// JavaScript Document
//getObject函数用来得到html标签的ID号
  function getObject(objID) {
	if (document.getElementById && document.getElementById(objID)) 
	      {return document.getElementById(objID);} 
    else {
	       if (document.all && document.all(objID)) 
		       {return document.all(objectId);} 
		   else 
		       {
				   if (document.layers && document.layers[objID]) 
				       {return document.layers[objID];} 
				   else {return false;}
				}
		  }
   }
  /*菜单切换函数function menutabs(id的前缀,需要切换的id号,菜单按钮的总个数,需要切换成的css类,默认的css类)*/
  function menu_tabs(prefix,id,total,className,oldClassName){
    var menuID;
	menuID=getObject(prefix+id)
	for (var i=1;i<=total;i++){
	    if(id == i){
		    menuID.className = className;
		}
		else{
		    var currentlyID;
			currentlyID = prefix+i;
		    getObject(currentlyID).className = oldClassName;
		}
	}
  }
  
function menu_tabs_1(prefix,id,total,className,oldClassName,display_prefix){
    var menuID;
	menuID=getObject(prefix+id)
	for (var i=1;i<=total;i++){
	    if(id == i){
		    menuID.className = className;
		}
		else{
		    var currentlyID;
			currentlyID = prefix+i;
		    getObject(currentlyID).className = oldClassName;
		}
	}
	
	for (var i=1;i<=total;i++){
	    if(id == i){
		    getObject(display_prefix+id).style.display = 'block';
		}
		else{
		    var currentlyID;
			currentlyID = display_prefix+i;
		    getObject(currentlyID).style.display = 'none';
		}
	}
  }