var requestUrl = location.search ;
// 设置url中参数值
function setRequestUrlParam(paramName,paramValue){
    if(requestUrl.length==0){
        requestUrl = '?' + paramName + '=' + paramValue ;
        return ;
    }
    var resArray = new Array();
    var paramArray = requestUrl.substr(1).split('&');
    var isExist = false;
    for(var i=0;i<paramArray.length;i++){
        var pair = paramArray[i].split('=');
        var cParamName = pair[0];
        if(cParamName == paramName){
            resArray.push(paramName + '=' + paramValue);
            isExist = true;
        }else if(cParamName == ''){
            continue;
        }else{
            resArray.push(paramArray[i]);
        }
    }
    requestUrl = '?' + (!isExist? paramName + '=' + paramValue + "&" : "") + resArray.join('&');
}
// 移除url中参数
function removeRequestUrlParam(paramName){
    if(requestUrl.length==0){
        return ;
    }
    var resArray = new Array();
    var paramArray = requestUrl.substr(1).split('&');

    for(var i=0;i<paramArray.length;i++){
        var pair = paramArray[i].split('=');
        var cParamName = pair[0];
        if(paramName != cParamName){
            resArray.push(paramArray[i]);
        }
    }
    requestUrl = '?' + resArray.join('&');
}
// 翻页
function PageGo(pageIndex){
    setRequestUrlParam('PageIndex',pageIndex);
    sendRequest();
}

function sendRequest(){
    location.href = requestUrl;
}