// JavaScript Document
<!--
function validate_form() {
  validity = true;
  if (!check_empty(document.form.Name.value))
        { validity = false; alert('Please input your Name!'); }
  if (!check_email(document.form.Email.value))
        { validity = false; alert('Please input your E-mail!'); }
  if (!check_empty(document.form.Comments.value))
        { validity = false; alert('Please input your Comments!'); }
  if (validity)
       alert ('Your message has been sent to us successfully! Thank you for your cooperation and we will contact you as soon as possible!');
  return validity; 
}

function check_empty(text) {
  return (text.length > 0); 
}

function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}

// -->
function scroll(n)
{temp=n;
showpicture.scrollTop=showpicture.scrollTop+temp;
if (temp==0) return;
setTimeout("scroll(temp)",80);
}