var state = 'none';

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

function restoreCheck(l) { 
  if (!(document.getElementById(l).style.display=='block')) {  
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc; }
}

function restoreImage() { 
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc; 
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function switchLayer(l) {
   if (document.getElementById(l).style.display=='block') {
   if (document.all){ eval("document.all." +l+ ".style.display = 'none'");}
   if (document.layers) { document.layers[l].display = 'none';}
   if (document.getElementById &&!document.all) { hza = document.getElementById(l); hza.style.display = 'none';}}
   else { if (document.all){ eval("document.all." +l+ ".style.display = 'block'");}
   if (document.layers) { document.layers[l].display = 'block';}
   if (document.getElementById &&!document.all) { hza = document.getElementById(l); hza.style.display = 'block';}}
}