var el = document.getElementById('txtArticle');
var range = el.createTextRange();
range.moveStart('character', el.value.length);
range.collapse(false);
range.select();

var range, el = document.getElementById('txtPhone');
if (el.setSelectionRange) {
  el.focus();
  el.setSelectionRange(el.value.length, el.value.length)
} else {
  range = el.createTextRange();
  range.collapse(false);
  range.select();
}

var sel, el = document.getElementById('hint');
sel = window.getSelection();
sel.collapse(el, 1);
el.focus();