var flag;

function addloc(locs,mylocs,sigle){
  if(sigle==true)
      delallloc(locs,mylocs);
  for(var x=0;x<locs.length;x++){
    var opt = locs.options[x];
    if (opt.selected){
      flag = true;
      for (var y=0;y<mylocs.length;y++){
        var myopt = mylocs.options[y];
        if (myopt.value == opt.value){  
          flag = false;
        }
      } 
      if(flag){
        mylocs.options[mylocs.options.length] = new Option(opt.text, opt.value, 0, 0); 
        if(window.top.selected!=null ){
            var s = new Array(opt.text,opt.value);
            window.top.selected[window.top.arraylen]=s;
            window.top.arraylen++;
        }
      }
    }
  }
}

//當頁面裝載時重新裝載所有已經選擇的選項
function loadLoc(mylocs){
    if(window.top.selected!=null && window.top.selected.length!=0){
		for (var y=0;y<window.top.selected.length;y++){
	   		 var s = window.top.selected[y];
	   		 if(s!=null)
        	    mylocs.options[mylocs.options.length] = new Option(s[0], s[1], 0, 0);
     	 } 
     }
}

function delloc(locs,mylocs){
  for(var x=mylocs.length-1;x>=0;x--){
    var opt = mylocs.options[x];
    if (opt.selected){
      mylocs.options[x] = null;
      if(window.top.selected!=null){
        for (var y=0;y<window.top.selected.length;y++){
	   		 var s = window.top.selected[y];
	   		 if(s!=null && s[0]==opt.text && s[1]==opt.value){
        	   window.top.selected[y] = null; 
        	    break;
        	 }
     	 }
      }
    }
  }
}

function delallloc(locs,mylocs){
  for(var x=mylocs.length-1;x>=0;x--){
    var opt = mylocs.options[x];
    mylocs.options[x] = null;
    if(window.top.selected!=null){
      for (var y=0;y<window.top.selected.length;y++){
  		 var s = window.top.selected[y];
  		 if(s!=null && s[0]==opt.text && s[1]==opt.value){
      	   window.top.selected[y] = null; 
      	    break;
      	 }
   	  }
    }
  }
}

function copyoldIDV(mylocs,olds){
    for(var x=0;x<olds.length;x++){
       var old = olds[x];
       
       if(old[0]==null || old[0]=="$valuestr" || old[0]=="")
         return;
       if(window.top.arraylen<olds.length){
 			    var s = new Array(old[1],old[0]);
                window.top.selected[window.top.arraylen]=s;
                window.top.arraylen++; 
            }
    }
 }

 function copyold(locs,mylocs,olds){
 	for(i=0;i<locs.length;i++){
 		var lopt = locs.options[i];
 		if(isold(lopt.value,olds)){
 			mylocs.options[mylocs.options.length] = new Option(lopt.text, lopt.value, 0, 0);
 		}
 	}
 }
 function isold(value,olds){
 	for(j=0;j<olds.length;j++){
 		if(value==olds[j])
 			return true;
 	}
 	return false;
 }