function hasNextImg( orgName ){

	var data = "orgName=" + orgName;
	data = data + "&" + "phtName=" + orgName;
	
	sendRequest( _replaceHasNextImg, data, "POST", "/util/nextImg/call_get_next_img.asp", true );
	
}

function _replaceHasNextImg(oj){

	var xmlDoc  = oj.responseXML;	
	
	var nodesResult = xmlDoc.getElementsByTagName("result");
	var result = nodesResult[0].firstChild.nodeValue;
	
	switch (result){

	case "rotate": 
		var strTemp = "";			
		strTemp = strTemp + ' Click picture for more! ';
		
		var objImage = document.getElementById("spnImageMsg");
		objImage.innerHTML = strTemp;

		var norgName = xmlDoc.getElementsByTagName("orgName");

		strTemp = "";			
		strTemp = strTemp + '<a href="javascript:getNextImg(\'' + norgName[0].firstChild.nodeValue + '\', \'' + norgName[0].firstChild.nodeValue + '\');"><img border="0" src="/';
		strTemp = strTemp + norgName[0].firstChild.nodeValue;
		strTemp = strTemp + '" alt="Click for more picture" ></a>';
		
		var objImage = document.getElementById("spnImage1");
		objImage.innerHTML = strTemp;

		return;
		break;
	
	case "nomore": 
		var strTemp = "";			
		var objImage = document.getElementById("spnImageMsg");
		objImage.innerHTML = strTemp;
		return;
		break;

	}	
}

function getNextImg( orgName, phtName ){

	var data = "orgName=" + orgName;
	data = data + "&" + "phtName=" + phtName;
	
	sendRequest( _replaceGetNextImg, data, "POST", "/util/nextImg/call_get_next_img.asp", true );
	
}

function _replaceGetNextImg(oj){

	var xmlDoc  = oj.responseXML;	
	
	var nodesResult = xmlDoc.getElementsByTagName("result");
	var result = nodesResult[0].firstChild.nodeValue;
	
	switch (result){

	case "rotate": 
		// go on
		break;
	
	case "nomore": 
		window.alert("there's no more picture");
		return;
		break;

	default:
		window.alert("Sorry! DO it again in few seconds later. \n\n" + result);
		return;
		break;	  
	}

	//query string
	var norgName = xmlDoc.getElementsByTagName("orgName");
	var nphotoName = xmlDoc.getElementsByTagName("photoName");
	
	var strTemp = "";			
	strTemp = strTemp + '<a href="javascript:getNextImg(\'' + norgName[0].firstChild.nodeValue + '\', \'' + nphotoName[0].firstChild.nodeValue + '\');"><img border="0" src="/';
	strTemp = strTemp + nphotoName[0].firstChild.nodeValue;
	strTemp = strTemp + '" alt="click for more picture" ></a>';
	
	var objImage = document.getElementById("spnImage1");
	objImage.innerHTML = strTemp;
	
}