// gettopost.js
// RJM Programming
// December, 2016
// Functionality to go from get parameters to post parameters when too much data

var threedivids=["page1","page2","page3"];

function thenclickit() {
  document.getElementById('spressthis').click();
}

function maybegettopost(instg, overlayit) {
  var stylebits="", eqbits, formbits="<form target='gettopostiframe' action='' method='POST' enctype='multipart/form-data'><input type='submit' id='spressthis'></input></form>"; //  enctype='multipart/form-data'
  if (overlayit) stylebits=" style='width:100%;height:100%;' ";
  if (instg.length > 800) {
    var ulbits=instg.split('?');
    if (ulbits.length == 1) {
      return instg;
    } else {
      document.getElementById(threedivids[1]).innerHTML="<iframe src='about:blank' id='gettopostiframe' name='gettopostiframe' " + stylebits + " title='Do calendar work'></iframe>";
      var hashulbits=ulbits[1].split('#');
      if (hashulbits.length == 1) {
        formbits=formbits.replace("action=''", "action='" + ulbits[0] + "'");
      } else {
        formbits=formbits.replace("action=''", "action='" + ulbits[0] + "#" + hashulbits[1] + "'");
      }
      var postulbits=hashulbits[0].split('&');
      for (var ipo=0; ipo<postulbits.length; ipo++) {
        eqbits=postulbits[ipo].split('=');
        while (eqbits[1].indexOf(String.fromCharCode(10)) != -1) {
          eqbits[1]=eqbits[1].replace(String.fromCharCode(10), "");
        }
        if (eqbits[1].indexOf(' ') != -1) eqbits[1]=encodeURIComponent(eqbits[1]);
        if (ulbits[0].indexOf("ics_attachment.php") !== -1 && eqbits[0].indexOf("date") == 0) eqbits[1]=eqbits[1].replace('%3A',':');
        if (ulbits[0].indexOf("timeline_chart.php") !== -1 && eqbits[0].indexOf("data") == 0) eqbits[1]=eqbits[1].replace(/newDate/g,'new%20Date');
        formbits=formbits.replace("</form>", "<input type='hidden' id='" + eqbits[0] + "' name='" + eqbits[0] + "' value='" + eqbits[1] + "'></input></form>");
      }
      if (overlayit) {
        document.getElementById(threedivids[0]).style.zIndex='-9';
        document.getElementById(threedivids[0]).style.display='none';
        document.getElementById(threedivids[2]).style.zIndex='-9';
        document.getElementById(threedivids[2]).style.display='none';
        document.getElementById(threedivids[1]).style.zIndex='9';
        document.getElementById(threedivids[1]).style.display='block';
      }
      document.getElementById(threedivids[2]).innerHTML=formbits;
      if (overlayit) {
        setTimeout(thenclickit, 1000);
      } else {
        document.getElementById('spressthis').click();
        //alert(formbits);
      }
    }
    return 'about:blank';
  }
  return instg;
}

function findFirstDiffPos(a, b) { // thanks to http://stackoverflow.com/questions/32858626/detect-position-of-first-difference-in-2-strings
   var shorterLength = Math.min(a.length, b.length);
   for (var i = 0; i < shorterLength; i++) {
       if (a[i] !== b[i]) return i;
   }
   if (a.length !== b.length) return shorterLength;
   return -1;
}

