function BrowserSniff() {
   var ua = navigator.userAgent.toLowerCase();
   this.isIE = (ua.indexOf('msie') != -1 );
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isSafari ) );
   this.isMac = (ua.indexOf('mac') != -1);
   this.versionMinor = parseFloat(navigator.appVersion);
   if (this.isGecko && !this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }  
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }   
   this.versionMajor = parseInt(this.versionMinor);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);  
}
var browser = new BrowserSniff();
if ((browser.isIE) && !(browser.isIE6up) && !(browser.isMac)) { document.write("<link rel='stylesheet' href='css/ie5_add.css' type='text/css'>"); }
if ((browser.isIE) && !(browser.isIE6up) && (browser.isMac)) { document.write("<link rel='stylesheet' href='css/ie5mac_add.css' type='text/css'>"); }

function showLayer(id, action){
	// action= 'visible' || 'hidden'
	if(document.getElementById)document.getElementById(id).style.visibility = action;
	if(!document.getElementById && document.all)document.all[id].style.visibility = action;
}

function displayLayer(id, action){
	// action= 'block' || 'none'
	if(document.getElementById)document.getElementById(id).style.display = action;
	if(!document.getElementById && document.all)document.all[id].style.display = action;
}


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_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_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];}
}