function $(vid){return document.getElementById(vid);}
function tab_move( newid )
{
	var qz = arguments[1]?arguments[1]:'abc';
	var hotClassName = arguments[2]?arguments[2]:'nav1 fB';
	var ptClassName = arguments[3]?arguments[3]:'nav2';
	
	eval('var oldid='+qz+'_old_id;');
	if(oldid)
	{
		if(newid==oldid)return;
		$(qz+'_head_'+oldid).className = ptClassName;
		$(qz+'_body_'+oldid).style.display = "none";
	}
	$(qz+'_head_'+newid).className = hotClassName; //alert(hotClassName);
	$(qz+'_body_'+newid).style.display = "";
	eval(qz+'_old_id=newid;');
	return false;
}
var bang_old_id = "today";
var abc_old_id;

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"; 
}
}