ZSMTurker's HIT Scraper Extended Fork

Template for specific scrapers.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @author	ZSMTurker
// @name        ZSMTurker's HIT Scraper Extended Fork
// @namespace   https://greasyfork.org/users/2291
// @description Template for specific scrapers.
// @match       https://www.mturk.com/mturk/findhits?match=true#zsmturker_hit_scraper_extended*
// @match       https://www.mturk.com/mturk/findhits?match=true?zsmturker_hit_scraper_extended*
// @require     http://code.jquery.com/jquery-latest.min.js
// @grant       GM_xmlhttpRequest
// @grant       GM_getValue
// @grant       GM_setValue
// @version     0.1
// ==/UserScript==

// -------------------- OPTIONS -------------------- //
//var ignore_list = ["SpeechInk, SirRejects-a-Lot"];
var ignore_list = [];

//display your hitdb records if applicable
var check_hitDB = true;

//default text size
var default_text_size=11;



var HITStorage = {};
var indexedDB = window.indexedDB || window.webkitIndexedDB ||
                window.mozIndexedDB;
window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.mozIDBTransaction;
window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.mozIDBKeyRange;
HITStorage.IDBTransactionModes = { "READ_ONLY": "readonly", "READ_WRITE": "readwrite", "VERSION_CHANGE": "versionchange" };
var IDBKeyRange = window.IDBKeyRange;

HITStorage.indexedDB = {};
HITStorage.indexedDB = {};
HITStorage.indexedDB.db = null;

HITStorage.indexedDB.onerror = function(e) {
  console.log(e);
};

var v=4;

HITStorage.indexedDB.checkTitle = function(title,button) {
  var request = indexedDB.open("HITDB", v);
	request.onsuccess = function(e) {
		HITStorage.indexedDB.db = e.target.result;
		var db = HITStorage.indexedDB.db;
    if (!db.objectStoreNames.contains("HIT"))
    {
      db.close();
      return;
    }
		var trans = db.transaction(["HIT"], HITStorage.IDBTransactionModes.READ_ONLY);
		var store = trans.objectStore("HIT");

		var index = store.index("title");
    index.get(title).onsuccess = function(event)
    {
      if (event.target.result === undefined)
      {
             console.log(title + ' not found');
        history[button].titledb=false;
      }
      else
      {
          console.log(title + ' found');
        history[button].titledb=true;
      }
      
      db.close();
    };
	};
	request.onerror = HITStorage.indexedDB.onerror;
};

HITStorage.indexedDB.checkRequester = function(id,button) {
  var request = indexedDB.open("HITDB", v);
	request.onsuccess = function(e) {
		HITStorage.indexedDB.db = e.target.result;
		var db = HITStorage.indexedDB.db;
    if (!db.objectStoreNames.contains("HIT"))
    {
      db.close();
      return;
    }
		var trans = db.transaction(["HIT"], HITStorage.IDBTransactionModes.READ_ONLY);
		var store = trans.objectStore("HIT");

		var index = store.index("requesterId");
    index.get(id).onsuccess = function(event)
    {
      if (event.target.result === undefined)
      {history[button].reqdb=false;
        console.log(id + ' not found');
      }
      else
      {
            history[button].reqdb=true;
        console.log(id + ' found');
      }
      db.close();
    };
	};
	request.onerror = HITStorage.indexedDB.onerror;
};

var PAGES_TO_SCRAPE = 1;
var MINIMUM_HITS = 100;
var SEARCH_REFRESH=0;
var URL_BASE = "/mturk/searchbar?searchWords=&selectedSearchType=hitgroups";
var initial_url = URL_BASE;
var TO_REQ_URL = "http://turkopticon.ucsd.edu/reports?id=";
var found_key_list=[];
var last_clear_time = new Date().getTime();
var searched_once = false;
var save_new_results_time = 120;
var save_results_time = 3600;
var default_type = 0;
var cur_loc = window.location.href;
var time_input = document.createElement("INPUT");
time_input.value = 0;
var page_input = document.createElement("INPUT");
page_input.value = 3;
var min_input = document.createElement("INPUT");
var new_time_display_input = document.createElement("INPUT");
new_time_display_input.value = 0;
var reward_input = document.createElement("INPUT");
var qual_input = document.createElement("INPUT");
qual_input.type = "checkbox";
qual_input.checked = true;
var masters_input = document.createElement("INPUT");
masters_input.type = "checkbox";
var sort_input1 = document.createElement("INPUT");
sort_input1.type = "radio";
sort_input1.name = "sort_type";
sort_input1.value = "latest";
sort_input1.checked = true;
var sort_input2 = document.createElement("INPUT");
sort_input2.type = "radio";
sort_input2.name = "sort_type";
sort_input2.value = "most";
var sort_input3 = document.createElement("INPUT");
sort_input3.type = "radio";
sort_input3.name = "sort_type";
sort_input3.value = "amount";

