//=======================-------------------- FUNCTION SEND REQUEST -----------------------------------------
function obRequest(sUrl,divPlace,type){
		var div = document.getElementById(divPlace);
		var handleSuccess = function(o){
				if(o.responseText !== undefined){
						div.innerHTML = o.responseText;
					    setTimeout("show_chat("+type+")", 1000);
				}
		}
		var handleFailure = function(o){
				if(o.responseText !== undefined){
						div.innerHTML = "error";
				}
		}
		var callback ={
				success:handleSuccess,
				failure:handleFailure
		};
		//div.innerHTML = "<img src='images/loading.gif'>";
		var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, callback);
}

function obRequest2(sUrl,divPlace){
		//alert(sUrl);
		//alert(divPlace);
		var div = document.getElementById(divPlace);
		var handleSuccess = function(o){
				if(o.responseText !== undefined){
						div.innerHTML = o.responseText;
				}
		}
		var handleFailure = function(o){
				if(o.responseText !== undefined){
						div.innerHTML = "error";
				}
		}
		var callback ={
				success:handleSuccess,
				failure:handleFailure
		};
		//div.innerHTML = "<img src='images/loading.gif'>";
		var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, callback);
}

//==============----------------------------------------------- END -------------------------------------------====================

function getPrint(){
	var str = Math.random();
	obRequest("print.php?str="+str+"","mainBody");
}
function editTeacherSpecial(){
	var login = document.getElementById('login').value;
	var prefix = document.getElementById('prefix').value;
	var poname = document.getElementById('poname').value;
	var depart = document.getElementById('depart').value;
	var str = Math.random();
	obRequest("edit_teacher_special.php?str="+str+"&login="+login+"&prefix="+prefix+"&poname="+poname+"&depart="+depart+"","getRequestSpecial");
		alert('º¤');
		listTeacherSpecial();
}
function play_music(music_id){
	var str = Math.random();
	obRequest("play_music.php?str="+str+"&music_id="+music_id+"","main_music");
}
function show_descript(music_id){
	var str = Math.random();
	obRequest("show_descript.php?str="+str+"&music_id="+music_id+"","show_descript");
}
function show_chat(type){
	var str = Math.random();
	obRequest("show_chat.php?str="+str+"&type="+type+"&sdo=1","show_chat"+type+"",type);
}
function send_message(type,user_id){
	var str = Math.random();
	var message = document.getElementById("message["+type+"]").value;
	if(message=="" || message==" "){
		alert("กรุณากรอกข้อมูลให้ครบด้วยค่ะ");	
		return false;
	}
	obRequest("show_chat.php?str="+str+"&type="+type+"&sdo=2&message="+message+"&user_id="+user_id+"","show_chat"+type+"",type);
	document.getElementById("message["+type+"]").value = "";

}
function search_music(){
	var str = Math.random();
	var music_name = document.getElementById("music_name").value;
	obRequest2("search_music.php?str="+str+"&music_name="+music_name+"","show_check_music");
}