function ContactUsValidation()
{
	var Name = document.getElementById("txtName");
	if(Name != null)
	{
		if(Name.value == "")
		{
			alert("Please enter name:");
			Name.focus();
			return false;
		}
	}
	
	var cName = document.getElementById("txtCompanyName");
	if(cName != null)
	{
		if(cName.value == "")
		{
			alert("Please enter company name:");
			cName.focus();
			return false;
		}
	}

	var hPhone = document.getElementById('txtPhone');
	var ctxtContact = hPhone.value;
	var result = ctxtContact.match(/^\d+$/);           
	if(result == null)
	{
		alert("Please enter valid phone #");
		hPhone.focus();
		return false;
	}

	var email = document.getElementById('txtEmail');
	var ctxtEmail = email.value;
	var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;       
	var result = ctxtEmail.match(pattern);           
	if(result == null) 
	{
		alert("Please enter valid email address");
		email.focus();
		return false;
	}
}