// pharmachannel.js



// Function to popup windows with specified width en height

function WindowPopup(URL, width, height)
{
    day = new Date();
    id = day.getTime();
    w_left = screen.availWidth / 2 - width / 2;
    w_top = screen.availHeight / 2 - height / 2;
    eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height+',left='+w_left+',top='+w_top+',screenX='+w_left+',screenY='+w_top);");
}

function ResizablePopup(URL, width, height)
{
    day = new Date();
    id = day.getTime();
    w_left = screen.availWidth / 2 - width / 2;
    w_top = screen.availHeight / 2 - height / 2;
    eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=' + width + ',height=' + height+',left='+w_left+',top='+w_top+',screenX='+w_left+',screenY='+w_top);");
}


// Function to attach the follow function to the onmousemove event

function startFollowingMouse()
{
	document.onmousemove = follow;	
}

// Prototype function to compare arrays

Array.prototype.compareArrays = function(arr) 
{
	if (this.length != arr.length) 
		return false;
    for (var i = 0; i < arr.length; i++) 
	{
        if (this[i].compareArrays) 
		{ //likely nested array
            if (!this[i].compareArrays(arr[i])) 
				return false;
            else 
				continue;
        }
        if (this[i] != arr[i]) 
			return false;
    }
    return true;
}

String.prototype.visualLength = function()
{
    var ruler = document.getElementById("ruler");
    ruler.innerHTML = this;
    return ruler.offsetWidth;
}

String.prototype.trimToPx = function(length)
{
    var tmp = this;
    var trimmed = this;
    if (tmp.visualLength() > length)
    {
        trimmed += "...";
        while (trimmed.visualLength() > length)
        {
            tmp = tmp.substring(0, tmp.length-1);
            trimmed = tmp + "...";
        }
    }

    return trimmed;
}
	
xmlhttp = getxmlhttp();

// Function to create a XMLHttp Object.
function getxmlhttp ()
{
	var xmlhttp = false;
	
	try
	{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch (e)
	{
		try 
		{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (E)
		{
			xmlhttp = false;
		}
	}
	
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined')
	{
		xmlhttp = new XMLHttpRequest();
	}
	
	return xmlhttp;
}

// Function to process the return value from de login function
function processLogin()
{
	if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
	{
		var loginResult = eval('(' + xmlhttp.responseText + ')');
		if (loginResult.loggedIn)
			document.location = "uitleg.html";
		else
		{
			document.getElementById("password_error").innerHTML = '&nbsp;' + loginResult.error;
			document.getElementById("loginButtonHolder").innerHTML = 
	  			'<input type="button" value="" class="button" id="loginButton" onclick="submitLogin()" />';
		}
	}
}
			
// Function to submit login form
function submitLogin ()
{
	document.getElementById("login_error").innerHTML = '';
	document.getElementById("password_error").innerHTML = '';
	
	if (document.getElementById("login").value != '')
	{
		if (document.getElementById("password").value != '')
		{
			document.getElementById("loginButtonHolder").innerHTML = 
				'<div class="busyImage"><img src="/images/busy.gif" class="busy" /></div> ' +
				'<div class="busyText">Controleren gegevens...</div>';
			
			var query = "login=" + document.getElementById("login").value + "&password=" + document.getElementById("password").value;
			
			xmlhttp.open("POST", "/mijnapotheek/login.php", true);
			xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
			xmlhttp.onreadystatechange = processLogin;
			xmlhttp.send(query);
		}
		else
		{
			document.getElementById("password_error").innerHTML = '&nbsp;U moet een wachtwoord invullen!';
		}
	}
	else
	{
		document.getElementById("login_error").innerHTML = '&nbsp;U moet een login code invullen!';
	}
}

// Function to log a location out
function logout()
{
	xmlhttp.open("GET", "/mijnapotheek/logout.php", true);
	xmlhttp.onreadystatechange = function() 
	{
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
		{
			document.location = "/mijnapotheek/login.html";
		}
	}
	xmlhttp.send(null);
}


// Functinos to retreive the absolute position of an element

function findPosX(obj)
{
	var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
        	curleft += obj.offsetLeft;
            if(!obj.offsetParent)
            	break;
          	obj = obj.offsetParent;
        }
    else if(obj.x)
    	curleft += obj.x;
    return curleft;
}

function findPosY(obj)
{
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
		    curtop += obj.offsetTop;
            if(!obj.offsetParent)
            	break;
          	obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
}


// Function to show / fill and resize (needed for IE6) the hint text popup

function showHint(index)
{
	var hintText = '';
	var hintObj = document.getElementById('hintBox');
	
	switch(index)
	{
		case 0: hintText = 'bekijk dit filmpje'; hintObj.style.width = '93px'; hintObj.style.top = (y - 40) + 'px'; break;
		case 1: hintText = 'achtergrondinformatie over dit filmpje'; hintObj.style.width = '213px'; hintObj.style.top = (y - 40) + 'px'; break;
		case 2: hintText = 'wijzig dit filmpje'; hintObj.style.width = '90px'; hintObj.style.top = (y - 40) + 'px'; break;
		case 3: hintText = 'Pharma Channel spant zich in om binnen 3 werkdagen uw nieuwe/gewijzigde filmpje te vertonen op uw beeldscherm.'; hintObj.style.width = '300px'; hintObj.style.height = 'auto'; hintObj.style.top = (y - 80) + 'px'; break;
	}
	
	hintObj.innerHTML = hintText;
	
	hintObj.style.left = (x - 20) + 'px';
	
	hintObj.style.visibility = 'visible';
}

// Function to hide the hint text popup

function hideHint()
{
	document.getElementById('hintBox').style.visibility = 'hidden';
}

// Functions and variables used for following the mouse cursor

var offX = 15;          // X offset from mouse position
var offY = 15;          // Y offset from mouse position

var x;
var y;


function mouseX(evt) 
{
	if (!evt) evt = window.event; 
	if (evt.pageX) 
		return evt.pageX; 
	else if (evt.clientX)
		return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); 
	else 
		return 0;
}

function mouseY(evt) 
{
	if (!evt) 
		evt = window.event; 
	if (evt.pageY) 
		return evt.pageY; 
	else if (evt.clientY)
		return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); 
	else 
		return 0;
}

function follow(evt) 
{
	x = parseInt(mouseX(evt))+offX;
	y = parseInt(mouseY(evt))+offY;
}


function demoMessage()
{
	alert('Dit is een demo!');
}