function showBookImage(src)
{
	var imagetd = document.getElementById("bookimage");
	imagetd.innerHTML = "<image src='"+$path+"/"+src+"' width=170 height=234></image>";
}
function showMusicImage(src)
{
	var imagetd = document.getElementById("bookimage");
	imagetd.innerHTML = "<image src='"+$path+"/"+src+"' width=175 height=145></image>";
}
function showPressImage(src)
{
	var imagetd = document.getElementById("bookimage");
	imagetd.innerHTML = "<image src='"+$path+"/"+src+"' width=145 height=215></image>";
}
function addToShoppingCart(product_id)
{
	var url = null;
	if(product_id == null || product_id<1)
	{
		url =$path+"/order.htm?action=getShoppingCart"
	}
	else
	{
		url = $path+"/order.htm?action=addToShoppingCart&product_id="+product_id;
	}
	var newwindow = window.open(url);
	newwindow.focus();
}
function checksearch()
{
	var key = $("key");
	if(key.value.length<=0)
	{
		alert("请输入关键字");
		return false;
	}
	return true;
}