//// Onload Events

var onload_events = new Array();

function set_onload(f)
{
  var i = onload_events.length;
  onload_events[i] = f;
}

function do_onload()
{
  if(onload_events.length == 0) return;

  for(var i=0; i<onload_events.length; i++)
  {
    eval(onload_events[i] + "()");
  }
}

onload=do_onload;

//// Return an Elements Position;

function find_pos(obj)
{
  var cur_left = cur_top = 0;

  if(obj.offsetParent)
  {
    cur_left = obj.offsetLeft;
    cur_top = obj.offsetTop;

    while (obj = obj.offsetParent)
    {
      cur_left += obj.offsetLeft;
      cur_top += obj.offsetTop;
    }
  }
  return [cur_left,cur_top];
}

//// Get A CSS Value

function get_style(el,el_css)
{
  var css_value = el.style[el_css];

  if(!css_value) // If it's not an inline style
  {
    if(el.currentStyle)
    {
      css_value = el.currentStyle[el_css];
    }
    else if(window.getComputedStyle)
    {
      css_value = document.defaultView.getComputedStyle(el,null).getPropertyValue(el_css);
    }
    else
    {
      css_value = null;
    }
  }

  return css_value;
}

///// Form Functions

function trim(s)
{
  return s.replace(/^\s+|\s+$/g, '');
}

function valid_email(ea)
{
  var email_reg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
  var regex = new RegExp(email_reg);
  return regex.test(ea);
  }

function validate(f,el,captcha)
{
  var address = trim(document.getElementById(el).value);
  var valid = (valid_email(address)) ? 1 : 0;

  if(!valid)
  {
    alert("\"" + address + "\" is not a valid email address. A valid email address is required to submit this form.");
    f.focus();
    f[el].select();
    return false;
  }
  else return true;
}

function form_focus()
{
  var f = document.forms[0];
  
  if(f == null)
    return;

  for(var i=0; i<f.elements.length; i++)
  {
    if(f.elements[i].type.indexOf("text") > -1 && f.elements[i].disabled != true)
    {
      f.elements[i].focus();
      break;
    }
  }
}

// Decided against loading the form focus onload
//set_onload("form_focus");

function toggle_search(obj,action)
{
  var input = obj;
  var default_text = "Search Site";

  if(action)
  {
    if(input.value == default_text)
    {
      input.value = "";
      input.style.color = "#30302f";
    }
  }
  else
  {
    if(input.value == "")
    {
      input.value = default_text;
      input.style.color = "#bbb";
    }
  }
}

///// Table Row Shading

function zebra_table()
{
  var t = document.getElementsByTagName("table");

  for(var i=0; i<t.length; i++)
  {
    if((t[i].className && t[i].className.indexOf("listing-table") > -1 || t[i].className && t[i].className.indexOf("option-table") > -1) &&  t[i].className && t[i].className.indexOf("no-zebra") < 0)
    {
      var r = t[i].rows;

      for(var j=0; j<r.length; j++)
      {
        if(r[j].className.indexOf("shade") > -1) r[j].className = r[j].className.replace("shade","");
        if(j%2 == 0) r[j].className+= " shade";
      }
    }
  }
}

set_onload("zebra_table");

///// Table Row Highlighting

function highlight_row()
{
  var t = document.getElementsByTagName("table");

  for(var i=0; i<t.length; i++)
  {
    if(t[i].className && t[i].className.indexOf("listing-table") > -1 || t[i].className && t[i].className.indexOf("border-table") > -1)
    {
      var table = t[i];

      for(var j=0; j<table.rows.length; j++)
      {
        table.rows[j].onmouseover = function()
        {
          if(this.className.length > 0)
          {
            this.className = this.className + " liter";
          }
          if(this.className == "")
          {
            this.className = "liter";
          }

          //alert("onmouseover: " + this.className);
        }
        table.rows[j].onmouseout = function()
        {
          //alert("onmouseout BEFORE: " + this.className);
          if(this.className.indexOf("liter") == 0)
          {
            //alert("liter");
            this.className = "";
          }
          if(this.className.indexOf(" liter"))
          {
            //alert(" liter");
            this.className = this.className.replace(" liter","");
          }

          //alert("onmouseout AFTER: " + this.className);
        }
      }
    }
  }
}

set_onload("highlight_row");

//// Table Sort

var SORT_COLUMN_INDEX;

function sortables_init() {
    // Find all tables with class sortable and make them sortable
    if (!document.getElementsByTagName) return;
    tbls = document.getElementsByTagName("table");
    for (ti=0;ti<tbls.length;ti++) {
        thisTbl = tbls[ti];
        if (((' '+thisTbl.className+' ').indexOf("listing-table") != -1) && ((' '+thisTbl.className+' ').indexOf("no-sort") < 0)) {
            //initTable(thisTbl.id);
            ts_makeSortable(thisTbl);
        }
    }
}

function ts_makeSortable(table) {
    if (table.rows && table.rows.length > 0) {
        var firstRow = table.rows[0];
    }
    if (!firstRow) return;
    
