Div contentEditable="true" insérer un texte dans la position courante du curseur

// The current selection
	var range = myDiv.document.selection.createRange();
	// We'll use this as a 'dummy'
	var stored_range = range.duplicate();
	// Select all text
	stored_range.moveToElementText(myDiv);
	// Now move 'dummy' end point to end point of original range
	stored_range.setEndPoint('EndToEnd', range);
	// Now we can calculate start and end points
	myDiv.selectionStart = stored_range.text.length - range.text.length;
	myDiv.selectionEnd = myDiv.selectionStart + range.text.length;

	alert("le debut de selection : " + myDiv.selectionStart
			+ "\n la fin de la selection: " + myDiv.selectionEnd);

	// Change text with HTLM tags.
	range.pasteHTML("test"range.text + "test");

function Show()
{
  var ctrl = 
 document.getElementById("myDiv");
    ctrl.focus();
  var range = document.selection.createRange();
  var specialchar = String.fromCharCode(0);
  range.text = specialchar;
   range.select();
  range.text = 'insertText';
    
  
}