function selectUnselectMatchingOptions(obj,regex,which,only){if(window.RegExp){if(which == "select"){var selected1=true;var selected2=false;}else if(which == "unselect"){var selected1=false;var selected2=true;}else{return;}var re = new RegExp(regex);for(var i=0;i<obj.options.length;i++){if(re.test(obj.options[i].text)){obj.options[i].selected = selected1;}else{if(only == true){obj.options[i].selected = selected2;}}}}}
function selectMatchingOptions(obj,regex){selectUnselectMatchingOptions(obj,regex,"select",false);}
function selectOnlyMatchingOptions(obj,regex){selectUnselectMatchingOptions(obj,regex,"select",true);}
function unSelectMatchingOptions(obj,regex){selectUnselectMatchingOptions(obj,regex,"unselect",false);}
function sortSelect(obj){var o = new Array();if(obj.options==null){return;}for(var i=0;i<obj.options.length;i++){o[o.length] = new Option( obj.options[i].text, obj.options[i].value, obj.options[i].defaultSelected, obj.options[i].selected) ;}if(o.length==0){return;}o = o.sort(
function(a,b){if((a.text+"") <(b.text+"")){return -1;}if((a.text+"") >(b.text+"")){return 1;}return 0;});for(var i=0;i<o.length;i++){obj.options[i] = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);}}
function selectAllOptions(obj){for(var i=0;i<obj.options.length;i++){obj.options[i].selected = true;}}
function moveSelectedOptions(from,to){if(arguments.length>3){var regex = arguments[3];if(regex != ""){unSelectMatchingOptions(from,regex);}}for(var i=0;i<from.options.length;i++){var o = from.options[i];if(o.selected){to.options[to.options.length] = new Option( o.text, o.value, false, false);}}for(var i=(from.options.length-1);i>=0;i--){var o = from.options[i];if(o.selected){from.options[i] = null;}}if((arguments.length<3) ||(arguments[2]==true)){sortSelect(from);sortSelect(to);}from.selectedIndex = -1;to.selectedIndex = -1;}
function moveSelectedOptionsSinSort(from,to){if(arguments.length>3){var regex = arguments[3];if(regex != ""){unSelectMatchingOptions(from,regex);}}for(var i=0;i<from.options.length;i++){var o = from.options[i];if(o.selected){to.options[to.options.length] = new Option( o.text, o.value, false, false);}}for(var i=(from.options.length-1);i>=0;i--){var o = from.options[i];if(o.selected){from.options[i] = null;}}from.selectedIndex = -1;to.selectedIndex = -1;}
function copySelectedOptions(from,to){var options = new Object();for(var i=0;i<to.options.length;i++){options[to.options[i].text] = true;}for(var i=0;i<from.options.length;i++){var o = from.options[i];if(o.selected){if(options[o.text] == null || options[o.text] == "undefined"){to.options[to.options.length] = new Option( o.text, o.value, false, false);}}}if((arguments.length<3) ||(arguments[2]==true)){sortSelect(to);}from.selectedIndex = -1;to.selectedIndex = -1;}
function moveAllOptions(from,to){selectAllOptions(from);if(arguments.length==2){moveSelectedOptions(from,to);}else if(arguments.length==3){moveSelectedOptions(from,to,arguments[2]);}else if(arguments.length==4){moveSelectedOptions(from,to,arguments[2],arguments[3]);}}
function copyAllOptions(from,to){selectAllOptions(from);if(arguments.length==2){copySelectedOptions(from,to);}else if(arguments.length==3){copySelectedOptions(from,to,arguments[2]);}}
function swapOptions(obj,i,j){var o = obj.options;var i_selected = o[i].selected;var j_selected = o[j].selected;var temp = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);var temp2= new Option(o[j].text, o[j].value, o[j].defaultSelected, o[j].selected);o[i] = temp2;o[j] = temp;o[i].selected = j_selected;o[j].selected = i_selected;}
function moveOptionUp(obj){var selectedCount=0;for(i=0;i<obj.options.length;i++){if(obj.options[i].selected){selectedCount++;}}if(selectedCount!=1){return;}var i = obj.selectedIndex;if(i == 0){return;}swapOptions(obj,i,i-1);obj.options[i-1].selected = true;}
function moveOptionDown(obj){var selectedCount=0;for(i=0;i<obj.options.length;i++){if(obj.options[i].selected){selectedCount++;}}if(selectedCount != 1){return;}var i = obj.selectedIndex;if(i ==(obj.options.length-1)){return;}swapOptions(obj,i,i+1);obj.options[i+1].selected = true;}
function removeSelectedOptions(from){for(var i=(from.options.length-1);i>=0;i--){var o=from.options[i];if(o.selected){from.options[i] = null;}}from.selectedIndex = -1;}


function insertOptionBefore(num, elSel,text)
{

  if (elSel.selectedIndex >= 0) {
    var elOptNew = document.createElement('option');
    elOptNew.text = text;
    elOptNew.value = 'insert' + num;
    var elOptOld = elSel.options[elSel.selectedIndex];
    try {
      elSel.add(elOptNew, elOptOld); // standards compliant; doesn't work in IE
    }
    catch(ex) {
      elSel.add(elOptNew, elSel.selectedIndex); // IE only
    }
    elOptNew.selected = true;
  }
}