<script> var tid = tb_program.getTab(tb_program.selectedIndex).getAttribute("id").substr(2);//取当前选择的电台的值 var tweek = tb_week.selectedIndex;//取当前星期值 function tb_program.onselectedindexchange()//当电台选择时 { var tab = tb_program.getTab(tb_program.selectedIndex); tid =tab.getAttribute("id"); tid = tid.substr(2); dolocation(0); } function tb_week.onselectedindexchange()//当星期选择时 { tweek = tb_week.selectedIndex; dolocation(0); } //使Iframe导航 function dolocation(first) { if(first ==0)//是否第一次 document.all("t_content").src ="content.aspx?tid="+tid+"&tweek="+tweek; else document.all("t_content").src ="content.aspx?d=1&tid="+tid+"&tweek="+tweek; } dolocation(1);//第一次时执行 </script>