/*
add text to where the cursor is located in a textarea (and focus on it)
this also replaces any selected text!
this function taken from https://stackoverflow.com/a/11077016
with minor changes
myField: which textarea to change (in this file, it's gonna be COMMENT)
myValue: what text to add
*/
function insertAtCursor(myField, myValue) {
    //IE support
    if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = myValue;
    }
    //MOZILLA and others
    else if (myField.selectionStart || myField.selectionStart === 0) {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        myField.value = myField.value.substring(0, startPos)
            + myValue
            + myField.value.substring(endPos, myField.value.length);
		myField.selectionStart = startPos + myValue.length;
		myField.selectionEnd = startPos + myValue.length;
		myField.focus();
    } else {
        myField.value += myValue;
    }
}

function insertThisInThere(thisChar, thereId) {
/*
  function theCursorPosition(ofThisInput) {
    // set a fallback cursor location
    var theCursorLocation = 0;
 
    // find the cursor location via IE method...
    if (document.selection) {
      ofThisInput.focus();
      var theSelectionRange = document.selection.createRange();
      theSelectionRange.moveStart('character', -ofThisInput.value.length);
      theCursorLocation = theSelectionRange.text.length;
    }
    
    else if (ofThisInput.selectionStart || ofThisInput.selectionStart == '0') {
      // or the FF way 
      theCursorLocation = ofThisInput.selectionStart;
    }
    return theCursorLocation;
  }
 
  // now get ready to place our new character(s)...
  
  var currentPos = theCursorPosition(theIdElement);
  var origValue = theIdElement.value;
  var newValue = origValue.substr(0, currentPos) + thisChar + origValue.substr(currentPos);
 */
  //theIdElement.value = newValue;
  var theIdElement = document.getElementById(thereId);
  insertAtCursor(theIdElement, thisChar);
}