Ext.namespace('DsTruckRpt');

DsTruckRpt.MsCheckDate = function (mydate) {

     var e = Ext.Date.parse(mydate, 'Y-m-d'); //格式化日期控件值                                  
     var end = new Date(e);              
     var start = new Date();         
     var elapsed = Math.round((end.getTime() - start.getTime())/(86400000)); // 计算间隔月数 
                                                 
    // 得到系统日期  
    if (elapsed <= 30) {
        return 'check_red';
    }
    else if (elapsed <= 60) {
        return 'check_orange';
    } 
    return '';
}