//展开
function showinfo()
{
document.getElementById("hidden1").removeAttribute('style');
document.getElementById("show1").removeAttribute('style');
document.getElementById("hidden1").setAttribute('style','cursor: pointer; display: none;');
document.getElementById("show1").setAttribute('style','cursor: pointer; display: inline-block;');
}
//隐藏
function hideInfo()
{
document.getElementById("hidden1").removeAttribute('style');
document.getElementById("show1").removeAttribute('style');
document.getElementById("hidden1").setAttribute('style','cursor: pointer; display: inline-block;');
document.getElementById("show1").setAttribute('style','cursor: pointer; display: none;');
}