function UrlSearch() {
var name, value;
var str = location.href; //取得整个地址栏
var num = str.indexOf("?")
str = str.substr(num + 1); //取得所有参数 stringvar.substr(start [, length ]
var arr = str.split("&"); //各个参数放到数组里
for (var i = 0; i < arr.length; i++) {
num = arr[i].indexOf("=");
if (num > 0) {
name = arr[i].substring(0, num);
value = arr[i].substr(num + 1);
this[name] = value;
}
}
} 

//跳转页面的链接
url: contextPath+"/page4nui/ci2k3/prreportcheckmngt/report_check.jsp?ciPrId="+ciPrId
//跳转到的页面使用
var url = new UrlSearch();
ciPrId = url.ciPrId;