function closeBlock(id){
new Effect.Fade('block_'+id,{beforeStart:function(){new Effect.Appear('block_tab_'+id);} });
}

function blockslide(dir,id){
obj = 'block_tab_'+id;
 if(dir == 'out'){
  //new Effect.Move(obj,{ x: 100, y: 0, mode: 'relative' });
  $(obj).style.left=(0-10)+'px';
 }

 if(dir == 'in'){
  //new Effect.Move(obj,{ x: -100, y: 0, mode: 'relative'});
  $(obj).style.left=(0-150)+'px';
 }
}
function showBlock(id){
new Effect.Fade('block_tab_'+id,{beforeStart:function(t){renderBlock(id);}});
}
function renderBlock(id){
new Effect.Appear('block_'+id);
}