var search_input = document.createElement("INPUT");

var LINK_BASE = "https://www.mturk.com";
var BACKGROUND_COLOR = "#FAFAFA";
var STATUSDETAIL_DELAY = 250;
var MPRE_DELAY = 3000;

var next_page = 1;

var GREEN   = '#BAE6B8'; //  > 4
var YELLOW = '#FFFFCC';
var ORANGE  = '#E6CFB8'; //  > 2
var RED     = '#E6B8B8'; // <= 2
var BLUE    = '#B8CAE6'; // no TO
var GREY = 'lightGrey';
var BROWN = '#333333';
var DARKGREY = '#9F9F9F';

var no_link_underline = '<style> a {color:#333333;} </style>';
    $("head").append(no_link_underline);

var visited_link_styling = '<style> a {text-decoration:none;} </style>';
$('body').css('background', BACKGROUND_COLOR);

var API_PROXY_BASE = 'https://api.turkopticon.istrack.in/';
var API_MULTI_ATTRS_URL = API_PROXY_BASE + 'multi-attrs.php?ids=';
var REVIEWS_BASE = 'http://turkopticon.ucsd.edu/';

var control_panel_HTML = '<div id="control_panel" style="margin: 0 auto 0 auto;' +
                         'border-bottom: 1px solid #000000; margin-bottom: 5px; ' +
                         'background-color: ' + BACKGROUND_COLOR + ';"></div>';
$('body > :not(#control_panel)').hide(); //hide all nodes directly under the body
$('body').prepend(control_panel_HTML);

var control_panel = document.getElementById("control_panel");
var big_red_button = document.createElement("BUTTON");
var progress_report = document.createTextNode("Stopped");
var text_area = document.createElement("TABLE");
big_red_button.textContent = "Show Interface";
big_red_button.onclick =  function(){show_interface();};
control_panel.appendChild(big_red_button);

show_interface();

var global_run = false;
var statusdetail_loop_finished = false;
var date_header = "";
var history = {};
var wait_loop;

function set_progress_report(text, force)
{
    if (global_run == true || force == true)
    {
        progress_report.textContent = text;
    }
}

function get_progress_report()
{
    return progress_report.textContent;
}

function wait_until_stopped()
{
    if (global_run == true)
    {
        if (statusdetail_loop_finished == true)
        {
            big_red_button.textContent = "Start";
            set_progress_report("Finished", false);
        }
        else
        {
            setTimeout(function(){wait_until_stopped();}, 500);
        }
    }
}

function display_wait_time(wait_time)
{
    if (global_run == true)
    {
        var current_progress = get_progress_report();
        if (current_progress.indexOf("Searching again in")!==-1)
        {
            set_progress_report(current_progress.replace(/Searching again in \d+ seconds/ , "Searching again in " + wait_time + " seconds"),false);
        }
        else
            set_progress_report(current_progress + " Searching again in " + wait_time + " seconds.", false);
        if (wait_time>1)
            setTimeout(function(){display_wait_time(wait_time-1);}, 1000);
    }
}

function dispArr(ar)
{
    var disp = "";
    for (var z = 0; z < ar.length; z++)
    {
        disp += "id " + z + " is " + ar[z] + " ";
    }
    console.log(disp);
}

