function generateOptions(json_arr, first_key, first_value)
{	
  var options = '';
    if (first_value) {
				first_key = typeof(first_key) != 'undefined' ? first_key : '';			
        options += '<option value="' + first_key + '">' + first_value + '</option>';
    }
  $.each(json_arr, function(i, n) {
    options += '<option value="' + i + '">' + n + '</option>';
  });

  return options;
}

function trim(stringToTrim)
{
    return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function go_there(link)
{
    var where_to = confirm("Are you sure?");
    if (where_to == true) {
        window.location = link;
    }
}

function sureSubmit(el, frm, action)
{
  var where_to = confirm("Are you sure?");
    if (where_to == true) {
                if (action) {
                    frm.action.value = action;
                }
        frm.submit();
    } else {
      el.selectedIndex = 0;
      return false;
    }
}

function goImgWin(myImage, myWidth, myHeight, origLeft, origTop)
{
    myHeight += 24;
    myWidth += 24;

    TheImgWin = window.open(myImage,'image','height=' +
    myHeight + ',width=' + myWidth +
    ',toolbar=no,directories=no,status=no,' +
    'menubar=no,scrollbars=no,resizable=no');

    TheImgWin.resizeTo(myWidth+2, myHeight + 30);
    TheImgWin.moveTo(origLeft, origTop);
    TheImgWin.focus();
}

function in_array(needle, haystack)
{
    var i = haystack.length;
    if(i > 0) {
        do {
            if (haystack[i] === needle)
                return true;
        } while (i--);
    }

    return false;
}

function empty( mixed_var ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Philippe Baumann
    // *     example 1: empty(null);
    // *     returns 1: true

    return ( mixed_var === "" || mixed_var === 0   || mixed_var === "0" || mixed_var === null  || mixed_var === false  ||  ( is_array(mixed_var) && mixed_var.length === 0 ) );
}

function is_array( mixed_var ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Legaev Andrey
    // +   bugfixed by: Cord
    // *     example 1: is_array(['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: true
    // *     example 2: is_array('Kevin van Zonneveld');
    // *     returns 2: false
 
    return ( mixed_var instanceof Array );
}