function validateForm(contactForm)
{
	if (document.contactForm.name.value == '')
	{
		alert("Please enter your name.");
		document.contactForm.name.focus();
		return false;
	}
	else if (document.contactForm.email.value == '')
	{
		alert("Please enter Email Address.");
		document.contactForm.email.focus();
		return false;
	}
	else if (document.contactForm.contact.value == '')
	{
		alert("Please enter your Contact Information.");
		document.contactForm.contact.focus();
		return false;
	}
	else if (document.contactForm.message.value == '')
	{
		alert("Please enter your Message.");
		document.contactForm.message.focus();
		return false;
	}	

	else if (document.contactForm.email.value !== '')
	{
		return checkmail(contactForm.email);
	}
	else
	{
	 return true
	}
}

function checkmail(e){
var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
var returnval=emailfilter.test(e.value)
	if (returnval==false){
		alert("Please enter a valid email address.")
		e.select()
	}
return returnval
}