function GetXmlHttpObject(handler)
{   var objXMLHttp=null
	 if (window.XMLHttpRequest)
	 {
		objXMLHttp=new XMLHttpRequest();
	 }
	 else if (window.ActiveXObject)
	 {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	 return objXMLHttp;
}

function stateChanged_test_photo()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{	
		var allreslt = xmlHttp.responseText;
		tottags = allreslt.split("*-*");
		document.getElementById("show_next_photo").innerHTML=tottags[1];
		setAlltagsLeftTop(tottags[0]);
	}
	else
	{       
		//alert(xmlHttp.status);
	}
}

function photoalbum_next(path,id,album_id)
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp == null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url=path+"photoalbum/photo_change.php"
	var urls="id="+id;
	urls=urls+"&album_id="+album_id;
	//alert(url);
	urls=urls+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged_test_photo; 
	xmlHttp.open("POST",url,true) ;
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", urls.length);
	xmlHttp.setRequestHeader("Connection", "close");

	xmlHttp.send(urls);
}

function photoalbum_preview(path,id,album_id)
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp == null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url=path+"photoalbum/photo_change.php"
	var urls="id="+id;
	urls=urls+"&album_id="+album_id;
	urls=urls+"&previous=previous";
	//alert(urls);
	urls=urls+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged_test_photo; 
	xmlHttp.open("POST",url,true) ;
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", urls.length);
	xmlHttp.setRequestHeader("Connection", "close");

	xmlHttp.send(urls);
}