JS Drop-down List Pass Value code

<select name= "name" onchange= "document.getelementsbyname (' fax ') [0].value=this.value" >
<option value= "" > Please select </option>
<option value= "USA" >1</option>
<option value= "China" >2</option>
</select>

Example Two.

<input type= "text" name= "fax" size= ">

<select name= "name" onchange= "Test (this);" >
<option value= "1" > USA </option>
<option value= "2" > China </option>
</select>

<input type= "text" name= "Fax" id= "Fax" size= ">"
<script>
function Test (o) {
var index = O.selectedindex;
var text = O.options[index].text;

document.getElementById ("Fax"). value = text;
}
</script>

Example Three.

<script>
function SELECTC ()
{
var osel=document.getelementsbyname ("name") [0];
var oinp=document.getelementsbyname ("fax") [0];
var Value=osel.options[osel.selectedindex].value;
if (parseint (Value) >0)
Oinp.value= "LII" +value+ "&FileName&";
Else
Oinp.value= "";
}

</script>
<select name= "name" onchange= "SELECTC ()" >
<option selected>-Please select-</option>
<option value= "1" > USA </option>
<option value= "2" > China </option>
</select>

<input type= "text" name= "fax" size= ">