function selecttag(tag)
{
	for(i=1;i<11;i++){
	if(tag==i){
		document.getElementById("tag"+i).className = "num";
		document.getElementById("text"+i).style.display ="block";
		
		}
	else{
	document.getElementById("tag"+i).className = "flow";
	document.getElementById("text"+i).style.display ="none";
		}
	}
}