var isIE = navigator.userAgent.toLowerCase().indexOf("msie")!=-1;
	var GO = function(elemId){
		if(document.getElementById){
			return document.getElementById(elemId);
		}else if(document.layers){
			document.layers[elemId];
		}else{
			return eval('document.all.' + elemId);
		}
	}
	function flash(mid,idx){
		for(var i=0;i<10;i++){
			if(!GO("fb_"+mid+"_"+i)) break;
			GO("fb_"+mid+"_"+i).className = "flashbtn_b";
			GO("fa_"+mid+"_"+i).style.display = "none";
		}
		GO("fb_"+mid+"_"+idx).className = "flashbtn_a";
		GO("fa_"+mid+"_"+idx).style.display = "block";
	}