var lh_n=1;
var lh_num=3;
function lh_Mea(value){
	lh_n=value;
	lh_setBg(value);
	lh_plays(value);
}
function lh_setBg(value){
	for(var i=1;i<lh_num+1;i++){
		if(value==i){
			document.getElementById("stn_"+value).className="act";
		}else{
			document.getElementById("stn_"+i).className="";
		}
	}
}
function lh_plays(value){
	for(i=1;i<lh_num+1;i++){
		if(i==value){
			document.getElementById("pc_"+value).style.display="block";
		}else{
			document.getElementById("pc_"+i).style.display="none";
		}
	}
}
function lh_clearAuto(){
	clearInterval(autoStart);
}
function lh_setAuto(){
	autoStart=setInterval("lh_auto(lh_n)",5000);
}
function lh_auto(){
	lh_n++;
	if(lh_n>lh_num)lh_n=1;
	lh_Mea(lh_n);
}
lh_setAuto();