function SetUrlParams(url) {
   window.location.href= url +location.search;
}

//js获取页面传递参数
function request(para){
  var i;
  var searchString=location.search;
  para = para.toLowerCase();
  searchString=searchString.toLowerCase();

  var pos=searchString.indexOf("?");
  if (pos==0){
    var str,str1,arr,strpos;
    searchString=searchString.replace("?","");
   alert(searchString); 
   
    arr=searchString.split('&');
    for (i=0;i<=arr.length-1;i++){
     str = arr[i];
     index = str.indexOf("=");
     if (para==str.substring(0,index)) 
        return str.substring(index+1,str.length);   
    }
  }
  return "";
}