dedecms同一页面多个相同js联动菜单调用方法

<!--//选择地区的二级分类(非通用调用)function selNext(oj, v){ var newobj = oj.options; var selv = parseInt(v); var maxv = parseInt(v) + 500; while(newobj.length > 0) { oj.remove(0); } clear(oj); if(selv==0) { aOption = document.createElement('OPTION'); aOption.text = '具体地区'; aOption.value = '0'; oj.options.add(aOption); return; } else { aOption = document.createElement('OPTION'); aOption.text = '具体地区'; aOption.value = '0'; oj.options.add(aOption); } var str = ''; for(i=selv+1; i < maxv; i++) { if(!em_nativeplaces[i]) continue; aOption = document.createElement('OPTION'); aOption.text = em_nativeplaces[i]; aOption.value = i; oj.options.add(aOption); }}

//子类改变事件function ChangeSon(){ /* var emname = this.name.replace('_son', ''); var topSelObj = document.getElementById(emname+'_top'); if(this.options[this.selectedIndex].value==0) { document.getElementById('hidden_'+emname).value = topSelObj.options[topSelObj.selectedIndex].value; } else { document.getElementById('hidden_'+emname).value = this.options[this.selectedIndex].value; } */

// 由于支持3级联动,所以这里需要对自己改变进行重构 var emname = this.name.replace('_son', ''); // alert(emname); if( document.getElementById(idname+'_sec') ) { var oj = document.getElementById(idname + '_sec'); } else { var oj = document.createElement('select'); oj.name = emname + '_sec'; oj.id = idname + '_sec'; oj.onchange = ChangeSec; } var v = this.options[this.selectedIndex].value; document.getElementById('hidden_'+idname).value = v; var newobj = oj.options; var selarr = eval('em_'+emname+'s'); var selv = parseInt(v); var maxv = parseInt(v) + 0.5; // alert(maxv); i = 0; while(newobj && newobj.length > 0) oj.remove(0); clear(oj);