// Validate contact us form
function Validate_Form(frm)
{ 
	with(frm)
	{ 
		if(!IsEmpty(txtFname,"Please enter first name"))
			return false;

		if(!IsEmpty(txtLname,"Please enter last name"))
			return false;
			
		if(!IsEmpty(txtEmail,"Please enter email"))
			return false;
			
		if(!IsEmail(txtEmail,"Please enter valid email"))
			return false;
		submit();
	}
}