// JavaScript Document
var ajax='';
function buy(parameter)
{
    if (window.ActiveXObject)
    {
        ajax = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest)
    {
        ajax = new XMLHttpRequest();
    }
    else
    {
        return false;
    }
    ajax.open("POST", "/buy.ashx", true);
    ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    ajax.send("op=buy&id="+parameter);
    ajax.onreadystatechange = AddBuyOK;
}
function AddBuyOK()
{
    if ( ajax.readyState == 4 )
	{
		if ( ajax.status == 200 )
		{ 
		    var tbo= ajax.responseText;
            if (tbo=='')
            {
                return false;  
            }
            else
            {
                var arr=tbo.split('$Arry$');
                if (arr[0]=='OK')
                {
                    document.getElementById(arr[1]).innerHTML=arr[2];
                    document.getElementById('right_cart').innerHTML=arr[3];
                }
                else
                {
                    alert(arr[1]);
                }
            }	
		}
		else
		{
			alert("你所請求的畫面發生異常，可能影響你瀏覽信息！" + ajax.status); 
		}
    }    
}