菜单问题!!急啊。。。我在线等! http://blog.csdn.net/tsd/archive/2005/03/14/319118.aspx 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <!-- 二级联动 Start --><script language="JavaScript"><!--var subcat = new Array();subcat[0] = new Array('10','1','=1')subcat[1] = new Array('10','2','=2')subcat[2] = new Array('10','3','=3')subcat[3] = new Array('10','4','=4')subcat[4] = new Array('10','5','=5')subcat[5] = new Array('10','6','=6')subcat[6] = new Array('10','7','=7')subcat[7] = new Array('10','8','=8')subcat[8] = new Array('10','9','=9')subcat[9] = new Array('10','10','=10')subcat[10] = new Array('20','11','=11')subcat[11] = new Array('20','12','=12')subcat[12] = new Array('20','13','=13')subcat[13] = new Array('20','14','=14')subcat[14] = new Array('20','15','=15')subcat[15] = new Array('20','16','=16')subcat[16] = new Array('20','17','=17')subcat[17] = new Array('20','18','=18')subcat[18] = new Array('20','19','=19')subcat[19] = new Array('20','20','=20')function changeselect1(locationid){ document.form1.s2.length = 0; document.form1.s2.options[0] = new Option('==请选择==',''); for (i=0; i<subcat.length; i++) { if (subcat[i][0] == locationid) {document.form1.s2.options[document.form1.s2.length] = new Option(subcat[i][1], subcat[i][2]);} }}//--></script><form name="form1">二级联动:<select name="s1" onChange="changeselect1(this.value)"><option>==请选择==</option><option value="10">1-10</option><option value="20">11-20</option></select><select name="s2" onChange="alert(this.value)"> <option>==请选择==</option></select></form><!-- 二级联动 Over --><!-- 三级联动 Start --><script language="JavaScript"><!--var subval = new Array();subval[0] = new Array('10','单数','1','=1')subval[1] = new Array('10','双数','2','=2')subval[2] = new Array('10','单数','3','=3')subval[3] = new Array('10','双数','4','=4')subval[4] = new Array('10','单数','5','=5')subval[5] = new Array('10','双数','6','=6')subval[6] = new Array('10','单数','7','=7')subval[7] = new Array('10','双数','8','=8')subval[8] = new Array('10','单数','9','=9')subval[9] = new Array('10','双数','10','=10')subval[10] = new Array('20','单数','11','=11')subval[11] = new Array('20','双数','12','=12')subval[12] = new Array('20','单数','13','=13')subval[13] = new Array('20','双数','14','=14')subval[14] = new Array('20','单数','15','=15')subval[15] = new Array('20','双数','16','=16')subval[16] = new Array('20','单数','17','=17')subval[17] = new Array('20','双数','18','=18')subval[18] = new Array('20','单数','19','=19')subval[19] = new Array('20','双数','20','=20')function changeselect2(){ document.form2.s2.length = 0; document.form2.s2.options[0] = new Option('==请选择==',''); document.form2.s2.options[1] = new Option('选择单数','单数'); document.form2.s2.options[2] = new Option('选择双数','双数'); document.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==','');}function changeselect3(sub1,sub2){ document.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==',''); for (i=0; i<subval.length; i++) { if ((subval[i][0] == sub1) & (subval[i][1] == sub2)) {document.form2.s3.options[document.form2.s3.length] = new Option(subval[i][2], subval[i][3]);} }}//--></script><form name="form2">三级联动:<select name="s1" onChange="changeselect2()"><option>==请选择==</option><option value="10">1-10</option><option value="20">11-20</option></select><select name="s2" onChange="changeselect3(document.form2.s1.value,this.value)"> <option>==请选择==</option></select><select name="s3" onChange="alert(this.value)"> <option>==请选择==</option></select></form><!-- 三级联动 Over --> jquery easyui tree 加载不出来 求解 怎么获取前一天的时间呢 WIN7如何阻止IE脚本错误窗口? onbeforeunload事件使用后,怎样阻止页面刷新! 如何实现弹出页面选择选项? ☆☆☆ie7页面打开后怎样可以移出屏幕 easyui中怎样修改DataGrid中的某个单元格的值? 怎么让两个table之间无缝连接 用JAVAScript怎么读取指定目录下的Cookie 请问验证邮件地址合法性的正则正达式? 一个关于动态更新的问题 关于进度条的问题!!(在线急等)
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</script><form name="form1">二级联动:<select name="s1" onChange="changeselect1(this.value)">
<option>==请选择==</option>
<option value="10">1-10</option>
<option value="20">11-20</option>
</select><select name="s2" onChange="alert(this.value)">
<option>==请选择==</option>
</select></form><!-- 二级联动 Over --><!-- 三级联动 Start --><script language="JavaScript">
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</script><form name="form2">三级联动:<select name="s1" onChange="changeselect2()">
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<option value="10">1-10</option>
<option value="20">11-20</option>
</select><select name="s2" onChange="changeselect3(document.form2.s1.value,this.value)">
<option>==请选择==</option>
</select><select name="s3" onChange="alert(this.value)">
<option>==请选择==</option>
</select></form><!-- 三级联动 Over -->