// aboriginal_language_regions.js
// Javascript to accompany aboriginal_language_regions.html
// RJM Programming
// June, 2015

window.onload = doonload;

function doonload() {
  var was=document.body.innerHTML;
  var ah, ahspare, j;
  var is="";
  if (was.indexOf("<" + "table") == -1) {
    var bits=was.split("<area ");
    is = "<div id='mydiv'><table><tr><td><select id='mysel' onchange='selchange(this);'><option value=''>Google Web Search</option><option value='People'>People</option><option value='Welcome to Country'>Welcome to Country</option><option value='Land'>Land</option><option value='Dreamtime Stories and Paintings'>Dreamtime Stories and Paintings</option><option value='Tradition'>Tradition</option><option value='Sacred Sites'>Sacred Sites</option><option value='Arts and Culture'>Arts and Culture</option><option value='Sport'>Sport</option></select>&nbsp;&nbsp;<input id='cbi' type='checkbox' value='Images'>Images</input>&nbsp;&nbsp;<input id='cbv' type='checkbox' value='Videos'>Videos</input></td></tr><tr><td>" + bits[0];
    for (var i=1; i<bits.length; i++) {
      ah = bits[i].split("/>");
      //alert(ah[0]);
      if (ah[0].indexOf(">") != -1) {
        ahspare = ah[0].split(">");
        is += "<area " + ahspare[0] + ' onclick="oc(' + "'" + ahspare[0].replace(/=/g,"_").replace(/"/g,"~") + "'" + ');"';
        for (j=1; j<ahspare.length; j++) {
          is += '>' + ahspare[j];
        }
        if (ah.length > 1) is += ah[1];
      } else {
        is += "<area " + ah[0] + ' onclick="oc(' + "'" + ah[0].replace(/=/g,"_").replace(/"/g,"~") + "'" + ');" />' + ah[1];
      }
    }
    is += "</td></tr></table></div>";
    document.body.innerHTML = is;
  }
}

function oc(coordsare) {
  if (1 == 2) alert(coordsare);
}

function selchange(osel) {
  var ov=osel.value;
  var oi=osel.id;
  var cbio=document.getElementById('cbi');
  var cbiv=cbio.checked;
  var cbvo=document.getElementById('cbv');
  var cbvv=cbvo.checked;
  var was=document.body.innerHTML;
  if (cbiv) {
    was = was.replace(/q=/g, "source=lnms&tbm=isch&sa=X&ei=&q=");
  } else if (cbvv) {
    was = was.replace(/q=/g, "source=lnms&tbm=vid&sa=X&ei=&q=");
  }   document.body.innerHTML = was.replace(/" target="_blank"/g, "+'" + ov.replace(/ /g, "%20") + "'" + '" target="_blank"');
  document.getElementById(oi).value = ov;
  document.getElementById('cbi').checked = cbiv;
  document.getElementById('cbv').checked = cbvv;
}