function st_tahapan(){
    
    var fields_kel_biaya = RH.storeFields('idsttahapan','kdsttahapan','nmsttahapan');
	var pageSize = 18;
	var ds_kel_biaya = RH.JsonStore({	
        url : BASE_URL + 'st_tahapan_controller/get_sttahapan',  
		fields : fields_kel_biaya,
		limit: pageSize,
		enableSearch: true,
	});	
//SEARCH COMPONENT
	var sb_biaya = RH.searchComp({
		id : 'sb_biaya',
		fields : ['kdsttahapan:Kode','nmsttahapan:Nama'],
		selected : 'nmsttahapan',
		store : ds_kel_biaya
	});
    
    
    	// COLUMN MODEL
	var cm_biaya = new Ext.grid.ColumnModel([
		new Ext.grid.RowNumberer(),
		{
			header: RH.h3('Kode'),width: 100,
			dataIndex: 'kdsttahapan', 
			sortable: true
		}, {
			header: RH.h3('Nama'),  width: 300,
			dataIndex: 'nmsttahapan', 
			sortable: true
		}, 
			RH.EditColumn(), RH.DeleteColumn()
		]
	);    
	/** THE GRID */       
    var gp_kel_biaya = RH.GridPanel_T1({
		ds: ds_kel_biaya,
        cm: cm_biaya,
        singleSelect: true,
        searchComp: sb_biaya,
		allowAdd: true,
		fnAdd: fnAddKelbiaya,
		pageSize: pageSize,
		cellclick: onCellJbiayaClick
	});
    
	var fp_biaya = RH.GPContainer1({
		title: 'Status Tahapan', iconCls:'silk-house',
		gridPanel: gp_kel_biaya,
	}); SET_PAGE_CONTENT(fp_biaya);
    
    
    /** 
FUNCTIONS
*/
	function onCellJbiayaClick(grid, rowIndex, columnIndex, e) {
		var record = grid.getStore().getAt(rowIndex);  // Get the Record
        
        RH.EditClick(e, function(){fnEditJbiaya(grid, record)});
        RH.DeleteClick(e, function(){fnDeleteJbiaya(grid, record)});
    }

	function reloadKelbiaya(){
		ds_kel_biaya.reload();
	}
	
	function fnAddKelbiaya(){
		var grid = gp_kel_biaya;
		wEntryKelbiaya(false, grid, null);	
	}
	
	function fnEditJbiaya(grid, record){
		wEntryKelbiaya(true, grid, record);		
	}
	
	function fnDeleteJbiaya(grid, record){
		var url = BASE_URL + 'st_tahapan_controller/delete_sttahapan';
		var params = new Object({
						idsttahapan	: record.data['idsttahapan']
					});
		RH.deleteGridRecord(url, params, grid );
	}
}

/**
WIN - FORM ENTRY/EDIT JENIS BIAYA
*/
function wEntryKelbiaya(isUpdate, grid, record){
	var winTitle = (isUpdate)?'Status Tahapan (Edit)':'Status Tahapan (Entry)';		
/**
DATA SOURCE GRUP JENIS BIAYA
*/
	/*var ds_grup = new Ext.data.JsonStore({ //static data
		fields: [{	
			name:'kode' 
		}, {	
			name:'nama' 
		}],
		data: [
		{	"kode":"1","nama":"test1"},
		{	"kode":"2","nama":"test2"}
		]		
	});*/
/**
FORM ENTRY/EDIT MATA-KULIAH
*/		
	var kel_biaya_form = new Ext.form.FormPanel({
		xtype:'form',
        id: 'frm.kelbiaya',
        buttonAlign: 'left',
		labelWidth: 150, labelAlign: 'right',
        bodyStyle: 'padding:10px 3px 3px 5px', // atas, kanan, bawah, kiri
        monitorValid: true,
        height: 120, width: 500,
        layout: 'form', 
		frame: false, 
		defaultType:'textfield',		
		items: [     
		{
            id: 'kode_st', 
            fieldLabel: 'Kode',
            width: 150, allowBlank: false,
        },{
            
            id: 'nama_st', 
            fieldLabel: 'Nama',
            width: 200, 
            allowBlank: false,        
        }],
        buttons: [{
            text: 'Simpan', iconCls:'silk-save',
            handler: function() {
                fnSaveKelbiaya();                           
            }
        }, {
            text: 'Kembali', iconCls:'silk-arrow-undo',
            handler: function() {
                wJbiaya.close();
            }
        }]
    });
		
    var wJbiaya = new Ext.Window({
        title: winTitle,
        modal: true, closable:false,
        items: [kel_biaya_form]
    });

/**
CALL SET FORM AND SHOW THE FORM (WINDOW)
*/
	setJbiayaForm(isUpdate, record);
	wJbiaya.show();

/**
FORM FUNCTIONS
*/	
	function setJbiayaForm(isUpdate, record){
		//var kdprodi = RH.getCompValue('cb.prodi-matkul', true);
		if(isUpdate){
			if(record != null){
				//RH.disableComp('tf.frm.kdjnsbiaya');
				RH.setCompValue('kode_st', record.data['kdsttahapan']);
				RH.setCompValue('nama_st', record.data['nmsttahapan']);
				
				return;
			}
		}
	}
	
	function fnSaveKelbiaya(){
		var idForm = 'frm.kelbiaya';
		var sUrl = BASE_URL +'st_tahapan_controller/insert_sttahapan';
		var sParams = new Object({
			kdsttahapan		:	RH.getCompValue('kode_st'),
			nmsttahapan		:	RH.getCompValue('nama_st'),
			
		});
		var msgWait = 'Tunggu, sedang proses menyimpan...';
		var msgSuccess = 'Tambah data berhasil';
		var msgFail = 'Tambah data gagal';
		var msgInvalid = 'Data belum valid (data primer belum terisi)!';
		
		if(isUpdate){
			sUrl = BASE_URL +'st_tahapan_controller/update_sttahapan';
			sParams.idsttahapan = record.data['idsttahapan'];
			msgSuccess = 'Update data berhasil';
			msgFail = 'Update data gagal';
		}
		
		//call form grid submit function (common function by RH)
		RH.submitGridForm(idForm, sUrl, sParams, grid, wJbiaya, 
			msgWait, msgSuccess, msgFail, msgInvalid);
	}
				
}