     var emailReg = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
     var regex = new RegExp(emailReg);
     //return regex.test(src);

	if (regex.test(src)){
	return (true)
	}
	alert("Invalid email address. Please re-enter.")
	return (false)
	 
}

function ValidateForm(){
	xForm = document.xFrm;

	if ((xForm.email.value==null)||(xForm.email.value=="")){
		alert("Please enter your email address.")
		xForm.email.focus();
		return false;
	}
	if (checkEmail(xForm.email.value)==false){
		xForm.email.value="";
		xForm.email.focus();
		return false;
	}

	xForm.submit();	
	return true;
 }