function confirm_del() {
  var reply = confirm("This will permanantly delete this record!");

  if(reply) {
     return true;
   } else {
     return false;
   }
}

function getfileextension(filename) {   
   if( filename.length == 0 ) return "";  
   var dot = filename.lastIndexOf(".");  
   if( dot == -1 ) return "";  
   var extension = filename.substr(dot,filename.length);  
   return extension; 
}

function check_excel_import_csv(){
  filename = document.getElementById("get_file").value;
  if (filename == '') return false;
  if (getfileextension(filename) != '.csv') { 
      alert("This is not csv file!");
      return false;
  } 
  return true;
}

function confirm_del_entry() {
  var reply = confirm("This will permanantly delete this record!");

  if(reply) {
     return true;
   } else {
     return false;
   }
}

function viewform(m) {
   var w = 750;
   var h = 600;
   var scroll = 'yes';
   var settings;
   var LeftPosition;
   var TopPosition;
   var win;
        
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
   settings = settings + ',resizable=no,maximize=no,status=no,toolbar=no,directories=no,menubar=no,location=no';
          
   win = window.open(m, 'pre', settings);
   win.name = 'name';
   win.focus();
}

function viewform_issue(m) {
   var w = 350;
   var h = 90;
   var scroll = 'yes';
   var settings;
   var LeftPosition;
   var TopPosition;
   var win;
        
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
   settings = settings + ',resizable=no,maximize=no,status=no,toolbar=no,directories=no,menubar=no,location=no';
          
   win = window.open(m, 'pre', settings);
   win.name = 'name';
   win.focus();
}
function viewform_payment(m) {
   var w = 350;
   var h = 150;
   var scroll = 'no';
   var settings;
   var LeftPosition;
   var TopPosition;
   var win;
        
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
   settings = settings + ',resizable=no,maximize=no,status=no,toolbar=no,directories=no,menubar=no,location=no';
          
   win = window.open(m, 'pre', settings);
   win.name = 'name';
   win.focus();
}
function viewform_due(m) {
   var w = 360;
   var h = 120;
   var scroll = 'no';
   var settings;
   var LeftPosition;
   var TopPosition;
   var win;
        
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
   settings = settings + ',resizable=no,maximize=no,status=no,toolbar=no,directories=no,menubar=no,location=no';
          
   win = window.open(m, 'pre', settings);
   win.name = 'name';
   win.focus();
}

function viewform2(m) {
   var w = 300;
   var h = 250;
   var scroll = 'no';
   var settings;
   var LeftPosition;
   var TopPosition;
   var win;
        
   LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
   TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  
   settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll;
   settings = settings + ',resizable=no,maximize=no,status=no,toolbar=no,directories=no,menubar=no,location=no';
          
   win = window.open(m, 'pre', settings);
   win.name = 'name';
   win.focus();
}

function select_promocodes(mark) { 
  for (i = 0; i < document.promocodes.elements.length; i++) {
    var item = document.promocodes.elements[i];
    if (item.name == "promocodes_id[]") {
      item.checked = mark;
     };
   }
}