function validateContactus() 
{
	if(document.forms['contactForm'].elements['name'].value=="")
	{
		alert("Please, enter your Name");
		document.contactForm.name.focus();
		return false;
	}
	if(document.forms['contactForm'].elements['surname'].value=="")
	{
		alert("Please, enter your Surname");
		document.contactForm.surname.focus();
		return false;
	}
	/*if(document.forms['contactForm'].elements['address'].value=="")
	{
		alert("Please, enter your Address");
		document.contactForm.address.focus();
		return false;
	}
	if(document.forms['contactForm'].elements['phone'].value=="")
	{
		alert("Please enter your Contact Number");
		document.contactForm.phone.focus();
		return false;
	}	
	if(document.forms['contactForm'].elements['email'].value=="")
	{
		alert("Please, enter your valid Email");
		document.contactForm.email.focus();
		return false;
	}*/
	if(document.forms['contactForm'].elements['email'].value!="")
	{
		var str=document.contactForm.email.value;
		var er=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
		if(!er.test(str))
		{
			alert ("Please enter your valid Email");
			document.contactForm.email.select();
			return false;
		}
	}
	if(document.forms['contactForm'].elements['test_code'].value=="")
	{
		alert("Please, enter your Security Code");
		document.contactForm.test_code.focus();
		return false;
	}
	
	return true;
}

//===================================================================================================