采用模块化开发

				function addone(obj,cid)
				{
				    var url = phpcms_path + "comment/addone.php";
				    var pars = "obj="+obj+"&cid="+cid;
				    var spanid = obj+cid;
					var myAjax = new Ajax.Updater(
									spanid,
									url,
									{
									method: 'get',
									parameters: pars,
									evalScripts: true
									}
					             ); 
				}
				
				function AddOnPos(obj, charvalue)
				{
					obj.focus();
					var r = document.selection.createRange();
					var ctr = obj.createTextRange();
					var i;
					var s = obj.value;
				
					//注释掉的这种方法只能用在单行的输入框input内
					//对多行输入框textarea无效
					//r.setEndPoint("StartToStart", ctr);
					//i = r.text.length;
					//取到光标位置----Start----
					var ivalue = "&^asdjfls2FFFF325%$^&";
					r.text = ivalue;
					i = obj.value.indexOf(ivalue);
					r.moveStart("character", -ivalue.length);
					r.text = "";
					//取到光标位置----End----
					//插入字符
					obj.value = s.substr(0,i) + charvalue + s.substr(i,s.length);
					ctr.collapse(true);
					ctr.moveStart("character", i + charvalue.length);
					ctr.select();
				}
				function docheck()
				{
				    if(commentform.commentcontent.value=="") {
				       alert("请输入评论内容!");
				       commentform.commentcontent.focus();
				       return false;
				    }
				    return true;
				}
				function SelectSmilies(phpcms_path)
				{
				  var arr=Dialog(phpcms_path+'comment/smile_select.php','',200,400); 
				  if(arr!=null){
				    AddOnPos($('commentcontent'), arr);
				  }
				}
				function reply(phpcms_path,cid)
				{
					if(cid=='guest')
					{
						alert('管理员设置游客不能回复评论，请注册成为我们的会员');
						commentform.replycid.value = 1;
						$('commentcontent').disabled=true;
						return false;
					}
					else
					{
					  commentform.replycid.value = cid;
					  commentform.commentcontent.style.background="url("+phpcms_path+"images/comment/txtareabg.gif) no-repeat top left" ;
					  commentform.commentcontent.focus();
					}
				}