Country wise redirection to files

**how can i redirect a file to another file on the basis of countries? I'm using this code, please correct if i am wrong**

<script language="JavaScript" src="http://www.geoplugin.net/javascript.gp" type="text/javascript"></script>
 <script language="JavaScript">
 var country= geoplugin_countryCode();

if(country == "ES" || country == "FR")
{
<!--
window.top.location = "https://www.website/f/index2.php"

//-->
}
else{}

if(country == "DE")
{
<!--
window.top.location = "https://www.website/f/index3.php"

//-->
}
else{}

if(country == "GR")
{
<!--
window.top.location = "https://www.website/f/index4.php"

//-->
}
else{}

if(country == "NL"  || country == "BE"  || country == "AW")
{
<!--
window.top.location = "https://www.website/f/index6.php"

//-->
}
else{}

if(country == "PL")
{
<!--
window.top.location = "https://www.website/f/index5.php"

//-->
}
else{<!--
window.top.location = "https://www.website/f/index.php"

//-->}

</script>