function validform()
{
if (document.forma.youname.value == ""){
document.forma.youname.focus();
alert ("Attention:Please input your name!");
return false;
}
if (document.forma.youtele.value == "")
{
document.forma.youtele.focus();
alert ("Attention:Please input your Telephone!");
return false;
}
if (document.forma.youemail.value == ""){
document.forma.youemail.focus();
alert ("Attention:Please input your E-mail£”");
return false;
}
if (document.forma.youaddr.value == "")
{
document.forma.youaddr.focus();
alert ("Attention:Please input your Address£”");
return false;
}
if (document.forma.youproduct.value == ""){
document.forma.youproduct.focus();
alert ("Attention:Please input your Product range!");
return false;
}
if (document.forma.youmsg.value == "")
{
document.forma.youmsg.focus();
alert ("Attention:Please input your Opinion!");
return false;
}
}