function showDescription(id, dopen, dclose, foca){
var box=$(id);

if(!box){
return;
}
var c=document.getElementsByClassName("r",box);
if(c.length>0&&!c[0].blinding){
c[0].blinding=true;
if(c[0].style.display=="none"){
Effect.BlindDown(c[0],{afterFinish:function(){
c[0].blinding=false;
},duration:dopen});
}else{
Effect.BlindUp(c[0],{afterFinish:function(){
c[0].blinding=false; },duration:dclose});
}
}
}