function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 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];}
}

n_home=new Image(88,16); n_home_r=new Image(88,16);
n_home.src="images/n_home.gif"; n_home_r.src=" images/n_home_r.gif";

n_about=new Image(88,16); n_about_r=new Image(88,16);
n_about.src="images/n_about.gif"; n_about_r.src=" images/n_about_r.gif";

n_buy=new Image(88,16); n_buy_r=new Image(88,16);
n_buy.src="images/n_buy.gif"; n_buy_r.src=" images/n_buy_r.gif";

n_cont=new Image(88,16); n_cont_r=new Image(88,16);
n_cont.src="images/n_cont.gif"; n_cont_r.src=" images/n_cont_r.gif";

n_sell=new Image(88,16); n_sell_r=new Image(88,16);
n_sell.src="images/n_sell.gif"; n_sell_r.src=" images/n_sell_r.gif";