var resultPlace;

function getHTTPObject() {
    if (window.ActiveXObject) {
        return new ActiveXObject("Microsoft.XMLHTTP");
    } else if (window.XMLHttpRequest) {
        return new XMLHttpRequest();
    } else {
        alert("Your browser does not support AJAX.");
        return null;
    }
}
function setOutput() {
    if (httpObject.readyState === 4) {
        switch (resultPlace) {
        case 1:
            document.getElementById('operation').innerHTML = httpObject.responseText;
			if ( window.student !== undefined ) {
				showmenu(course);
			}
            break;
        case 2:
            document.getElementById('up').innerHTML = httpObject.responseText;
            break;
        case 3:
            document.getElementById('result').innerHTML = httpObject.responseText;
            break;
        case 4:
            document.getElementById('fa').innerHTML = httpObject.responseText;
            break;
        case 5:
            document.getElementById('stu').innerHTML = httpObject.responseText;
            break;
        case 6:
            document.getElementById('menu').innerHTML = httpObject.responseText;
            break;
        case 7:
            document.getElementById('stu').innerHTML = httpObject.responseText;
            break;
        case 8:
            document.getElementById('zo').innerHTML = httpObject.responseText;
            break;
        case 9:
            document.getElementById('home').innerHTML = httpObject.responseText;
            break;
        case 10:
            document.getElementById('subaccount').innerHTML = httpObject.responseText;
            break;
        default:
            if (resultPlace !== "") {
                document.getElementById(resultPlace).innerHTML = httpObject.responseText;
            } else {
                alert("Unknown result place!");
            }
        }
    }
}
function opencourse(val) {
    resultPlace = 1;
	student = 1;
	course = val;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=opencourse&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function addhw(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=StepOne&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function nexthomework(val, hwkey) {
    resultPlace = 1;
    var val1 = document.getElementById('hn').value;
    var val2 = document.getElementById('hc').value;
    var val3 = document.getElementById('date1').value;
    var val4 = document.getElementById('date2').value;
    var val5 = document.getElementById('hf').value;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=StepTwo&id=' + val + '&hname=' + val1 + '&hcapacity=' + val2 + '&startdate=' + val3 + '&enddat=' + val4 + '&numfield=' + val5 + '&hwkey=' + hwkey + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function edithomework(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=edithomework&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function nextedithomework(val, hwkey) {
    resultPlace = 1;
    var val1 = document.getElementById('hn').value;
    var val2 = document.getElementById('hc').value;
    var val3 = document.getElementById('date1').value;
    var val4 = document.getElementById('date2').value;
    var val5 = document.getElementById('hf').value;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=StepTwoEdit&id=' + val + '&hname=' + val1 + '&hcapacity=' + val2 + '&startdate=' + val3 + '&enddat=' + val4 + '&numfield=' + val5 + '&hwkey=' + hwkey + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function deletehomework(val, hwkey) {
    var val1 = confirm("are you sure want to delete this homework?");
    if (val1 === true) {
		resultPlace = 'result' + val;
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=deletehomework&id=' + val + '&hwkey=' + hwkey + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
    } else {}
}


