var layerStyleRef, layerRef, styleSwitch, useHeight, useWidth, layerHeight, topDistance;
var Timer, iens6;
var menuMouseOver=false;
topDistance=40;

if (document.layers) {
  layerStyleRef="layer.";
  layerRef="document.layers";
  styleSwitch="";
  useHeight=innerHeight;
  opacity=".style.MozOpacity"
  step=0.05;
  start=0.1;
  topValue=1;
}
else if(document.all){
  layerStyleRef="layer.style.";
  layerRef="document.all";
  styleSwitch=".style";
  useHeight=(window.screen.availHeight-window.screenTop);
  useWidth=(window.screen.availWidth);
  opacity=".filters.alpha.opacity";
  step=2;
  start=10;
  topValue=100;
}
else if(document.getElementById){
  layerStyleRef="layer.style.";
  layerRef="document.getElementById";
  styleSwitch=".style";
  useHeight=(innerHeight);
  useWidth=0;
  opacity=".style.MozOpacity"
  step=0.05;
  start=0.1;
  topValue=1;
  iens6=true;
}


iens6=document.all||document.getElementById
ns4=document.layers

var speed=5

function movedown(){
if (iens6&&parseInt(crossobj.style.top)>=(contentheight*(-1)+100))
crossobj.style.top=parseInt(crossobj.style.top)-speed
else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
crossobj.top-=speed
movedownvar=setTimeout("movedown()",20)
}

function moveup(){
if (iens6&&parseInt(crossobj.style.top)<0)
crossobj.style.top=parseInt(crossobj.style.top)+speed
else if (ns4&&crossobj.top<=0)
crossobj.top+=speed
moveupvar=setTimeout("moveup()",20)
}



function getcontent_height(){
if (iens6)
contentheight=crossobj.offsetHeight-180
else if (ns4)
document.nscontainer.document.nscontent.visibility="show"
}