// JavaScript Document
var objAjax=null;
var action_ajax=0;
function  create_Ajax(URL,val)
{
	preload_ajax(val);
	if (window.XMLHttpRequest)
	{
		objAjax = new XMLHttpRequest();
		objAjax.onreadystatechange = process;
		objAjax.open("GET", URL, true);
		objAjax.send(null);
	} else if (window.ActiveXObject)
	{
		objAjax = new ActiveXObject("Microsoft.XMLHTTP");
		if (objAjax)
		{
			objAjax.onreadystatechange = process;
			objAjax.open("GET", URL, true);
			objAjax.send();
		}
	}
}
function preload_ajax(val)
{
	action_ajax=val;
	str='<img src="images/preload.gif" align="center" valign="middle" border="0"/>&nbsp;Loading...';
	switch (action_ajax)
	{
		case 1:break;// if(typeof(alert_bz)=='undefined')
					//alert_bz=showAlertDiv('bzAlert','Thêm vào playlist',300,100);
           // document.getElementById('bzAlertContent').innerHTML=str;
				//break;
		case 2://if(typeof(alert_bz)=='undefined')
					alert_bz=showAlertDiv('bzAlert','Lyric',572,270);
            document.getElementById('bzAlertContent').innerHTML=str;
				break;
		case 3:document.getElementById('Reg_Content').innerHTML=str;
				break;
		case 4:
			break;
		case 5:document.getElementById('onther_info').innerHTML=str;break;
		default:
		document.getElementById('media').innerHTML=str;
	}
}
function process()
{
	if (objAjax.readyState == 4)
	{
		if (objAjax.status == 200)
		{
			switch (action_ajax)
			{
				case 1:alert(objAjax.responseText);break;//document.getElementById('bzAlertContent').innerHTML=objAjax.responseText;break;
				case 2:document.getElementById('bzAlertContent').innerHTML=objAjax.responseText;break;
				case 3:document.getElementById('Reg_Content').innerHTML=objAjax.responseText;break;
				case 4:window.location.reload();break;
				case 5:document.getElementById('onther_info').innerHTML=objAjax.responseText;break;
				default:
					document.getElementById('media').innerHTML=objAjax.responseText;
			}
		}
	}
}