<!--
function restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName == 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function preload_img()
{ 
  var img_list = preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName == 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) 
  {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}



function change(form)
{
  var list=form.selectedIndex;
  
  parent.center.location=form.options[list].value;
  form.selectedIndex = 0;
}

function MM_findObj(n, d) 
{ //v3.0
  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); 
  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; 
    }
}
//-->