data.chinahighlights.com/js/review-V1.js

//**Review 保存js函数*******
//* savereview() 
//*****//
var ajaxlogin = false;

function savereview(whereP){
	$.ajax({
			type: "POST",
			url: "/community/userdo.asp?ac=usercomm&whereP="+whereP,
			data: $("#writepreview").serialize(),
			dataType:"xml",
			beforeSend: function(){
			// Handle the beforeSend event
			//	jQuery.facebox('Please wait.....');
			},
			success: function(html){
				var statu = $(html).find("statu").text();
				var nowid  = $(html).find("nowid").text();
				var message = $(html).find("message").text();
				var ResultScript = $(html).find("ResultScript").text();
				changeVC();
				alert(message);
				$("#reviewbody").val("Write your review here...");
				//document.writepreview.reset(); //重置表单
				switch(statu){
					case "0":
					//景点详细页
						$("#commentTopThereList").prepend($(ResultScript));
						$("#commentTopThereList li").each(function(i){
																	  $(this).attr("className","bg-"+(i+1));
																	  if(i == 2 ){$(this).addClass("last");}
																	  if(i>2){$(this).remove();}
																	  });
						break;
					case "1":
						$("div .speech").eq(0).before($(ResultScript)).end();
						scroller('focusInput',100);
						break;
					case "2":
						break;
					case "3":
						break;
				}
			}
	});
}


//信息页面添加评论 2009-08-17 ycc
//MainID 信息ID
//MainName 资源名字
//MainType 资源类型
/// Last modified by IMT 08 30. 
function SendCommentForInfo(MainID,MainName,MainType){
	
	var CommentError=document.getElementById('CommentError'),CommentContent=document.getElementById('CommentContent'),CommentUserName=document.getElementById('CommentUserName'),CommentPassWord=document.getElementById('CommentPassWord'),ResultData,conEv,uName,uPass;
	  
	if(CommentContent) conEv = CommentContent.value;
	if(CommentUserName) 
	{
		uName = CommentUserName.value;
	}
	else
	{
		uName ='';
	}
	if(CommentPassWord)
	{ 
	   uPass = CommentPassWord.value; 
	}
	else
	{
		 uPass ='';
	}
	
	 ResultData=savereview(uName,uPass,MainName,MainType,MainID,conEv);
	 
	if (ResultData=='no') {
		CommentError.innerHTML='<em>Logon false!</em>';
	}else{
		window.location.reload();
	}
}


function ajaxsavereview(whereP){
	if(!ajaxlogin){ajaxlogin = isLogin();}
	if($("#reviewbody").val() == "" || $("#reviewbody").val().length < 10){
		alert("A minimum of 10 letters is requried.");return false;
	}
	if (ajaxlogin){
		
	}else{
		if( !$("#checkbox1").attr("checked") ){
			alert("Please login !");return false;
		}
		if(! isEmail($("#uEmail").val()) ){
			alert("The email you entered is not valid!");return false;
		}
		if($("#userName").val() == "" || $("#userName").val() == "User Name"){
			alert("Write you name please!");return false;
		}
		if($("#verifycode").val() == "" || $("#verifycode").val().length != 4){
			alert("Incorrect Verification Code!");return false;
		}
	}
	savereview(whereP);
	return;
}


function isEmail(strEmail) {
	re=/^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/;
	if (re.test(strEmail))
		return true; 
	else
		return false;
}
function showloginSpan(o){
	if(o.checked){
		$('#nologinform').show();
		changeVC();
	}else{
		$('#nologinform').hide();
		$("#vcIMG").attr("src","/pic/ajax-loader-1.gif");
	}
}
function changeVC(){
	$("#vcIMG").attr("src","/community/getcode.asp?rand="+Math.random());
}


// 转换为数字 
function intval(v) 
{ 
     v = parseInt(v); 
     return isNaN(v) ? 0 : v; 
} 

// 获取元素信息 
function getPos(e) 
{ 
     var l = 0; 
     var t   = 0; 
     var w = intval(e.style.width); 
     var h = intval(e.style.height); 
     var wb = e.offsetWidth; 
     var hb = e.offsetHeight; 
     while (e.offsetParent){ 
         l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0); 
         t += e.offsetTop   + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0); 
         e = e.offsetParent; 
     } 
     l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0); 
     t   += e.offsetTop   + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0); 
     return {x:l, y:t, w:w, h:h, wb:wb, hb:hb}; 
} 

// 获取滚动条信息 
function getScroll() 
{ 
     var t, l, w, h; 
     
     if (document.documentElement && document.documentElement.scrollTop) { 
         t = document.documentElement.scrollTop; 
         l = document.documentElement.scrollLeft; 
         w = document.documentElement.scrollWidth; 
         h = document.documentElement.scrollHeight; 
     } else if (document.body) { 
         t = document.body.scrollTop; 
         l = document.body.scrollLeft; 
         w = document.body.scrollWidth; 
         h = document.body.scrollHeight; 
     } 
     return { t: t, l: l, w: w, h: h }; 
} 

// 锚点(Anchor)间平滑跳转 
function scroller(el, duration) 
{ 
     if(typeof el != 'object') { el = document.getElementById(el); } 
     if(!el) return; 

     var z = this; 
     z.el = el; 
     z.p = getPos(el); 
     z.s = getScroll(); 
     z.clear = function(){window.clearInterval(z.timer);z.timer=null}; 
     z.t=(new Date).getTime(); 

     z.step = function(){ 
         var t = (new Date).getTime(); 
         var p = (t - z.t) / duration; 
         if (t >= duration + z.t) { 
             z.clear(); 
             window.setTimeout(function(){z.scroll(z.p.y, z.p.x)},13); 
         } else { 
             st = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.y-z.s.t) + z.s.t; 
             sl = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.x-z.s.l) + z.s.l; 
             z.scroll(st, sl); 
         } 
     }; 
     z.scroll = function (t, l){window.scrollTo(l, t)}; 
     z.timer = window.setInterval(function(){z.step();},13); 
}