一段jquery代码支持1.8但不支持1.9帮忙看下谢谢大家！

(function($){

	$.fn.qqFace = function(options){

		var defaults = {

			id : 'facebox',

			path : 'face/',

			assign : 'content',

			tip : 'em_'

		};

		var option = $.extend(defaults, options);

		var assign = $('#'+option.assign);

		var id = option.id;

		var path = option.path;

		var tip = option.tip;

		

		if(assign.length<=0){

			alert('缺少表情赋值对象');

			return false;

		}

		

		$(this).click(function(e){

			var strFace, labFace;

			if($('#'+id).length<=0){

				strFace = '<div id="'+id+'" style="position:absolute;display:none;z-index:1000;" class="qqFace">' +

							  '<table border="0" cellspacing="0" cellpadding="0"><tr>';

				for(var i=1; i<=75; i++){

					labFace = '['+tip+i+']';

					strFace += '<td><img src="'+path+i+'.gif" onclick="$(\'#'+option.assign+'\').setCaret();$(\'#'+option.assign+'\').insertAtCaret(\'' + labFace + '\');" /></td>';

					if( i % 15 == 0 ) strFace += '</tr><tr>';

				}

				strFace += '</tr></table></div>';

			}

			$(this).parent().append(strFace);

			var offset = $(this).position();

			var top = offset.top + $(this).outerHeight();

			$('#'+id).css('top',top);

			$('#'+id).css('left',offset.left);

			$('#'+id).show();

			e.stopPropagation();

		});



		$(document).click(function(){

			$('#'+id).hide();

			$('#'+id).remove();

		});

	};



})(jQuery);



jQuery.extend({

unselectContents: function(){

	if(window.getSelection)

		window.getSelection().removeAllRanges();

	else if(document.selection)

		document.selection.empty();

	}

});

jQuery.fn.extend({ 

	selectContents: function(){ 

		$(this).each(function(i){ 

			var node = this; 

			var selection, range, doc, win; 

			if ((doc = node.ownerDocument) && (win = doc.defaultView) && typeof win.getSelection != 'undefined' && typeof doc.createRange != 'undefined' && (selection = window.getSelection()) && typeof selection.removeAllRanges != 'undefined'){ 

				range = doc.createRange(); 

				range.selectNode(node); 

				if(i == 0){ 

					selection.removeAllRanges(); 

				} 

				selection.addRange(range); 

			} else if (document.body && typeof document.body.createTextRange != 'undefined' && (range = document.body.createTextRange())){ 

				range.moveToElementText(node); 

				range.select(); 

			} 

		}); 

	}, 



	setCaret: function(){ 

		if(!$.browser.msie) return; 

		var initSetCaret = function(){ 

			var textObj = $(this).get(0); 

			textObj.caretPos = document.selection.createRange().duplicate(); 

		}; 

		$(this).click(initSetCaret).select(initSetCaret).keyup(initSetCaret); 

	}, 



	insertAtCaret: function(textFeildValue){

		var textObj = $(this).get(0);

		if(document.all && textObj.createTextRange && textObj.caretPos){

			var caretPos=textObj.caretPos;

			caretPos.text = caretPos.text.charAt(caretPos.text.length-1) == '' ?

			textFeildValue+'' : textFeildValue;

		} else if(textObj.setSelectionRange){

			var rangeStart=textObj.selectionStart;

			var rangeEnd=textObj.selectionEnd;

			var tempStr1=textObj.value.substring(0,rangeStart);

			var tempStr2=textObj.value.substring(rangeEnd);

			textObj.value=tempStr1+textFeildValue+tempStr2;

			textObj.focus();

			var len=textFeildValue.length;

			textObj.setSelectionRange(rangeStart+len,rangeStart+len);

			textObj.blur();

		}else{

			textObj.value+=textFeildValue;

		}

	}

});