function hasOptions(obj){if(obj!=null&&obj.options!=null){return true;}
return false;}
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);if(!hasOptions(obj)){return;}
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(!hasOptions(obj)){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){if(!hasOptions(obj)){return;}
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);}}
if(!hasOptions(from)){return;}
for(var i=0;i<from.options.length;i++){var o=from.options[i];if(o.selected){if(!hasOptions(to)){var index=0;}else{var index=to.options.length;}
to.options[index]=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 copySelectedOptions(from,to){var options=new Object();if(hasOptions(to)){for(var i=0;i<to.options.length;i++){options[to.options[i].value]=to.options[i].text;}}
if(!hasOptions(from)){return;}
for(var i=0;i<from.options.length;i++){var o=from.options[i];if(o.selected){if(options[o.value]==null||options[o.value]=="undefined"||options[o.value]!=o.text){if(!hasOptions(to)){var index=0;}else{var index=to.options.length;}
to.options[index]=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){if(!hasOptions(obj)){return;}
for(i=0;i<obj.options.length;i++){if(obj.options[i].selected){if(i!=0&&!obj.options[i-1].selected){swapOptions(obj,i,i-1);obj.options[i-1].selected=true;}}}}
function moveOptionDown(obj){if(!hasOptions(obj)){return;}
for(i=obj.options.length-1;i>=0;i--){if(obj.options[i].selected){if(i!=(obj.options.length-1)&&!obj.options[i+1].selected){swapOptions(obj,i,i+1);obj.options[i+1].selected=true;}}}}
function removeSelectedOptions(from){if(!hasOptions(from)){return;}
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 removeAllOptions(from){if(!hasOptions(from)){return;}
for(var i=(from.options.length-1);i>=0;i--){from.options[i]=null;}
from.selectedIndex=-1;}
function addOption(obj,text,value,selected){if(obj!=null&&obj.options!=null){obj.options[obj.options.length]=new Option(text,value,false,selected);}}