var menu1=false;
    menu2=false;
    menu3=false;
    menu4=false;
    inner='';
    ms='';
    bWidth=0; bHeight=0;
    visib=0;

function prepare(num){
var x=0;y=0;

  if(is_ie){
    bWidth=document.body.clientWidth;
    bHeight=document.body.clientHeight;
    if(bWidth<650) bWidth=650;

    document.all['floater'].style.top=80;
    document.all['floater'].style.left=Math.floor(bWidth-((bWidth-650)/2)-180);

  } else {
    bWidth=window.innerWidth;
    bHeight=window.innerHeight;
    if(bWidth<650) bWidth=650;

    document.layers['floater'].left=Math.floor(bWidth-((bWidth-650)/2)-180)-8;
    document.layers['floater'].top=80;
  }

  aactive=1;
}

function sw(){
 if (visib==0){
   if (is_nav) {
     document.layers['floater'].visibility = 'show';
   } else {
     document.all['floater'].style.visibility = 'visible';
   }
   visib=1;
 } else {
   if (is_nav) {
     document.layers['floater'].visibility = 'hide';
   } else {
     document.all['floater'].style.visibility = 'hidden';
   }
   visib=0;
 }
}