function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = ""; }
} 

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) { //v4.0
  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_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 printPage() {
  var pr = (window.print) ? 1 : 0;
  if (pr) // NS4, IE5
    window.print()
  else if (da && !mac) // IE4 (Windows)
    vbPrintPage()
  else // muut
    alert("Can't Print");
}

function advOpen(openUrl, openWidth, openHeight) {
  if (navigator.appVersion.substring(0,1)=="4") {
    var s   = screen;
    var srw = s.width;
    var srh = s.height;
  } else {
    var srw = 800;
    var srh = 600;
  }
  
  if ((openWidth>srw) || (openHeight>srh)) {
    openScroll  = "1";
    if (openWidth>srw)  { openWidth=srw-5; }
    if (openHeight>srh) { openHeight=srh-5; }
  } else {
    openScroll  = "0";
  }
  srw     = (srw - openWidth)/2;
  srh     = (srh - openHeight)/5;
  openName        = "openPopup";

  openParameters  = "left="+srw+",top="+srh+",outerHeight=0,innerWidth,width="+openWidth+",innerHeight,height="+openHeight+",scrollbars=0,titlebar=1,menubar=1,resizable=0";

  if (window.openPopup) { if (!window.openPopup.closed) { window.openPopup.close(); } }
  openPopup = open(openUrl, openName, openParameters);
  return false;
}