function onMouseClick(object)
{
	object.value = "";
	object.focus();
}
function rowOverEffect(object) {
  if (object.className == 'clsButton') object.className = 'clsButtonOver';
  if (object.className == 'clsMenuItem') object.className = 'clsMenuItemOver';
  if (object.className == 'TopicTitle') object.className = 'TopicTitleOver';	
}

function rowOutEffect(object) {
  if (object.className == 'clsButtonOver')  object.className = 'clsButton';
  if (object.className == 'clsMenuItemOver')  object.className = 'clsMenuItem';
  if (object.className == 'TopicTitleOver') object.className = 'TopicTitle';
}

function is_valid_email(strEmail) {
	return (strEmail.indexOf(".") > 2) && (strEmail.indexOf("@") > 0);
}

function is_numeric(sText) {
	var ValidChars = "0123456789.";
	var IsNumber   = true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) 	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;
}
function check_register_form_event(frmName, strMessage1, strMessage2, strMessage3) {
	if ( document.forms[frmName].fullname.value == '' || document.forms[frmName].birthday.value == '' || document.forms[frmName].address.value == '' || document.forms[frmName].telephone.value == '' || document.forms[frmName].cmnd.value == ''|| document.forms[frmName].email.value == '') 
	{
		alert(strMessage1);
		return false;
	}
	if ( !is_numeric(document.forms[frmName].cmnd.value) ) 
	{
		alert(strMessage2);
		return false;
	}
	if ( !is_valid_email(document.forms[frmName].email.value) ) 
	{
		alert(strMessage3);
		return false;
	}
	return true;
}
function submit_register_form_event(frmName, strMessage1, strMessage2, strMessage3) {
	if ( check_register_form_event(frmName, strMessage1, strMessage2, strMessage3) )
		document.forms[frmName].submit();
}
function goUrl()
{
	window.location="../event/information_event.php"
}

function goIntro()
{
	window.location="../event/introduce_event.php"
}

function GoHome()
{
	window.location="../web/list.php"
}

function goTest()
{
	window.location="../event/quiz_test_event.php" 
}
///////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//convert from string to array string
function StringToArray_img(str)
{
	
	var strArray = new Array();
	var index1 = 0;
	var index2 = 0;
	var strtemp = "";
	
	while ( index1 < str.length )
	{
		if (str.substr(index1,1) != '~')
		{
			strtemp += str.substr(index1,1);
			index1++;
		}
		else
		{
			strArray[index2] = strtemp ;
			strtemp = "";
			index1++;
			index2++;
		}										
	}		
	return strArray ;
}		
		
var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) 
{
	XMLHttpRequestObject = new XMLHttpRequest();
} 
else if (window.ActiveXObject) 
	{
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
function getData(dataSource, divID1, divID2, divID3,  divID4)
{
	if(XMLHttpRequestObject) 
	{
		var obj1 = document.getElementById(divID1);
		var obj2 = document.getElementById(divID2);
		var obj3 = document.getElementById(divID3);
		var obj4 = document.getElementById(divID4);				
		XMLHttpRequestObject.open("GET", dataSource,true);
		//XMLHttpRequestObject.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
		//XMLHttpRequestObject.setRequestHeader('charset', 'iso-8859-1');
		XMLHttpRequestObject.onreadystatechange = function()
		{
			if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) 
			{
				//obj.innerHTML = XMLHttpRequestObject.responseText;
				var text = XMLHttpRequestObject.responseText;
				var strArray_img = new Array();
				strArray_img = StringToArray_img(text);
				
				//get url image
				url_image = "../images/imagegallery/"+ strArray_img[1];
				
				//get size image
				var image_size = new Image();
				image_size.src  = url_image;
				
				//show data
				obj1.innerHTML =strArray_img[0];
				obj2.innerHTML = "<a href=javascript:openImage('"+ url_image + "'," + image_size.height + ',' + image_size.width +")><img src= ../images/imagegallery/" + strArray_img[1]  + " alt =" + '"' + strArray_img[0] + '"' + " ></a>";
				obj3.innerHTML = strArray_img[2];
				obj4.innerHTML = strArray_img[3];



			}
		}
		//var data = "test";
		XMLHttpRequestObject.send(null);
	}
}