function katalog() {
	var ds_grid = new Ext.data.JsonStore({
		proxy: new Ext.data.HttpProxy({
			url: BASE_URL + 'e_katalog/c_katalog/grid',
			method: 'POST'
		}),
		params: {
			start: 0,
			limit: 5
		},
		root: 'data',
		totalProperty: 'results',
		autoLoad: true,
		fields: [
		{
			name: "id_katalog",
			mapping: "id_katalog"
		},
		{
			name: "kd_katalog",
			mapping: "kd_katalog"
		},
		{
			name: "nama_pengarang",
			mapping: "nama_pengarang"
		},
		{
			name: "nama_kategori",
			mapping: "nama_kategori"
		},
		{
			name: "isbn",
			mapping: "isbn"
		},
		{
			name: "judul_buku",
			mapping: "judul_buku"
		},
		{
			name: "deskripsi",
			mapping: "deskripsi"
		},
		{
			name: "tgl_terbit",
			mapping: "tgl_terbit"
		},
		{
			name: "thn_terbit",
			mapping: "thn_terbit"
		}]
	});
	

	var cm = new Ext.grid.ColumnModel({
		// specify any defaults for each column
		defaults: {
			sortable: true // columns are not sortable by default           
		},
		columns: [
		//new Ext.grid.RowNumberer(),
		{
			header: 'Kode Katalog',
			width: 80,
			dataIndex: 'kd_katalog',
			sortable: true
		},
		{
			header: 'Pengarang',
			width: 80,
			dataIndex: 'nama_pengarang',
			sortable: true
		},
		{
			header: 'Kategori',
			width: 80,
			dataIndex: 'nama_kategori',
			sortable: true
		},
		{
			header: 'No.Buku',
			width: 80,
			dataIndex: 'isbn',
			sortable: true
		},
		{
			header: 'Judul Buku',
			width: 150,
			dataIndex: 'judul_buku',
			sortable: true
		},
		{
			header: 'Deskripsi',
			width: 250,
			dataIndex: 'deskripsi',
			sortable: true
		},
		{
			header: 'Tanggal Terbit',
			width: 80,
			dataIndex: 'tgl_terbit',
			sortable: true
		},
		{
			header: 'Tahun Terbit',
			width: 80,
			dataIndex: 'thn_terbit',
			sortable: true
		}]
	});
	var vw = new Ext.grid.GridView({
		emptyText: '< Katalog Belum Dipilih  >'
	});
	var sm_nya = new Ext.grid.CheckboxSelectionModel({
		singleSelect:true,
		listeners: {
			//	rowselect: select_action,
			//	rowdeselect: deselect_action
		}
	});
	var cari_data = [new Ext.ux.grid.Search({
		iconCls: 'btn_search',
		minChars: 1,
		autoFocus: true,
		autoHeight: true,
		position: 'top',
		mode: 'local',
		width: 200
	})];
	var paging = new Ext.PagingToolbar({
		pageSize: 50,
		store: ds_grid,
		displayInfo: true,
		displayMsg: 'Data Materi Dari {0} - {1} of {2}',
		emptyMsg: 'Katalog Belum Dipilih.'
	});
	
	// ================================================
	
	var ds_grid2 = new Ext.data.JsonStore({
		proxy: new Ext.data.HttpProxy({
			url: BASE_URL + 'e_learning/c_tambahmateri/grid_materi_prodi',
			method: 'POST'
		}),
		root: 'data',
		totalProperty: 'results',
		autoLoad: true,
		fields: [{
			name: "kdprodi",
			mapping: "kdprodi"
		},
		{
			name: "nmprodi",
			mapping: "nmprodi"
		},
		{
			name: "pilih",
			mapping: "pilih",
			type: 'bool'
		}]
	});
	