function scrape($src)
{
    var $requester = $src.find('a[href^="/mturk/searchbar?selectedSearchType=hitgroups&requester"]');
    var $title = $src.find('a[class="capsulelink"]');
    var $reward = $src.find('span[class="reward"]');
    var $preview = $src.find('a[href^="/mturk/preview?"]');
    var $qualified = $src.find('a[href^="/mturk/notqualified?"]');
    var not_qualified_group_IDs=[];
    $qualified.each(function(){
        var groupy = $(this).attr('href');
        groupy = groupy.replace("/mturk/notqualified?hitId=","");
        not_qualified_group_IDs.push(groupy);
    });
    var $mixed =  $src.find('a[href^="/mturk/preview?"],a[href^="/mturk/notqualified?"]');
    var listy =[];
    $mixed.each(function(){
        var groupy = $(this).attr('href');
        groupy = groupy.replace("/mturk/notqualified?hitId=","");
        groupy = groupy.replace("/mturk/preview?groupId=","");
        listy.push(groupy);
    });
    listy = listy.filter(function(elem, pos) {
        return listy.indexOf(elem) == pos;
    });

    for (var j = 0; j < $requester.length; j++)
    {
        var $hits = $requester.eq(j).parent().parent().parent().parent().parent().parent().find('td[class="capsule_field_text"]');
        var requester_name = $requester.eq(j).text().trim();
        var requester_link = $requester.eq(j).attr('href');
        var group_ID=listy[j];
        var preview_link = "/mturk/preview?groupId=" + group_ID;
        var title = $title.eq(j).text().trim();
        var reward = $reward.eq(j).text().trim();
        var hits = $hits.eq(4).text().trim();
        var requester_id = requester_link.replace('/mturk/searchbar?selectedSearchType=hitgroups&requesterId=','');
        var accept_link;
        accept_link = preview_link.replace('preview','previewandaccept');

        key = requester_name+title+reward+group_ID;
        found_key_list.push(key);
        if (history[key] == undefined)
        {
            history[key] = {requester:"", title:"", reward:"", hits:"", req_link:"", prev_link:"", rid:"", acc_link:"", new_result:"", qualified:"", found_this_time:"", initial_time:"", reqdb:"",titledb:""};
            history[key].req_link = requester_link;
            history[key].prev_link = preview_link;
            history[key].requester = requester_name;
            history[key].title = title;
            history[key].reward = reward;
            history[key].hits = hits;
            history[key].rid = requester_id;
            history[key].acc_link = accept_link;
			HITStorage.indexedDB.checkRequester(requester_id,key);
			HITStorage.indexedDB.checkTitle(title,key);
            if (searched_once)
            {
                history[key].initial_time = new Date().getTime();//-1000*(save_new_results_time - SEARCH_REFRESH);
                history[key].new_result = 0;
            }
            else
            {
                history[key].initial_time = new Date().getTime()-1000*save_new_results_time;
                history[key].new_result = 1000*save_new_results_time;
            }
            if (not_qualified_group_IDs.indexOf(group_ID)!==-1)
                history[key].qualified = false;
            else
                history[key].qualified = true;

            history[key].found_this_time = true;
        }
        else
        {
            history[key].new_result = new Date().getTime() - history[key].initial_time;
            history[key].found_this_time = true;
            history[key].hits = hits;
        }
    }
}

function statusdetail_loop(next_URL)
{
    if (global_run == true)
    {
        if (next_URL.length != 0)
        {
            $.get(next_URL, function(data)
            {
                var $src = $(data);
                var maxpagerate = $src.find('td[class="error_title"]:contains("You have exceeded the maximum allowed page request rate for this website.")');
                if (maxpagerate.length == 0)
                {
                    set_progress_report("Processing page " + next_page, false);
                    scrape($src);
        
                    $next_URL = $src.find('a[href^="/mturk/viewsearchbar"]:contains("Next")');
                    next_URL = ($next_URL.length != 0) ? $next_URL.attr("href") : "";
                    next_page++;
                    if (default_type == 1)
                    {
                        var hmin = MINIMUM_HITS+1;
                        for (j = 0; j < found_key_list.length; j++)
                        {
                            if (history[found_key_list[j]].hits < hmin)
                            {
                                next_URL = "";
                                next_page = -1;
                                break;
                            }
                        }
                    }
                    else if (next_page > PAGES_TO_SCRAPE)
                    {
                        next_URL = "";
                        next_page = -1;
                    }
                    
