// JavaScript Document
function ValidateForm()
{
	var form = document.f;
	
	if (form.first_name.value=="")
	{
		alert("First name is required.");
		form.first_name.focus();
		return false;
	}
	
	if (form.last_name.value=="")
	{
		alert("Last name is required.");
		form.last_name.focus();
		return false;
	}
	
	if (form.email.value=="")
	{
		alert("Email is required.");
		form.company.focus();
		return false;
	}

	if (form.mobile.value=="")
	{
		alert("Mobile telephone is required.");
		form.email.focus();
		return false;
	}

	if (form.company.value=="")
	{
		alert("Company name is required.");
		form.zip.focus();
		return false;
	}

	return true;
}