/**
 * Insert content at caret position (converted to jquery function)
 * @link http://alexking.org/blog/2003/06/02/inserting-at-the-cursor-using-javascript
 */
$.fn.insertAtCaret = function (myValue) {
    return this.each(function(){
        //IE support
        if (document.selection) {
          this.focus();
          sel = document.selection.createRange();
          sel.text = myValue;
          this.focus();
        }
        //MOZILLA/NETSCAPE support
        else if (this.selectionStart || this.selectionStart == '0') {
          var startPos = this.selectionStart;
          var endPos = this.selectionEnd;
          var scrollTop = this.scrollTop;
          this.value = this.value.substring(0, startPos) + 
              myValue + 
              this.value.substring(endPos, this.value.length);
          this.focus();
          this.selectionStart = startPos + myValue.length;
          this.selectionEnd = startPos + myValue.length;
          this.scrollTop = scrollTop;
        } else {
          this.value += myValue;
          this.focus();
        }
    });
};