	var cm2 = new Ext.grid.ColumnModel({
		// specify any defaults for each column
		defaults: {
			sortable: true // columns are not sortable by default           
		},
		columns: [
		//new Ext.grid.RowNumberer(),
		{
			header: 'Kode Prodi',
			width: 50,
			dataIndex: 'kdprodi',
			sortable: true
		},
		{
			header: 'Nama Prodi',
			width: 250,
			dataIndex: 'nmprodi',
			sortable: true
		},
		{
			xtype: 'checkcolumn',
			header: '<center>Pilih</center>',
			width: 50,
			dataIndex: 'pilih',
			sortable: true
			,
                        editor:{
                                    xtype: 'checkbox',
                                    id:'cbpilih',
                                    name:'cbpilih',
                                    listeners: {
                                        change: function() {
                                                                                           
                                        }
                                    }
                        }
		}]
	});
	var vw2 = new Ext.grid.GridView({
		emptyText: '< Prodi Belum Dipilih  >'
	});
	var sm_nya2 = new Ext.grid.CheckboxSelectionModel({
		listeners: {
			//	rowselect: select_action,
			//	rowdeselect: deselect_action
		}
	});
	var cari_data2 = [new Ext.ux.grid.Search({
		iconCls: 'btn_search',
		minChars: 1,
		autoFocus: true,
		autoHeight: true,
		position: 'top',
		mode: 'local',
		width: 200
	})];
	var paging2 = new Ext.PagingToolbar({
		pageSize: 50,
		store: ds_grid2,
		displayInfo: true,
		displayMsg: 'Data Prodi Dari {0} - {1} of {2}',
		emptyMsg: 'Prodi Belum Dipilih.'
	});
	
	// =========================================================
	var grid_nya = new Ext.grid.EditorGridPanel({
		store: ds_grid,
		frame: true,
		//width: 1140,
		autoScroll: true,
		autoHeight: true,
		autoWidth: true,
		plugins: cari_data,
		id: 'grid_det_product',
		buttonAlign: 'left',
		defaults: {
			anchor: '-10'
		},
		forceFit: true,
		tbar: [{
			text: 'Add',
			id: 'btn_add',
			iconCls: 'silk-add',
			handler: btn_menu_add
		}, '-',
		{
			text: 'Edit',
			id: 'btn_edit',
			iconCls: 'silk-edit',
			handler: function() {
				if (sm_nya.getCount() > 0) {
					var module_id = sm_nya.getSelected().data['id_katalog'];
					//form_gallery(gallery_id);
					//alert(module_id);
					 f_tambahkatalog_form(module_id, ds_grid);
					