                    setTimeout(function(){statusdetail_loop(next_URL);}, STATUSDETAIL_DELAY);
                }
                else
                {
                    console.log("MPRE");
                    setTimeout(function(){statusdetail_loop(next_URL);}, MPRE_DELAY);
                }
            });
        }
        else
        {
            searched_once = true;
            var found_hits = found_key_list.length;
            var shown_hits = 0;
            var new_hits = 0;
            var url = API_MULTI_ATTRS_URL;
            var rids = [];
            var lastRow = text_area.rows.length - 1;
            //for (i = lastRow; i>0; i--)
            //    text_area.deleteRow(i);
            for (j = 0; j < found_key_list.length; j++)
            {
                var obj = history[found_key_list[j]];
                if (ignore_check(obj.requester,obj.title) && obj.found_this_time){
                    ++shown_hits;
                    var col_heads = ["<a href='"+ LINK_BASE+obj.req_link +"' target='_blank'>" + obj.requester + "</a>","<a href='"+ LINK_BASE+obj.prev_link +"' target='_blank'>" + obj.title + "</a>",obj.reward,obj.hits,"TO down","<a href='"+ LINK_BASE+obj.acc_link +"' target='_blank'>Accept</a>"];
                    var row = text_area.insertRow(text_area.rows.length - lastRow);
                    url += obj.rid + ',';
                    rids.push(obj.rid);
					if (check_hitDB)
					{
						col_heads.push("R");
						col_heads.push("T");
					}
                    if (!obj.qualified)
                    {
                        col_heads.push("Not Qualified");
                    }
                    for (i=0; i<col_heads.length; i++)
                    {
                        var this_cell = row.insertCell(i);
						row.cells[i].style.fontSize = default_text_size;
                        this_cell.innerHTML = col_heads[i];
                        if(i>1)
                            this_cell.style.textAlign = 'center';
						if (check_hitDB)
						{
							if (i==6)
							{
								if (obj.reqdb)
									this_cell.style.backgroundColor = GREEN;
								else
									this_cell.style.backgroundColor = RED;
							}
							else if (i==7)
							{
								if (obj.titledb)
									this_cell.style.backgroundColor = GREEN;
								else
									this_cell.style.backgroundColor = RED;
							}
							else if (i==8)
								this_cell.style.backgroundColor = DARKGREY;
						}
						else if (i==6)
							this_cell.style.backgroundColor = DARKGREY;
                    }
                    if (Object.keys(history).length>0)
                    {
                        if (obj.new_result < 1000*save_new_results_time)
                        {
                            new_hits++;
                            for (i in col_heads)
                            {
                                row.cells[i].style.fontSize = default_text_size + 1;
                                row.cells[i].style.fontWeight = "bold";
                            }
                        }
                    }
                }
            }
            
            // Create an empty <tr> element and add it to the 1st position of the table:
            var row = text_area.insertRow(text_area.rows.length - lastRow);
            
            // Insert new cells (<td> elements) at the 1st and 2nd position of the "new" <tr> element:
            var cell1 = row.insertCell(0);
            var cell2 = row.insertCell(1);
            var cell3 = row.insertCell(2);
            var cell4 = row.insertCell(3);
            var cell5 = row.insertCell(4);
            var cell6 = row.insertCell(5);
            
            
            // Add some text to the new cells:
            cell1.innerHTML = "------------------------------";
            cell2.innerHTML = "----------------------------------------------------------------------------------------------------";
            cell3.innerHTML = "----------";
            cell4.innerHTML = "----------";
            cell5.innerHTML = "----------";
            cell6.innerHTML = "----------";
            set_progress_report("Scrape complete. " + shown_hits + " HITs found (" + new_hits + " new results). " + (found_hits - shown_hits) + " HITs ignored.", false);
            url = url.substring(0,url.length - 1);
            var success_flag = false;
            GM_xmlhttpRequest(
            {
                method: "GET",
                url: url,
                onload: function (results)
                {
                    rdata = $.parseJSON(results.responseText);
                    for (i = 0; i < rids.length; i++)
                    {
                        text_area.rows[i+1].style.backgroundColor = BLUE;
                        if (rdata[rids[i]])
                        {
                            var reviews = rdata[rids[i]].reviews
                            var fair = rdata[rids[i]].attrs.fair;
                            var pay = rdata[rids[i]].attrs.pay;
                            text_area.rows[i+1].cells[4].innerHTML = "<a href='"+ TO_REQ_URL+rids[i] +"' target='_blank'>" + pay + "</a>";
                            if (reviews > 4)
                            {
                                if (fair > 3.99)
                                    text_area.rows[i+1].style.backgroundColor = GREEN;
                                else if (fair > 2.99)
                                    text_area.rows[i+1].style.backgroundColor = YELLOW;
                                else if (fair > 1.99)
                                    text_area.rows[i+1].style.backgroundColor = ORANGE;
                                else if (fair > 0.99)
                                    text_area.rows[i+1].style.backgroundColor = RED;
                             }
                        }
                        else
                        {
                            text_area.rows[i+1].cells[4].innerHTML = "No data";
                        }
                    }
                    success_flag = true;
                 }
            });
            if (!success_flag)
                for (i = 0; i < rids.length; i++) text_area.rows[i+1].style.backgroundColor = GREY;
            
