// ==UserScript==
// @name       Snagajob Highlighter 3
// @version    0.2
// @author     Cristo
// @description  enter something useful
// @include      *
// @copyright  2012+, You
// @namespace https://greasyfork.org/users/1973
// @downloadURL none
// ==/UserScript==

var page = document.getElementById("mturk_form");
var pageText = page.getElementsByTagName("p")[3];
var raw = page.getElementsByTagName("p")[5];
var inText = raw.innerHTML;
var done = inText.split("\"")[1];
var keyArr = done.split(" ");
var inerText = pageText.innerHTML;
var yRadio = page.getElementsByTagName("input")[1];
var nRadio = page.getElementsByTagName("input")[2];
var sub = page.getElementsByTagName("input")[3];
var cI = 0;

page.tabIndex = "0";
page.focus();

while (cI < keyArr.length) {
	var base = new RegExp(keyArr[cI],"g" + "i");
	var chk = (inerText.match(base) || []).length;
		if (chk >= 0 && chk < 6) {
			var reText = '<mark style="background-color:red;">' + keyArr[cI] + '</mark>';
			pageText.innerHTML = pageText.innerHTML.replace(base, reText);
			cI++;
		}else {		
			cI++;
        }
}

document.addEventListener( "keydown", kas, false);
function kas(i) {
if (i.keyCode == 83) { //S Key - Fills Yes
       yRadio.checked = true;
	}
if (i.keyCode == 70) { //F Key - Fills No
       nRadio.checked = true;
	}
if (i.keyCode == 69) { //E Key - Submit
		sub.click();
	}
    if (i.keyCode== 191) { //? Key - Shows Keys
    	alert("S Key - Yes\nF Key - No\nE Key - Submit"); 
    }
}