function Validate()
{
	objTxtName = document.getElementById("txtName");
	if(objTxtName.value == "")
	{
		alert("Name is required."); 
		objTxtName.focus(); 
		return false;
	}
	
	objTxtEmail = document.getElementById("txtEmail");
	if(objTxtEmail.value == "")
	{
		alert("Email address is required.");
		objTxtEmail.focus();
		return false;
	}
	
	var validEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/; 
	if(!validEmail.test(objTxtEmail.value))
	{
		alert("Email address is not valid.");
		objTxtEmail.focus();
		objTxtEmail.select();
		return false;
	}
	
	return true;
}