js怎样连接birth报表

var contextPath="<%=path%>"
function tongJ(){

var dateStart=$("#shouFeiRiQi").datebox('getValue');

var dateEnd=$("#shouFeiRiQi2").datebox('getValue');

var srcsrc=contextPath+"/run?__report=reports/shouKuanHZ.rptdesign&__format=HTML&dateStart="+dateStart+"&dateEnd="+dateEnd;

$("#reportIfrm").attr("src",srcsrc);

$('#dateS').val(dateStart);

$('#dateE').val(dateEnd);

}