            statusdetail_loop_finished = true;
            if (SEARCH_REFRESH>0)
            {
                wait_loop = setTimeout(function(){if (global_run) start_it();}, 1000*SEARCH_REFRESH);
                display_wait_time(SEARCH_REFRESH);
            }
            else
            {
                global_run = false;
                big_red_button.textContent = "Start";
            }
        }
    }
}

function ignore_check(r,t){
    if (ignore_list.indexOf(r)==-1)
    {
        return true;
    }
    return false;
}

function start_running()
{
    if (big_red_button.textContent == "Start")
    {
        global_run = true;
        initial_url = URL_BASE;
        if (search_input.value.length>0)
        {
            initial_url = initial_url.replace("searchWords=", "searchWords=" + search_input.value);
        }
        if (time_input.value.replace(/[^0-9]+/g,"") != "")
        {
            SEARCH_REFRESH = Number(time_input.value);
        }
        if (page_input.value.replace(/[^0-9]+/g,"") != "")
        {
            PAGES_TO_SCRAPE = Number(page_input.value);
        }
        if (min_input.value.replace(/[^0-9]+/g,"") != "")
        {
            MINIMUM_HITS = Number(min_input.value);
        }
        if (new_time_display_input.value.replace(/[^0-9]+/g,"") != "")
        {
            save_new_results_time = Number(new_time_display_input.value);
        }
        if (reward_input.value.replace(/[^0-9]+/g,"") != "")
        {
            initial_url += "&minReward=" + reward_input.value;
        }
        else
        {
            initial_url += "&minReward=0.00";
        }
        if (qual_input.checked)
        {
            initial_url += "&qualifiedFor=on"
        }
        else
        {
            initial_url += "&qualifiedFor=off"
        }
		if (masters_input.checked)
        {
            initial_url += "&requiresMasterQual=on"
        }
        if (sort_input1.checked)
        {
            initial_url+= "&sortType=LastUpdatedTime%3A1";
            default_type = 0;
        }
        else if (sort_input2.checked)
        {
            initial_url+= "&sortType=NumHITs%3A1";
            default_type = 1;
        }
        else if (sort_input3.checked)
        {
            initial_url+= "&sortType=Reward%3A1";
            default_type = 0;
        }
        
        initial_url+="&pageNumber=1&searchSpec=HITGroupSearch"
        start_it();
    }
    else
    {
        global_run = false;
        clearTimeout(wait_loop);
        big_red_button.textContent = "Start";
        set_progress_report("Stopped", true);
    }
}

function start_it()
{
    statusdetail_loop_finished = false;
    big_red_button.textContent = "Stop";
    found_key_list=[];
    var ctime = new Date().getTime()
    if (ctime - last_clear_time > save_results_time*666)
    {
        var last_history=history;
        history = {};
        for (var key in last_history)
        {
            if (last_history[key].new_result<save_results_time*1000)
            {
                history[key]=last_history[key];
                if (last_history[key].found_this_time)
                {
                    last_history[key].found_this_time = false;
                    if (last_history[key].new_result>save_new_results_time*1000)
                        last_history[key].initial_time = ctime-1000*save_new_results_time;
                }
            }

