function preloadImg() {

if (document.images){



  menu001 = new Image();
  menu001.src = "../images/mark_off.gif";
  
  menu002 = new Image();
  menu002.src = "../images/mark2_off.gif";

}

}

	if (document.images){

		var m001_2 = new Image(9,11); m001_2.src = "../images/mark_on.gif";
		var m002_2 = new Image(9,11); m002_2.src = "../images/mark2_on.gif";
		
		var m001 = new Image(9,11); m001.src = "../images/mark_off.gif";
		var m002 = new Image(9,11); m002.src = "../images/mark2_off.gif";

        }


        function Disp(id,name){
                if (document.images){document.images[id].src = eval(name+".src")};
        }

function imgRestr() {
  if (document.swapImgda != null)
    for (var i=0; i<(document.swapImgda.length-1); i+=2)
      document.swapImgda[i].src = document.swapImgda[i+1];
}


function swapImg() {
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapImgda;
  for (i=0; i < (swapImg.arguments.length-2); i+=3) {
    objStr = swapImg.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {

     swapArray[j++] = obj;
     swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];

      obj.src = swapImg.arguments[i+2];
  } }

  document.swapImgda = swapArray;

}