<script languange="javascript>
function send(){
    url = "test.php?n1=" + document.test.n1.value + "n2=" +document.test.n2.value;
    window.open(url,"");
}
</script><form name="test">
<input  type="text"  name="n1">
<input type="text"   name="n2">
....
<input  type="submit"  name="submit"  onclick="send()">
</form>