//writeCookie("xqin","XQIn.cn",2);
//写入Cookie,名称为 xqin,值为XQin.cn,时间为2个小时
//alert("读取Cookie[xqin]的值为:" + readCookie("xqin"));
//读取Cookie xqin 的值
function readCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}

function writeCookie(name, value, hours)
{
  var expire = "";
  if(hours != null)
  {
    expire = new Date((new Date()).getTime() + hours * 3600000);
    expire = "; expires=" + expire.toGMTString();
  }
  document.cookie = name + "=" + escape(value) + expire+";path=/";
}

//游船搜索列表的分类搜索
function SortBy()
{
	form1.submit();
	}

//游船 cruise-price.asp 页面搜索
function PriceSearch(CRI_SN)
{

	var cri_ray=readCookie('pricecri_sn');
    var cri=cri_ray.split("/");
	//alert(cri_ray)
	for (var ii=0;ii<cri.length-1;ii++)
	   {
		   document.getElementById(cri[ii]).src="/pic/circle.gif";
		   }
	writeCookie("price_cri_sn",CRI_SN,2)
	document.getElementById(CRI_SN).src="/pic/selected2.gif";
	}
	
//游船列表游船比较函数
//CSI_SN    游船SN
//CRI_SN    游船航线SN
//writeCookie("CSI_SN","",2)    //写游船sn cookie
//writeCookie("CRI_SN","",2)    //写游船航线sn cookie	
function ShipCompare(CSI_SN,CRI_SN)
{
	var SN=document.getElementById(CSI_SN+CRI_SN);
	var OldCSI_SN_Cookie=readCookie("C_CSI_SN");   //原来的游船sn
    var OldCRI_SN_Cookie=readCookie("C_CRI_SN");   //原来的游船航线sn
    //判断用户是否选择超过三次
	
	//如果未选
	if (SN.checked){
		var IsThree=OldCSI_SN_Cookie.split(",");
		//alert(IsThree.length)
		if (IsThree.length<=3){
			var NewCSI_SN_Cookie=OldCSI_SN_Cookie+CSI_SN+',';   //累加游船sn
			var NewCRI_SN_Cookie=OldCRI_SN_Cookie+CRI_SN+',';   //累加游船航线sn	
			writeCookie("C_CSI_SN",NewCSI_SN_Cookie,2)    //写游船sn cookie
			writeCookie("C_CRI_SN",NewCRI_SN_Cookie,2)    //写游船航线sn cookie	
			writeCookie(CSI_SN+CRI_SN,1,2)                //已选标志	
			document.getElementById(CSI_SN+CRI_SN).checked=true;
		}
		else{
			document.getElementById(CSI_SN+CRI_SN).checked=false;
			//writeCookie(CSI_SN+CRI_SN,0,2)              //未选标志
		    alert("Select no more than 3 times");
			}
	}
	else//已选
	{
		    document.getElementById(CSI_SN+CRI_SN).checked=false;
			writeCookie(CSI_SN+CRI_SN,0,2)              //未选标志
			NewCSI_SN_Cookie=OldCSI_SN_Cookie.replace(CSI_SN+",","")  //去掉此项游船的sn
			NewCRI_SN_Cookie=OldCRI_SN_Cookie.replace(CRI_SN+",","")  //去掉此项游船航线的sn
			writeCookie("C_CSI_SN",NewCSI_SN_Cookie,2)    //写游船sn cookie
			writeCookie("C_CRI_SN",NewCRI_SN_Cookie,2)    //写游船航线sn cookie	
			
			
		}
		//alert(readCookie("C_CSI_SN")+'/'+readCookie("C_CRI_SN"))
	
}