// Enforces HTML div "jigsaw" concepts of http://www.rjmprogramming.com.au/ITblog/html-div-overlay-jigsaw-talents-primer-tutorial/
function lookforjigsaw() {
 var sparebih='', ird, restdiv='', newzero=0, klj=0, dvs=[], predvs=document.getElementsByTagName('div'), dvslength=predvs.length;
 if (predvs.length > 0) {
   for (ird=0; ird<predvs.length; ird++) {
     if (ird > 0) {
      if (predvs[newzero].innerHTML.indexOf(predvs[ird].outerHTML) == -1) {
       restdiv+=predvs[ird].outerHTML;
       dvs.push(predvs[ird]);
       newzero=ird;
      } else {
       dvslength--;
      }
     } else {
      dvs.push(predvs[ird]);
     }
   }
   if (document.body.innerHTML.indexOf(dvs[0].outerHTML) == 0 && Math.abs(eval(dvs[0].outerHTML.length - document.body.innerHTML.length)) <= eval(2 + restdiv.length)) {
     if (restdiv == '') {
       if (('' + dvs[0].id) == '') {
         document.body.innerHTML=document.body.innerHTML.replace('<div', '<div id="page1"') + "<div id='page2' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div><div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
       } else {
         document.body.innerHTML+="<div id='page2' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div><div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
       }
     } else if (dvslength == 2) {
       if (('' + dvs[0].id) == '' && ('' + dvs[1].id) == '') {
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV id="page1"');
         sparebih=sparebih.replace('<div', '<div id="page2"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div') + "<div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
       } else if (('' + dvs[0].id) == '') {
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<div id="page1"');
         document.body.innerHTML=sparebih + "<div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
         threedivids[1]='' + dvs[1].id;
       } else if (('' + dvs[1].id) == '') {
         threedivids[0]='' + dvs[0].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<div id="page2"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div') + "<div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
       } else {
         threedivids[0]='' + dvs[0].id;
         threedivids[1]='' + dvs[1].id;
         document.body.innerHTML+="<div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
       }
     } else {
       if (('' + dvs[0].id) == '' && ('' + dvs[1].id) == '' && ('' + dvs[2].id) == '') {
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV id="page1"');
         sparebih=sparebih.replace('<div', '<DIV id="page2"');
         sparebih=sparebih.replace('<div', '<div id="page3"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div').replace('<DIV', '<div');
       } else if (('' + dvs[0].id) != '' && ('' + dvs[1].id) != '' && ('' + dvs[2].id) != '') {
         threedivids[0]='' + dvs[0].id;
         threedivids[1]='' + dvs[1].id;
         threedivids[2]='' + dvs[2].id;
       } else if (('' + dvs[0].id) != '' && ('' + dvs[1].id) == '' && ('' + dvs[2].id) == '') {
         threedivids[0]='' + dvs[0].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<DIV id="page2"');
         sparebih=sparebih.replace('<div', '<div id="page3"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div').replace('<DIV', '<div');
       } else if (('' + dvs[0].id) == '' && ('' + dvs[1].id) != '' && ('' + dvs[2].id) == '') {
         threedivids[1]='' + dvs[1].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV id="page1"');
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<div id="page3"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div').replace('<DIV', '<div');
       } else if (('' + dvs[0].id) == '' && ('' + dvs[1].id) == '' && ('' + dvs[2].id) != '') {
         threedivids[2]='' + dvs[2].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV id="page1"');
         sparebih=sparebih.replace('<div', '<div id="page2"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div');
       } else if (('' + dvs[0].id) != '' && ('' + dvs[1].id) != '' && ('' + dvs[2].id) == '') {
         threedivids[0]='' + dvs[0].id;
         threedivids[1]='' + dvs[1].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<div id="page3"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div').replace('<DIV', '<div');
       } else if (('' + dvs[0].id) == '' && ('' + dvs[1].id) != '' && ('' + dvs[2].id) != '') {
         threedivids[1]='' + dvs[1].id;
         threedivids[2]='' + dvs[2].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV id="page1"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div');
       } else if (('' + dvs[0].id) != '' && ('' + dvs[1].id) == '' && ('' + dvs[2].id) != '') {
         threedivids[0]='' + dvs[0].id;
         threedivids[2]='' + dvs[2].id;
         sparebih=document.body.innerHTML;
         sparebih=sparebih.replace('<div', '<DIV');
         sparebih=sparebih.replace('<div', '<div id="page2"');
         document.body.innerHTML=sparebih.replace('<DIV', '<div');
       }
     }
   } else {
     document.body.innerHTML="<div id='page1'>" + document.body.innerHTML + "</div><div id='page2' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div><div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
   }
 } else {
   document.body.innerHTML="<div id='page1'>" + document.body.innerHTML + "</div><div id='page2' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div><div id='page3' style='position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:-3;display:none;'></div>";
 } 
 //alert("threedivids[0]=" + threedivids[0] + " and threedivids[1]=" + threedivids[1] + " and threedivids[2]=" + threedivids[2]);
}

setTimeout(lookforjigsaw, 1000);