    // We have a first row: assume it's the header, and make its contents clickable links
    for (var i=0;i<firstRow.cells.length;i++) {
        var cell = firstRow.cells[i];
        var txt = ts_getInnerText(cell);
        cell.innerHTML = '<a href="javascript:void(0)" class="sort-header" onclick="ts_resortTable(this);return false;"><span class="sort-span">'+txt+'</span><span class="sortarrow"></span></a>';
    }
}

function ts_getInnerText(el) {
  if (typeof el == "string") return el;
  if (typeof el == "undefined") { return el };
  if (el.innerText) return el.innerText;  //Not needed but it is faster
  var str = "";
  
  var cs = el.childNodes;
  var l = cs.length;
  for (var i = 0; i < l; i++) {
    switch (cs[i].nodeType) {
      case 1: //ELEMENT_NODE
        str += ts_getInnerText(cs[i]);
        break;
      case 3:  //TEXT_NODE
        str += cs[i].nodeValue;
        break;
    }
  }
  return str;
}

function ts_resortTable(lnk) {
    // get the span
    var span;
    for (var ci=0;ci<lnk.childNodes.length;ci++) {
        if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];
    }
    var spantext = ts_getInnerText(span);
    var td = lnk.parentNode;
    var column = td.cellIndex;
    var table = getParent(td,'TABLE');
    
    // Work out a type for the column
    if (table.rows.length <= 1) return;
    var itm = ts_getInnerText(table.rows[1].cells[column]);
    sortfn = ts_sort_caseinsensitive;
    if (itm.match(/^\d{1,2}[\/-]\d{1,2}[\/-]\d{2,4}/)) sortfn = ts_sort_date;
    //if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/)) sortfn = ts_sort_date;
    if (itm.match(/^[£$]/)) sortfn = ts_sort_currency;
    if (itm.match(/^[\d\.]+$/)) sortfn = ts_sort_numeric;
    SORT_COLUMN_INDEX = column;
    var firstRow = new Array();
    var newRows = new Array();
    for (i=0;i<table.rows[0].length;i++) { firstRow[i] = table.rows[0][i]; }
    for (j=1;j<table.rows.length;j++) { newRows[j-1] = table.rows[j]; }

    newRows.sort(sortfn);

    if (span.getAttribute("sortdir") == 'down') {
         //ARROW = '&nbsp;&uarr;';
    ARROW = "<img src=\"/images/tables/sort-down.gif\" border=\"none\" width=\"9\" heigth=\"5\" alt=\"Column Sorted Descending\" />"
        newRows.reverse();
        span.setAttribute('sortdir','up');
    } else {
        //ARROW = '&nbsp;&darr;';
    ARROW = "<img src=\"/images/tables/sort-up.gif\" border=\"none\" width=\"9\" heigth=\"5\" alt=\"Column Sorted Ascending\" />"
        span.setAttribute('sortdir','down');
    }

    // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
    // don't do sortbottom rows
    for (i=0;i<newRows.length;i++) { if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('sortbottom') == -1))) table.tBodies[0].appendChild(newRows[i]);}
    // do sortbottom rows only
    for (i=0;i<newRows.length;i++) { if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1)) table.tBodies[0].appendChild(newRows[i]);}
    
    // Delete any other arrows there may be showing
    var allspans = document.getElementsByTagName("span");
    for (var ci=0;ci<allspans.length;ci++) {
        if (allspans[ci].className == 'sortarrow') {
            if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
                allspans[ci].innerHTML = '';
            }
        }
    }
        
    span.innerHTML = ARROW;
  zebra_table();
}

function getParent(el, pTagName) {
  if (el == null) return null;
  else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())  // Gecko bug, supposed to be uppercase
    return el;
  else
    return getParent(el.parentNode, pTagName);
}

function returnDate(s)
{
  var date_time = new Array(4);

  var ss = s.toLowerCase();

  // Does it have the time too?
  var just_month = (ss.indexOf(" ") == -1) ? true : false;

  // Which is is "/" or "-" as the delimeter
  var del = /^\d{1,2}[/]/;  
  del = (del.test(s)) ? "/" : "-";

  // Month
  date_time[0] = ss.substring(0,ss.indexOf(del));
  if(date_time[0].length < 2) date_time[0] = "0" + date_time[0];
  ss = ss.substring(ss.indexOf(del)+1,ss.length);

  // Date
  date_time[1] = ss.substring(0,ss.indexOf(del));
  if(date_time[1].length < 2) date_time[1] = "0" + date_time[1];
  ss = ss.substring(ss.indexOf(del)+1,ss.length);

