function convert()

{
var loc = document.location.toString();
loc = loc.substring(7,loc.length);
var idx;
idx = document.trans.langpair.selectedIndex;
if (idx<=0) 
{
alert("Please select a language.");
return false;
}
else{
window.open('http://translate.google.com/translate_c?langpair=' + document.trans.langpair.options[idx].value + "&u=" + document.location,"new_trans");
return false;
}
}