// JavaScript Document
function GetObj(objName){
 if(document.getElementById){
  return document.getElementById(objName);
 }else if(document.layers){
  return document.layers[objName];
 }else if(document.all){
  return document.all[objName];
 }else{
  throw new Error("can not reach the element");
}
}

//实现单点单开
function selectMenu(div_now,con_now,div_name,con_name,div_num){
	/*
	for(var i = 0; i < div_num; i++){
		eval("var div_name_" + i + " = GetObj('" + div_name + i + "')");
		eval("var con_name_" + i + " = GetObj('" + con_name + i + "')");	
		eval("div_name_" + i + " .className = 'title'");
		eval("con_name_" + i + " .style.display = 'none'");
	}
	*/
	if (con_now.style.display == ''){
		div_now.className='title';
		con_now.style.display = 'none';
	}else{
		div_now.className='title2';
		con_now.style.display = '';
	}
}

//实现全部关闭
function selectMenu1(div_now,con_now,div_name,con_name,div_num){

	for(var i = 0; i < div_num; i++){
		eval("var div_name_" + i + " = GetObj('" + div_name + i + "')");
		eval("var con_name_" + i + " = GetObj('" + con_name + i + "')");	
		eval("div_name_" + i + " .className = 'title'");
		eval("con_name_" + i + " .style.display = 'none'");
	}
	div_now.className='title2';
	con_now.style.display = '';
}

function selectMenuClose(div_now,con_now,div_name,con_name,div_num){

	for(var i = 0; i < div_num; i++){
		eval("var div_name_" + i + " = GetObj('" + div_name + i + "')");
		eval("var con_name_" + i + " = GetObj('" + con_name + i + "')");	
		eval("div_name_" + i + " .className = 'title'");
		eval("con_name_" + i + " .style.display = 'none'");
	}
}