  // Year
  date_time[2] = (just_month) ? ss.substring(0,ss.length) : ss.substring(0,ss.indexOf(" "));

  if(date_time[2].length < 3)
  {
    if(parseInt(date_time[2]) < 50) date_time[2] = "20" + date_time[2];
    else if(parseInt(date_time[2]) >= 50) date_time[2] = "19" + date_time[2];
  }

  if(!just_month)
  {
    ss = ss.substring(ss.indexOf(" "),ss.length);

    var meridian = false;

    if(ss.indexOf("pm") > -1)
    {
      ss = ss.replace("pm","");
      meridian = "PM";
    }
    if(ss.indexOf("am") > -1)
    {
      ss = ss.replace("am","");
      meridian = "AM";
    }

    ss = ss.replace(/^\s+|\s+$/g,"");

    var time  = ss.split(":");

    if(time[0] < 12 && meridian == "PM") time[0] = parseInt(time[0]) + 12;

    var the_time = (time[0] * 60) + parseInt(time[1]);

    var number_of_digits = 4
    var digits = new Array("0000","000","00","0","");

    date_time[3] =digits[the_time.toString().length].toString() + the_time.toString();
  }
  else
  {
    date_time[3] = "";
  }

  // It needs to be YEAR + MONTH + DAY

  var date_string = date_time[2] + date_time[0] + date_time[1] + date_time[3]

  return date_string;
}

function ts_sort_date(a,b)
{
    aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);

  dt1 = returnDate(aa);
  dt2 = returnDate(bb);

    if (dt1==dt2) return 0;
    if (dt1<dt2) return -1;
    return 1;
}

function ts_sort_currency(a,b) { 
    aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
    return parseFloat(aa) - parseFloat(bb);
}

function ts_sort_numeric(a,b) { 
    aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));
    if (isNaN(aa)) aa = 0;
    bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX])); 
    if (isNaN(bb)) bb = 0;
    return aa-bb;
}

function ts_sort_caseinsensitive(a,b) {
    aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();
    if (aa==bb) return 0;
    if (aa<bb) return -1;
    return 1;
}

function ts_sort_default(a,b) {
    aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
    bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
    if (aa==bb) return 0;
    if (aa<bb) return -1;
    return 1;
}

set_onload("sortables_init");

///// Page Tools

function print_page()
{
  if(window.print)
  {
    window.print();
    return;
  }
}

function email_link()
{
  var page_url = window.location.href;
  var page_title = document.getElementsByTagName("h1");
  var site = "One Truck";

  if(page_title[0].innerText)
  {
    page_name = page_title[0].innerText;
  }
  else
  {
    page_name = page_title[0].textContent;
  }

  var email_subject = "A Link To The " + site + " Website";
  var email_body = "A link to the '" + escape(page_name) + "' page at the " + site + " website has been sent to you. %0D%0DYou can visit this page at: " + page_url + "%0D%0DThank you.%0D%0D------------------------%0DThis email was auto generated from the " + site + " website.";
  window.location = "mailto:?subject=" + email_subject + "&body=" + email_body;
  return;
}

function get_window()
{
  // Window inner dimensions
  var window_x, window_y;

  if(self.innerHeight) // all except Explorer
  {
    //window_x = self.innerWidth;
    window_x = document.body.offsetWidth;
    window_y = self.innerHeight;
  }
  else if(document.documentElement && document.documentElement.clientHeight) // Explorer 6 Strict Mode
  {
    window_x = document.documentElement.clientWidth;
    window_y = document.documentElement.clientHeight;
  }
  else if (document.body) // other Explorers
  {
    window_x = document.body.clientWidth;
    window_y = document.body.clientHeight;
  }

  var window_dim = new Array(window_x, window_y);
  return window_dim;
}

// Used to add the gradient on the bottom of each page.
function set_container()
{
  var window_dim = get_window();
  var container = document.getElementById("container");

  if(container.offsetHeight < window_dim[1])
  {
    container.style.height = window_dim[1] + "px";
  }
}

set_onload("set_container");

function text_size(el,ix)
{
  var sizes = new Array(".85em","1em","1.15em");
  var article = document.getElementById("c-article");
  article.style.fontSize = sizes[ix];

  var div = document.getElementById("text-size");
  var a = div.getElementsByTagName("a");

  for(var i=0; i<a.length; i++)
  {
    a[i].className = "";
  }

  el.className = "on";
}

function get_photographs()
{
  var photos = new Array(
    "featured-photo-00.jpg",
    "featured-photo-01.jpg",
    "featured-photo-02.jpg",
    "featured-photo-03.jpg",
    "featured-photo-04.jpg",
    "featured-photo-05.jpg",
    "featured-photo-06.jpg",
    "featured-photo-07.jpg",
    "featured-photo-08.jpg",
    "featured-photo-09.jpg",
    "featured-photo-10.jpg",
    "featured-photo-11.jpg",
    "featured-photo-12.jpg"
    );
  return photos;
}

function get_photo_path()
{
  var photo_path = "/images/featured/"
  return photo_path;
}

function set_photograph()
{
  var photo = document.getElementById("c-article");

  //alert("hi");

  if(photo.className.indexOf("featured-photo") == -1) return; // If it's not there, don't do it.

  var photos = get_photographs(); // Found on each page
  var path = get_photo_path(); // Found on each page

  // Set the photograph
  var r_number = Math.floor(Math.random() * photos.length);
  photo.style.backgroundImage = "url(" + path + photos[r_number] + ")";
}