function background(){
        bgs=new Array();
        bgs[bgs.length]='/images/bg1.jpg';
        bgs[bgs.length]='/images/bg3.jpg';
        bgs[bgs.length]='/images/bg4.jpg';
        bgs[bgs.length]='/images/bg5.jpg';
        idx=Math.floor(Math.random()*bgs.length);
        document.body.style.background = "url("+ bgs[idx] +") no-repeat fixed center top";
}


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_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_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 init_float_layers()
{
  var name;
  var layer;
  var i;
  var j;

  var is_ns4 = navigator.appName.indexOf('Netscape', 0) != -1 && !document.getElementById;
  var is_ns6 = (navigator.appName.indexOf('Netscape', 0) != -1 && document.getElementById);

  j = 0;
  document._float_layers = new Array(Math.max(1, init_float_layers.arguments.length/2));
  for (i = 0; i < init_float_layers.arguments.length; i += 2) {
    name  = init_float_layers.arguments[i];
    if (name == '')
      return;

    if (is_ns4) {
      layer = document.layers[name];
      layer._fl_pos_left = layer.left;
      layer._fl_pos_top  = layer.top;
    } else if (is_ns6) {
      layer = document.getElementById(name);
      layer._fl_pos_left = parseInt(layer.style.left);
      layer._fl_pos_top  = parseInt(layer.style.top);
    } else {
      layer = document.all[name];
      layer._fl_pos_left = layer.style.pixelLeft;
      layer._fl_pos_top  = layer.style.pixelTop;
    }

    layer._fl_pos = init_float_layers.arguments[i+1];
    if (layer)
      document._float_layers[j++] = layer;
  }

  document._fl_interval = setInterval('process_float_layers()', 200);
}

function page_width()
{
  var is_ns4 = navigator.appName.indexOf('Netscape', 0) != -1 && !document.getElementById;
  var is_ns6 = (navigator.appName.indexOf('Netscape', 0) != -1 && document.getElementById);

  return (is_ns4 || is_ns6) ? innerWidth  : document.body.clientWidth;
}

function page_height()
{
  var is_ns4 = navigator.appName.indexOf('Netscape', 0) != -1 && !document.getElementById;
  var is_ns6 = (navigator.appName.indexOf('Netscape', 0) != -1 && document.getElementById);

  return (is_ns4 || is_ns6) ? innerHeight : document.body.clientHeight;
}

function process_float_layers()
{
  var is_ns4 = navigator.appName.indexOf('Netscape', 0) != -1 && !document.getElementById;
  var is_ns6 = (navigator.appName.indexOf('Netscape', 0) != -1 && document.getElementById);

  if (document._float_layers) {
      var i;
      var layer;
      for (i = 0; i < document._float_layers.length; i++) {
	  layer = document._float_layers[i];
	  if (is_ns4) {
	    if (layer._fl_pos == 1)
	      layer.left = layer._fl_pos_left + window.pageXOffset;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 5) 
	      layer.left = window.pageXOffset;
	    else if (layer._fl_pos == 3 || layer._fl_pos == 6) 
	      layer.left = window.pageXOffset + (page_width() - layer.clip.width)/2;
	    else
	      layer.left = window.pageXOffset + page_width() - layer.clip.width - 16;
	    if (layer._fl_pos == 1)
	      layer.top = layer._fl_pos_top + window.pageYOffset;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 3 || layer._fl_pos == 4)
	      layer.top = window.pageYOffset;
	    else
	      layer.top  = window.pageYOffset + page_height() - layer.clip.height;
	  } else if (is_ns6) {
	    if (layer._fl_pos == 1)
	      layer.style.left = layer._fl_pos_left + window.pageXOffset;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 5)
	      layer.style.left = window.pageXOffset;
	    else if (layer._fl_pos == 3 || layer._fl_pos == 6)
	      layer.style.left = window.pageXOffset + (page_width() - parseInt(layer.style.width))/2;
	    else
	      layer.style.left = window.pageXOffset + page_width()  - parseInt(layer.style.width);
	    if (layer._fl_pos == 1)
	      layer.style.top = layer._fl_pos_top + document.body.scrollTop;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 3 || layer._fl_pos == 4)
	      layer.style.top = window.pageYOffset;
	    else
	      layer.style.top  = window.pageYOffset + page_height() - parseInt(layer.style.height);
          }
          else {
	    if (layer._fl_pos == 1)
	      layer.style.pixelLeft = layer._fl_pos_left + document.body.scrollLeft;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 5)
	      layer.style.pixelLeft = document.body.scrollLeft;
	    else if (layer._fl_pos == 3 || layer._fl_pos == 6)
	      layer.style.pixelLeft = document.body.scrollLeft + (page_width() - layer.style.pixelWidth)/2;
	    else
	      layer.style.pixelLeft = document.body.scrollLeft + page_width()  - layer.style.pixelWidth;
	    if (layer._fl_pos == 1)
	      layer.style.pixelTop = layer._fl_pos_top + document.body.scrollTop;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 3 || layer._fl_pos == 4)
	      layer.style.pixelTop = document.body.scrollTop;
	    else
	      layer.style.pixelTop  = document.body.scrollTop  + page_height() - layer.style.pixelHeight;
         }
      }
  }
}

function bt(id,after) 
{ 
eval(id+'.filters.blendTrans.stop();'); 
eval(id+'.filters.blendTrans.Apply();'); 
eval(id+'.src="'+after+'";'); 
eval(id+'.filters.blendTrans.Play();'); 
}