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 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 accessCSS(layerID){
  if(document.getElementById){
    return document.getElementById(layerID).style;
  }else if(document.all){
    return document.all[layerID].style;
  }else if(document.layers){
    return document.layers[layerID];
  }
} 

function getLayerWidth(layerID){
  if(document.getElementById){
    return parseInt(document.getElementById(layerID).offsetWidth);
  }else if(document.all){
    return parseInt(document.all[layerID].offsetWidth);
  }else if(document.layers){
    return parseInt(document.layers[layerID].clip.width);
  }
} 

function centerLayer(layerID){
  var IW=window.innerWidth ? window.innerWidth : document.body.clientWidth; 
  if (layerID == "Layer1")
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 - 96;
  else if (layerID == "Layer2")
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 - 15;
  else
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 + 66;
}

function centerLayer2(layerID){
  var IW=window.innerWidth ? window.innerWidth : document.body.clientWidth; 
  if (layerID == "Layer1")
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 - 50;
  else if (layerID == "Layer2")
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 + 50;
  else
     accessCSS(layerID).left = (IW - getLayerWidth(layerID))/2 + 150;
}

function addRule (selector, rule) {
  if (document.all)
    document.styleSheets[document.styleSheets.length - 1].addRule(selector, rule);
  else if (document.getElementById)
    document.styleSheets[document.styleSheets.length - 1].insertRule(selector + '{ ' + rule + ' } ', document.styleSheets[document.styleSheets.length - 1].cssRules.length);
}