function chk_st(viewed){
	for(var i = 1 ; i <=35 ; i++){
		var img = document.getElementById("st_icon_" + i);
		if( i < 10){
			
			if(viewed != i){
				img.src = "images/sports/0" + i+ "_o.gif";
			}else{
				img.src = "images/sports/0" + i+ "_o_shadow.gif";
			}
		}else{
			if(viewed != i){
				img.src = "images/sports/" + i+ "_b.gif";
			}else{
				img.src = "images/sports/" + i+ "_b_shadow.gif";
			}
		}
	}
}