function $(objName){return(document.getElementById(objName));}  //转换ID

//首页书签转换
//i = 一级节点
//j = 二级节点
//num = 二级长度
//classname1 = 离开样式
//classname2 = 焦点样式
function index_sqzh(i,j,num,classname1,classname2)
{
	for(t=1;t<=num;t++)
	{
		$("index_sq_title_"+ i +"_"+ t).className = classname1;
		$("index_sq_text_"+ i +"_"+ t).style.display = "none";
	}
	$("index_sq_title_"+ i +"_"+ j).className = classname2;
	$("index_sq_text_"+ i +"_"+ j).style.display = "";
}