        }
        last_clear_time = ctime;
    }
    next_page = 1;
    statusdetail_loop(initial_url);
}


function show_interface()
{
    control_panel.style.color = BROWN;
    control_panel.style.fontSize = 14;
    control_panel.removeChild(big_red_button);
    control_panel.appendChild(document.createTextNode("Auto-refresh delay: "));
    time_input.onkeydown = function(event){if (event.keyCode == 13){start_running();}};
    time_input.title = "Enter search refresh delay in seconds\n" + "Enter 0 for no auto-refresh\n" + "Default is 0 (no auto-refresh)";
    time_input.size = 3;
    control_panel.appendChild(time_input);
    
    control_panel.appendChild(document.createTextNode("   "));
    
    control_panel.appendChild(document.createTextNode("Pages to scrape: "));
    page_input.onkeydown = function(event){if (event.keyCode == 13){start_running();}};
    page_input.title = "Enter number of pages to scrape\n" + "Default is 4";
    page_input.size = 3;
    control_panel.appendChild(page_input);
    
    control_panel.appendChild(document.createTextNode("   "));
    
    control_panel.appendChild(document.createTextNode("Minimum batch size: "));
    min_input.onkeydown = function(event){if (event.keyCode == 13){start_running();}};
    min_input.title = "Enter minimum HITs for batch search\n" + "Default is 100";
    min_input.size = 3;
    control_panel.appendChild(min_input);
    control_panel.appendChild(document.createTextNode("   "));
    
    control_panel.appendChild(document.createTextNode("New HIT highlighting: "));
    new_time_display_input.onkeydown = function(event){if (event.keyCode == 13){start_running();}};
    new_time_display_input.title = "Enter time (in seconds) to keep new HITs highlighted\n" + "Default is 300 (5 minutes)";
    new_time_display_input.size = 6;
    control_panel.appendChild(new_time_display_input);
    
    control_panel.appendChild(document.createElement("P"));
    control_panel.appendChild(document.createTextNode("Minimum reward: "));
    reward_input.size = 6;
    control_panel.appendChild(reward_input);
    control_panel.appendChild(document.createTextNode("   "));

    control_panel.appendChild(document.createTextNode("Qualified"));
    control_panel.appendChild(qual_input);
    control_panel.appendChild(document.createTextNode("     "));
	control_panel.appendChild(document.createTextNode("Masters"));
    control_panel.appendChild(masters_input);
    control_panel.appendChild(document.createTextNode("     "));
    control_panel.appendChild(document.createTextNode("Sort types:   "));
    control_panel.appendChild(sort_input1);
    control_panel.appendChild(document.createTextNode("Latest"));
    control_panel.appendChild(sort_input2);
    control_panel.appendChild(document.createTextNode("Most Available"));
    control_panel.appendChild(sort_input3);
    control_panel.appendChild(document.createTextNode("Amount"));
       
    control_panel.appendChild(document.createElement("P"));
    
    control_panel.appendChild(search_input);
    search_input.size = 20;
    search_input.title = "Enter a search term to include\n" + "Default is blank (no included terms)";
    search_input.placeholder="Enter search terms here";
    
    control_panel.appendChild(document.createTextNode("   "));
    
    big_red_button.textContent = "Start";
    big_red_button.onclick = function(){start_running();};
    
    control_panel.appendChild(big_red_button);
   
    control_panel.appendChild(document.createTextNode("   "));
    control_panel.appendChild(progress_report);
     
    control_panel.appendChild(document.createElement("P"));
    
    text_area.style.fontWeight = 400;
    text_area.createCaption().innerHTML = "HITs";
    var col_heads = ['Requester','Title','Reward','HITs Available','TO pay',"Accept HIT"];
    var row = text_area.createTHead().insertRow(0);
    text_area.caption.style.fontWeight = 800;
    text_area.caption.style.color = BROWN;
	if (default_text_size > 10)
		text_area.cellPadding=Math.min(Math.max(1,Math.floor((default_text_size-10)/2)),5);
    console.log(text_area.cellPadding);
    //text_area.cellPadding=2;
    text_area.caption.style.fontSize = 28;
    text_area.rows[0].style.fontWeight = 800;
    text_area.rows[0].style.color = BROWN;
    for (i=0; i<col_heads.length; i++)
    {
        var this_cell = row.insertCell(i);
        this_cell.innerHTML = col_heads[i];
        this_cell.style.fontSize = 14;
        if (i > 1)
            this_cell.style.textAlign = 'center';
    }
    
    control_panel.appendChild(text_area);
}