function CheckDetails() 
{

st = document.fbform.Product.value

if (st=="")
{
alert("You forgot to fill in the product")

return false
}


st = document.fbform.Comments.value

if (st=="")

{

alert("You forgot to fill in the comments")
return false


}


st = document.fbform.ContactName.value

if (st=="")

{

alert("You forgot to fill in the your Name")
return false

}

st = document.fbform.JobTitle.value

if (st=="")

{

alert("You forgot to fill in your job title")
return false

}



st = document.fbform.CompanyName.value

if (st=="")

{

alert("You forgot to fill in your Company's name")
return false

}

st = document.fbform.CompanyAddress.value

if (st=="")

{

alert("You forgot to fill in your Company's Address.")
return false

}





st = document.fbform.EmailAddress.value


if (st=="") 
{

alert("You forgot to fill in your Email address") 


return false
}


if (st.indexOf('@',1)==-1)
{

alert("Invalid Email address")
return false
}

if (st.indexOf('.',1)==-1)
{

alert("Invalid Email address")
return false
}


st = document.fbform.TelNo.value

if (st=="")

{

alert("You forgot to fill in your Tel no")
return false

}

st = document.fbform.FaxNo.value

if (st=="")

{

alert("You forgot to fill in your Fax no")
return false

}




return true

}