function MM_findObj(n, d) { //v4.0
  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;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function hideall() {
MM_showHideLayers('layer1','','hide');
MM_showHideLayers('layer2','','hide');
MM_showHideLayers('layer3','','hide');
MM_showHideLayers('layer4','','hide');
MM_showHideLayers('layer5','','hide');
MM_showHideLayers('layer6','','hide');
MM_showHideLayers('layer7','','hide');
MM_showHideLayers('layer8','','hide');
MM_showHideLayers('layer9','','hide');
MM_showHideLayers('layer10','','hide');
MM_showHideLayers('roll1','','hide');
MM_showHideLayers('roll2','','hide');
MM_showHideLayers('roll3','','hide');
MM_showHideLayers('roll4','','hide');
MM_showHideLayers('roll5','','hide');
MM_showHideLayers('roll6','','hide');
MM_showHideLayers('roll7','','hide');
MM_showHideLayers('roll8','','hide');
MM_showHideLayers('roll9','','hide');
MM_showHideLayers('roll10','','hide');
MM_showHideLayers('text1','','hide');
MM_showHideLayers('text2','','hide');
MM_showHideLayers('text3','','hide');
MM_showHideLayers('text4','','hide');
MM_showHideLayers('text5','','hide');
MM_showHideLayers('text6','','hide');
MM_showHideLayers('sub1','','hide');
MM_showHideLayers('pic1','','hide');
MM_showHideLayers('info1','','hide');
}