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) { //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_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 obr(obrazek,width,height) {
    window.open(obrazek, "", "toolbar=no,directories=no,menubar=no,width=" + width + ",height=" + height + ",scrollbars=no,titlebar=0,resizable=0");
}



function togglevis(chb, id, displaychecked, displayunchecked) {
    elem = document.getElementById(id);
    if (chb.checked) elem.style.display = displaychecked;
    else elem.style.display = displayunchecked;
}
    

function toggleSendButton(chb) {
    elem = document.getElementById('SEND-ORDER-BUTTON');
    elem.disabled = !chb.checked;
}


function aToNewWindow(element, first)
  {
  if (!element) return;
  if(!first) first=element;
  if (element.nodeName=="A")
    {
       element.target="_blank"; 
    }
  if (element.hasChildNodes()) 
    aToNewWindow(element.firstChild, first);
  if (element.nextSibling && element!=first) 
    aToNewWindow(element.nextSibling,first);
  }