//写最新搜索过的关键词
function SetLatestKeywordList(keyword)
{
    var tmplist = Cookie.read("public_latestKeyword");
    var keepKeyword = "";
    var curentIndex = 1;
    if(tmplist != false && tmplist!=null && tmplist!="" )
    {
        var tmpArray = tmplist.split("||");
        for (i=0; i < tmpArray.length; i++) 
        {
            if (i>12) break; //只保留最新的14个            
            
            if(keyword!=tmpArray[i])
            {
                keepKeyword = keepKeyword + "||" +tmpArray[i];            
                curentIndex = curentIndex + 1;
            }
        }       
        
        keepKeyword = keyword + keepKeyword; 
    }   
    else keepKeyword = keyword;
        
    Cookie.write("public_latestKeyword",keepKeyword,{path:'/',duration:1});    
    
}