Takes a query string with multiple parameters of the same name ("word1", "word2", etc.) and inserts these values into a textbox.

similarParams.js

var getQueryParams = function () {
    var params = [];
    var query = window.location.search;
    query = query.slice(1, query.length);
    var nv = query.split('&');
    for (var i = 0; i < nv.length; i++) {
        var q = nv[i].split('=');
        params[q[0]] = q[1];
    }
    return params;
};
var p = getQueryParams();
var word = "word";
var wordValues = "";
var x = 1;
var y = 0;
var array = [];
getWordValues(p);

function getWordValues(p) {
    for (var item in p) {
        var index = word + x;
        array.push(p[index]);
        x++;
    }
    var values = storeWordValues(array);
    insertWord(values);
    return;
}

function storeWordValues(array) {
    for (var item in array) {
        wordValues = wordValues + array[y] + ", ";
        y++;
    }
    wordValues = wordValues.replace(/,\s*$/, "");
    return wordValues;
}

function insertWordValues(text) {
    var TheTextBox = document.getElementById("target_textbox");
    TheTextBox.value = TheTextBox.value + text;
}