function tag(tag){
	for(i=1; i<6; i++){
	 if (i==tag) { 
	 document.getElementById("tag"+i).className="tag-selected";
	 document.getElementById("info"+i).style.display="block";
	 }else{
	 document.getElementById("tag"+i).className="";
	 document.getElementById("info"+i).style.display="none";
	 }
	}
	}

function setTab(m,n){
 var tli=document.getElementById("menu"+m).getElementsByTagName("li");
 var mli=document.getElementById("main"+m).getElementsByTagName("ul");
 for(i=0;i<tli.length;i++){
  tli[i].className=i==n?"hover":"";
  mli[i].style.display=i==n?"block":"none";
 }
}