function slide(a,b,c){var d=document.getElementById(a);var H,e=30;if(d==null)return;if(c==undefined){if(d._0==true)return;if(d._1==true){c=0;d.style.overflow="hidden"}else{slide.addId(a);for(var i=0;i<slide.objects.length;i++){if(slide.objects[i].id!=a&&slide.objects[i]._1==true){slide(slide.objects[i].id)}}d.style.height="";d.style.overflow="";d.style.display="block";c=d.offsetHeight;d.style.overflow="hidden";d.style.height="1px"}d._0=true}e=((c>0)?1:-1)*e;b=((b==undefined)?1:b);d.style.height=(H=((H=(isNaN(H=parseInt(d.style.height))?0:H))+e<0)?0:H+e)+"px";if(H<=0){d.style.display="none";d.style.overflow="hidden";d._1=false;d._0=false}else if(c>0&&H>=c){d.style.display="block";d.style.overflow="visible";d.style.height=H+"px";d._1=true;d._0=false}else{setTimeout("slide('"+a+"' , "+b+", "+c+");",b)}}slide.objects=new Array();slide.addId=function(a){for(var i=0;i<slide.objects.length;i++){if(slide.objects[i].id==a)return true}slide.objects[slide.objects.length]=document.getElementById(a)}


function slide_t(){
var stt = document.getElementById('sstt');
if(stt.src == '/images/button/btn_top_open.gif'){
stt.src = '/images/button/btn_top_close.gif'; 
}else{
stt.src = '/images/button/btn_top_open.gif'
}
}