de uma olhada neste cod <html> <HEAD> <script LANGUAGE="JavaScript"> <!-- Begin var arrItems1 = new Array(); var arrItemsGrp1 = new Array(); <!--*****************Itens que serão carregados no 2º combobox*******************--> arrItems1[3] = "Arroz"; arrItemsGrp1[3] = 1; arrItems1[9] = "Trigo"; arrItemsGrp1[9] = 1; arrItems1[4] = "Caderno"; arrItemsGrp1[4] = 2; arrItems1[5] = "Lapis"; arrItemsGrp1[5] = 2; arrItems1[8] = "Caneta"; arrItemsGrp1[8] = 2; arrItems1[6] = "Borracha"; arrItemsGrp1[6] = 2; arrItems1[7] = "Apagador"; arrItemsGrp1[7] = 2; arrItems1[0] = "Refrigerante"; arrItemsGrp1[0] = 3; arrItems1[1] = "Sucos"; arrItemsGrp1[1] = 3; arrItems1[2] = "Cervejas"; arrItemsGrp1[2] = 3; <!--*****************Itens que serão carregados no 3º combobox*******************--> var arrItems2 = new Array(); var arrItemsGrp2 = new Array(); arrItems2[21] = "Coca Cola"; arrItemsGrp2[21] = 0 arrItems2[22] = "Dolly"; arrItemsGrp2[22] = 0 arrItems2[31] = "Tang"; arrItemsGrp2[31] = 1 arrItems2[34] = "Maguary"; arrItemsGrp2[34] = 1 arrItems2[35] = "Schim"; arrItemsGrp2[35] = 2 arrItems2[36] = "Bavaria"; arrItemsGrp2[36] = 2 arrItems2[37] = "Brahma"; arrItemsGrp2[37] = 2 arrItems2[38] = "Scholl"; arrItemsGrp2[38] = 2 arrItems2[99] = "Preto HB2"; arrItemsGrp2[99] = 5 arrItems2[100] = "Preto HB5"; arrItemsGrp2[100] = 5 arrItems2[57] = "Cinza HB7"; arrItemsGrp2[57] = 5 arrItems2[101] = "Tio João"; arrItemsGrp2[101] = 3 arrItems2[102] = "Solito"; arrItemsGrp2[102] = 3 arrItems2[190] = "Candeias"; arrItemsGrp2[190] = 3 arrItems2[103] = "Universitário 100pg"; arrItemsGrp2[103] = 4 arrItems2[104] = "Universitário 200pg"; arrItemsGrp2[104] = 4 arrItems2[105] = "Faber Castel"; arrItemsGrp2[105] = 6 arrItems2[106] = "Lond red"; arrItemsGrp2[106] = 6 arrItems2[200] = "Quadro Branco"; arrItemsGrp2[200] = 7 arrItems2[201] = "Quadro Negro"; arrItemsGrp2[201] = 7 arrItems2[470] = "Kilometrica"; arrItemsGrp2[470] = 8 arrItems2[471] = "BIC"; arrItemsGrp2[471] = 8 arrItems2[352] = "Dona Benta"; arrItemsGrp2[352] = 9 arrItems2[353] = "Trigo Vaz"; arrItemsGrp2[353] = 9 <!--*****************Itens que serão carregados no 3º combobox*******************--> function selectChange(control, controlToPopulate, ItemArray, GroupArray) { var myEle ; var x ; // Empty the second drop down box of any choices for (var q=controlToPopulate.options.length;q>=0;q--) controlToPopulate.options[q]=null; if (control.name == "PRIMEIRO") { // Empty the third drop down box of any choices for (var q=myChoices.TERCEIRO.options.length;q>=0;q--) myChoices.TERCEIRO.options[q] = null; } // ADD Default Choice - in case there are no values myEle = document.createElement("option") ; myEle.value = 0 ; myEle.text = "SELECIONE" ; controlToPopulate.add(myEle) ; // Now loop through the array of individual items // Any containing the same child id are added to // the second dropdown box for ( x = 0 ; x < ItemArray.length ; x++ ) { if ( GroupArray[x] == control.value ) { myEle = document.createElement("option") ; myEle.value = x ; myEle.text = ItemArray[x] ; controlToPopulate.add(myEle) ; } } } // End --> </script> </HEAD> <BODY> <form name=myChoices> <table align="center"> <tr> <td> <SELECT id=PRIMEIRO name=PRIMEIRO onchange="selectChange(this, myChoices.SEGUNDO, arrItems1, arrItemsGrp1);"> <option value=0 SELECTED>Selecione</option> <option value=1>Alimentos</option> <option value=2>Bazar</option> <option value=3>Bebidas</option> <option value=4>Eletronicos</option> </SELECT> </TD><TD> <SELECT id=SEGUNDO name=SEGUNDO onchange="selectChange(this, myChoices.TERCEIRO, arrItems2, arrItemsGrp2);"></SELECT> <SELECT id=TERCEIRO name=TERCEIRO ></SELECT> </TD> </TR> </TABLE> </form> </html> Vou verif em asp o problema
