function nameOK(name)
{
var ch;
var i;
if (name.length < 3) return false;
if (name.length > 14) return false;
for (i=0; i<name.length; i++)
{
ch=name.charAt(i);
if ( i==0 && !((ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9')) || ch==' ' ) return false;
else if (!((ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9') || (ch=='_') || (ch=='-')) || ch==' ') return false;
}
return true;
}