function calculateplan(scd,pyear,stnm)
{
var result="";
var urlnew=getRootPath()+"/handler/HisSchePlan.ashx?pyear="+escape(pyear)+"&scd="+escape(scd);
$.ajaxSettings.async = false; //必须加的,若不加返回的是""
$.getJSON(urlnew,{ random: Math.random() },function(datatable){
result=calculateplan1(datatable,pyear,stnm);
});
return result;
}