function MM_swapImage() {
     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() {
    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) {
    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 && document.getElementById)
      x=document.getElementById(n);
    return x;
}