yO=10;
staticO=0;
prevY=0;
var sBody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body
function pBack() {
var scrollY=document.all? sBody.scrollTop : pageYOffset;
if (scrollY!=prevY&&scrollY>yO-staticO) {
smooth = .2 * (scrollY - prevY - yO + staticO);}

else if (yO-staticO+prevY>yO-staticO) {
smooth = .2 * (scrollY - prevY - (yO-(yO-scrollY)));}

else {smooth=0}

if(smooth > 0) smooth = Math.ceil(smooth);
else smooth = Math.floor(smooth);

flDiv.top=parseInt(flDiv.top)+smooth+'px';
prevY = prevY+smooth;
setTimeout('pBack()', 1)

}

function getH() {
var oElement = document.getElementById('page_wrapper'), pH;
if( window.getComputedStyle ) {
  pH = window.getComputedStyle(oElement,null).height;
} else if( document.body.clientHeight ) {
  pH = document.body.clientHeight;
}
return pH;
}
function showSitemap(){
if (document.getElementById("sitemap").style.display=='none'){
document.getElementById("sitemap").style.display='';
}
else{
document.getElementById("sitemap").style.display='none';
}
}

function bth(btn){
sbtn=document.getElementById(btn).style;
if (btn=='theLogo'){sbtn.backgroundImage="url(Img/logoO.jpg)";}
else{sbtn.backgroundImage="url(Img/bg_btnO.png)";
sbtn.color="#959fab";}
}

function bt(btn){
sbtn=document.getElementById(btn).style;
if (btn=='theLogo'){sbtn.backgroundImage="url(Img/logo.jpg)";}
else{sbtn.backgroundImage="url(Img/bg_btn.png)";
sbtn.color="#333333";}
}