jQuery.fn.extend({selectContents:function(){$(this).each(function(e){var t,n,c,o,a=this;(c=a.ownerDocument)&&(o=c.defaultView)&&void 0!==o.getSelection&&void 0!==c.createRange&&(t=window.getSelection())&&void 0!==t.removeAllRanges?((n=c.createRange()).selectNode(a),0==e&&t.removeAllRanges(),t.addRange(n)):document.body&&void 0!==document.body.createTextRange&&(n=document.body.createTextRange())&&(n.moveToElementText(a),n.select())})},setCaret:function(){if(document.selection){function e(){$(this).get(0).caretPos=document.selection.createRange().duplicate()}$(this).click(e).select(e).keyup(e)}},insertAtCaret:function(e){var t=$(this).get(0);if(document.all&&t.createTextRange&&t.caretPos){var n=t.caretPos;n.text=""==n.text.charAt(n.text.length-1)?e+"":e}else if(t.setSelectionRange){var c=t.selectionStart,o=t.selectionEnd,a=t.value.substring(0,c),i=t.value.substring(o);t.value=a+e+i,t.focus();var l=e.length;t.setSelectionRange(c+l,c+l),t.blur()}else t.value+=e}});