function addroom(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=addroom&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function nextaddroom(val1) {
    resultPlace = 1;
    var val2 = document.getElementById('hn').value;
    var val3 = document.getElementById('msg').value;
    var val4 = document.getElementById('date1').value;
    var val5 = document.getElementById('date2').value;
    var val6 = document.getElementById('room_id').value;
	if (val2 !== "" && val3 !== "" && val4 !== "" && val5 !== "") {
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=nextaddroom&id=' + val1 + '&rid=' + val6 + '&title=' + val2 + '&msg=' + val3 + '&start=' + val4 + '&end=' + val5 + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
	} else {
		alert('You have to fill in all the fields');
	}
}
function viewcalendar(val) {
    var k = window.open('http://' + window.location.hostname + "/calendar.php?id=" + val, "Date", "width=200, height=240, top=50, left=250");
    k.resizeTo(200, 240);
    k.moveTo(300, 300);
}
function insertdate(d, t) {
    window.close();
    if (t == 1) {
        window.opener.document.getElementById('date1').value = d;
    } else {
        window.opener.document.getElementById('date2').value = d;
    }
}
function showmenu(val) {
    resultPlace = 6;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=openmenu&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function shome(val) {
    resultPlace = 9;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=showhomeworks&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function openhw(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=openhomeworks&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function marks(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showhomework&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function smarks(val1, val2) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=showmarks&id=' + val1 + '&sid=' + val2 + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function openh(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=browsehomework&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function updatemark(val1, valz, val2, val3) {
    resultPlace = 'cm' + val3;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=addmark&va=' + val1 + '&key=' + val2 + '&sid=' + val3 + '&id=' + valz + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function updatenoteformark(val1, valz, val2, val3) {
    resultPlace = 'cm' + val3;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=addnote&va=' + val1 + '&key=' + val2 + '&sid=' + val3 + '&id=' + valz + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function showcourse(val) {
    resultPlace = 7;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=showco&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function opera(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=courseperation&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function ret(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showcourse&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function borwse(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=browse&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function news(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=news&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function snews(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=news&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function addnews(val) {
    resultPlace = 1;
    var val1 = document.getElementById('ti').value;
    var val2 = document.getElementById('tx').value;
    var val3 = document.getElementById('newsid').value;
    if (val1 !== "" && val2 !== "") {
        httpObject = getHTTPObject();
        if (httpObject !== null) {
            httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=addnews&newsid=' + val3 + '&id=' + val + '&title=' + val1 + '&text=' + val2 + '&time=' + Math.random() * 100000);
            httpObject.onreadystatechange = setOutput;
            httpObject.send(null);
        } else {
            alert("Error!");
        }
    } else {
        alert("empty");
    }
}
function upload(val) {
    var winpops = window.open("http://" + window.location.hostname + "/functions.php?type=upload&id=" + val, "files", "width=450,height=360,status=yes,scrollbars=yes,location=no");
}
function info(val) {
    var winpops = window.open("http://" + window.location.hostname + "/functions.php?type=info&id=" + val, "", "width=400,height=100,status");
}
function delco(val) {
    var val1 = confirm("are you sure want to delete this course?!!");
    if (val1 === true) {
		resultPlace = 'result' + val;
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=disablecourse&id=' + val + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
    } else {}
}
function settc(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showsetting&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function savesettings(val) {
	var val2 = document.getElementById('hwcheck').checked;
	var val3 = document.getElementById('rmcheck').checked;
	var val4 = document.getElementById('newscheck').checked;
	var val5 = document.getElementById('flcheck').checked;
	var val6 = document.getElementById('mkcheck').checked;
	var val7 = document.getElementById('grcheck').checked;
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showsetting&id=' + val + '&do=savesettings&hw=' + val2 + '&rm=' + val3 + '&news=' + val4 + '&fl=' + val5 + '&mk=' + val6 + '&gr=' + val7 + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function setclosecourse(val) {
    resultPlace = 3;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showsetting&id=' + val + '&do=openclose&now=close&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function setopencourse(val) {
    resultPlace = 3;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showsetting&id=' + val + '&do=openclose&now=open&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function activate(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=activate&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function active(val) {
    resultPlace = 'result' + val;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=active&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function down(val) {
    window.location.href = val;
}
function showfiles(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=showfiles&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function detai(val) {}
function subsc(val1, val2) {
    resultPlace = 8;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=supscribe&id=' + val1 + '&sid=' + val2 + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function deactive(val) {
    resultPlace = 'result' + val;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=deactive&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}
function editnews(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=editnews&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function deletenews(val) {
    var val1 = confirm("are you sure want to delete this news?");
    if (val1 === true) {
		resultPlace = 'result' + val;
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=deletenews&id=' + val + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
    } else {}
}

function editroom(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=editroom&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function showroommessage(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showroommessage&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function deleteroom(val) {
    var val1 = confirm("are you sure want to delete this room?");
    if (val1 === true) {
		resultPlace = 'result' + val;
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=deleteroom&id=' + val + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
    } else {}
}


function readnews(val1, val2, val3) {
    resultPlace = 8;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=readnews&id=' + val1 + '&course=' + val2 + '&user=' + val3 + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function showreadnews(val, val2) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showreadnews&id=' + val + '&newsid=' + val2 + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function slistroom(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=listroom&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function sopenroom(val) {
    resultPlace = 1;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=openroom&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function saddroommessage(val1) {
    resultPlace = 2;
    var val2 = document.getElementById('msg').value;
    var val3 = document.getElementById('room_id').value;
    var val4 = document.getElementById('user_id').value;
	if (val2 !== "" && val3 !== "" && val4 !== "") {
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=s&action=saddroommessage&id=' + val1 + '&rid=' + val3 + '&uid=' + val4 + '&msg=' + val2 + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
	} else {
		alert('You have to fill in all the fields');
	}
}

function showstats(val) {
    resultPlace = 10;
    httpObject = getHTTPObject();
    if (httpObject !== null) {
        httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=showstats&id=' + val + '&time=' + Math.random() * 100000);
        httpObject.onreadystatechange = setOutput;
        httpObject.send(null);
    } else {
        alert("Error!");
    }
}

function disableaccount(val) {
    var val1 = confirm("are you sure want to delete this account?");
    if (val1 === true) {
		resultPlace = 'result' + val;
		httpObject = getHTTPObject();
		if (httpObject !== null) {
			httpObject.open('get', 'http://' + window.location.hostname + '/shake.php?type=t&action=disableaccount&id=' + val + '&time=' + Math.random() * 100000);
			httpObject.onreadystatechange = setOutput;
			httpObject.send(null);
		} else {
			alert("Error!");
		}
    } else {}
}