					grid_nya.getSelectionModel().clearSelections()
					Ext.getCmp('btn_simpan_prodi').disable(); 
				}
			}
		}, '-',
		{
			text: 'Delete',
			id: 'btn_delete',
			iconCls: 'silk-delete',
			handler: function() {
				if (sm_nya.getCount() > 0) {
					var delete_id = sm_nya.getSelected().data['id_katalog'];
					Ext.MessageBox.show({
						title: "Konfirmasi",
						msg: "Anda Yakin Untuk menghapus Data ini?",
						buttons: Ext.MessageBox.YESNO,
						fn: function(btn) {
							if (btn == 'yes') {
								Ext.Ajax.request({
									url: BASE_URL + 'e_katalog/c_katalog/delete',
									method: 'POST',
									success: function() {
										Ext.MessageBox.alert("Informasi", "Hapus Data Berhasil");
										ds_grid.load();
										Ext.getCmp('btn_simpan_prodi').disable();
									},
									failure: function(result) {
										Ext.MessageBox.alert("Informasi", "Hapus Data Gagal");
									},
									params: {
										hapus_id: delete_id
									}
								});
							}
						}
					});
				}
			}
		}, '-', '->'],
		sm: sm_nya,
		vw: vw,
		cm: cm,
		bbar: paging,
		//autoExpandColumn: 'common',
		clicksToEdit: 1,
		listeners: {
			rowclick: function rowClick(grid, rowIdx) {
				var rec = ds_grid.getAt(rowIdx);
					isi =rec.data["idmateri"];
					if(isi!=''){
					Ext.getCmp('btn_simpan_prodi').enable(); 
					ds_grid2.setBaseParam('idmateri', isi);
					ds_grid2.load();
					} else {
					Ext.getCmp('btn_simpan_prodi').disable(); 
					}
			}
		}
	});
	// ================================================================
		var grid_nya2 = new Ext.grid.EditorGridPanel({
		store: ds_grid2,
		frame: true,
		//width: 1140,
		autoScroll: true,
		autoHeight: true,
		autoWidth: true,
		plugins: cari_data2,
		id: 'grid_det_product2',
		buttonAlign: 'left',
		defaults: {
			anchor: '-10'
		},
		forceFit: true,
		tbar: [
		{
			text: 'Simpan',
			id: 'btn_simpan_prodi',
			iconCls: 'silk-accept',
			disabled:true,
			handler: function() {
			if (sm_nya.getCount() > 0) {
				simpanmateriprodi()
			} else {
				Ext.MessageBox.alert("Informasi", "Pilih Salah Satu Materi");
			}	
			}
		}, '->'],
		sm: sm_nya2,
		vw: vw2,
		cm: cm2,
		bbar: paging2,
		//autoExpandColumn: 'common',
		clicksToEdit: 1,
		listeners: {
			rowdblclick: function rowdblClick(grid, rowIdx) {
				var rec = ds_grid2.getAt(rowIdx);
				//alert(rec.data["kdmenu"] + ', ' + Ext.getCmp('combox').getValue());
			}
		}
	});
	
	var form_bp_general = new Ext.form.FormPanel({
		id: 'form_bp_general_id',
		title: 'Halaman Katalog',
		region: 'center',
		autoScroll: true,
		buttonAlign: 'left',
		bodyStyle: 'padding: 5px',
		border: false,
		waitMsg: 'Waiting...',
		layout: 'column',
		items: [{
			columnWidth: .90,
			xtype: 'panel',
			border: false,
			bodyStyle: 'padding:0px 0px 0px 0px',
			items: [{
				layout: 'form',
				border: false,
				items: [{
					xtype: 'fieldset',
					title: 'Daftar Katalog',
					layout: 'form',
					id:'daftarmateri',
					// labelAlign: 'top',
					items: [grid_nya]
						}]
					}]
		
			},
		]}
	);

	function btn_menu_add() {
		f_tambahkatalog_form('', ds_grid);
		grid_nya.getSelectionModel().clearSelections()
		Ext.getCmp('btn_simpan_prodi').disable(); 
	}
	get_content(form_bp_general);
	
	function get_materi_prodi(sm, sm2) {
	var par='';
	var a= 1;
	var c = ';';
	
	var cntrec = sm.getCount();
	var arr = sm.getSelections(); // record grid materi yang dipilih
	
	for (i = 0; i < cntrec; i++) {
		  grid_nya2.getStore().each(function(rec){ // ambil seluruh grid prodi
									var rowData = rec.data; 
									if (a == grid_nya2.getStore().getCount()) {
										c = ''
									}
									var j = (rowData['pilih']) ? 1 : 0;
									
									par += arr[i].data['idmateri'] + 'x' +
									rowData['kdprodi'] + 'x' +
									j + 'x' + // pilih
									c;
									
									a= a+1;
								});
								return par;
		}
	}
	
	function simpanmateriprodi(){

					    var materiprodi = get_materi_prodi(sm_nya,sm_nya2);
                                            Ext.Ajax.request({
						url: BASE_URL + 'e_learning/c_tambahmateri/simpanmateriprodi',
						params: {
							pilihmateriprodi: materiprodi,
//    
						},
						success: function() {
							Ext.MessageBox.alert("Informasi", "Simpan Data Berhasil");
							ds_grid2.load();
						},
						failure: function() {
							Ext.MessageBox.alert("Informasi", "SImpan Data Gagal");
						}
                                            });
                                        
        }
}