validation form

#mname { color:#0033FF; font-size:12px; visibility:hidden; position:absolute;
top:150px;
left: 280px;


function check (form)
{
//its for name
if (form.name.value =="")
{
document.getElementById("name").style.backgroundColor="#E2F3FA";
form.name.focus();
document.all.mname.style.visibility="visible";
return false ;
}
else
{document.all.mname.style.visibility="hidden";}
return true ;
}

fill your name