function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preIMG() {
  if (document.images) {
  mn1_f2 = new Image(80 ,15); mn1_f2.src = "img/mn12.gif";
  mn1_f1 = new Image(80 ,15); mn1_f1.src = "img/mn1.gif";
  mn2_f2 = new Image(100 ,15); mn2_f2.src = "img/mn22.gif";
  mn2_f1 = new Image(100 ,15); mn2_f1.src = "img/mn2.gif";
  mn3_f2 = new Image(60 ,15); mn3_f2.src = "img/mn32.gif";
  mn3_f1 = new Image(60 ,15); mn3_f1.src = "img/mn3.gif";
  mn4_f2 = new Image(60 ,15); mn4_f2.src = "img/mn42.gif";
  mn4_f1 = new Image(60 ,15); mn4_f1.src = "img/mn4.gif";
  mn5_f2 = new Image(80 ,15); mn5_f2.src = "img/mn52.gif";
  mn5_f1 = new Image(80 ,15); mn5_f1.src = "img/mn5.gif";
  mn6_f2 = new Image(100 ,15); mn6_f2.src = "img/mn62.gif";
  mn6_f1 = new Image(100 ,15); mn6_f1.src = "img/mn6.gif";
  mn7_f2 = new Image(80 ,15); mn7_f2.src = "img/mn72.gif";
  mn7_f1 = new Image(80 ,15); mn7_f1.src = "img/mn7.gif";
  mn8_f2 = new Image(80 ,15); mn8_f2.src = "img/mn82.gif";
  mn8_f1 = new Image(80 ,15); mn8_f1.src = "img/mn8.gif";
  btn1_f3 = new Image(120 ,20); btn1_f3.src = "img/btn13.gif";
  btn1_f2 = new Image(120 ,20); btn1_f2.src = "img/btn12.gif";
  btn1_f1 = new Image(120 ,20); btn1_f1.src = "img/btn1.gif";
  btn7_f3 = new Image(120 ,20); btn7_f3.src = "img/btn73.gif";
  btn7_f2 = new Image(120 ,20); btn7_f2.src = "img/btn72.gif";
  btn7_f1 = new Image(120 ,20); btn7_f1.src = "img/btn7.gif";
  btn2_f3 = new Image(140 ,20); btn2_f3.src = "img/btn23.gif";
  btn2_f2 = new Image(140 ,20); btn2_f2.src = "img/btn22.gif";
  btn2_f1 = new Image(140 ,20); btn2_f1.src = "img/btn2.gif";
  btn6_f3 = new Image(160 ,20); btn6_f3.src = "img/btn63.gif";
  btn6_f2 = new Image(160 ,20); btn6_f2.src = "img/btn62.gif";
  btn6_f1 = new Image(160 ,20); btn6_f1.src = "img/btn6.gif";
  btn3_f3 = new Image(120 ,20); btn3_f3.src = "img/btn33.gif";
  btn3_f2 = new Image(120 ,20); btn3_f2.src = "img/btn32.gif";
  btn3_f1 = new Image(120 ,20); btn3_f1.src = "img/btn3.gif";
  btn5_f3 = new Image(120 ,20); btn5_f3.src = "img/btn53.gif";
  btn5_f2 = new Image(120 ,20); btn5_f2.src = "img/btn52.gif";
  btn5_f1 = new Image(120 ,20); btn5_f1.src = "img/btn5.gif";
  btn4_f3 = new Image(120 ,20); btn4_f3.src = "img/btn43.gif";
  btn4_f2 = new Image(120 ,20); btn4_f2.src = "img/btn42.gif";
  btn4_f1 = new Image(120 ,20); btn4_f1.src = "img/btn4.gif";
  }
}