var IE = document.all?true:false
var UserOK

//All fields with id filled in are required fields.
function cOn(td, color) {
    if(document.getElementById||(document.all && !(document.getElementById))) {
	  td.style.backgroundColor= color;
	  td.style.cursor = 'pointer';
	}
}
function cOut(td,color) {
    if(document.getElementById||(document.all && !(document.getElementById))) {
	  td.style.backgroundColor= color;
	}
}

//Smooth Resize
var timeoutLength = 50;
var pixelsPerTick = 20;
var originalHeight = 200;

function resize(stritem,list) {
	//status = document.getElementById('content1').offsetHeight;
	var style = document.getElementById(stritem).style;
	if (style.display != 'none') {
		if (document.getElementById(stritem).innerHTML.length>0){ 
		  smoothResize1(stritem);
		}
	} else {	  		
		document.getElementById(stritem).style.display = 'block';
		var arr = document.getElementById(list).value.split(',')
		for(var cnt=0;cnt<arr.length;cnt++){		
      if (arr[cnt] != '' &&(arr[cnt] != stritem)){
        if (document.getElementById(arr[cnt]).style.display == 'block'){
		      smoothResize1(arr[cnt]); //Dichtklappen
		    }
		  }
		}
		if (document.getElementById(stritem).innerHTML.length>0){	
		  smoothResize2(stritem,originalHeight);	//Openklappen
		}
	}
	//status = document.getElementById('content1').offsetHeight;
}
function smoothResize1(stritem) //Dichtklappen
{
	if ( (parseInt(document.getElementById(stritem).offsetHeight)-pixelsPerTick) <= 0 )
	{		
		document.getElementById(stritem).style.display = 'none';			
	}
	else
	{
		document.getElementById(stritem).style.height = parseInt(document.getElementById(stritem).offsetHeight-pixelsPerTick) + 'px' ;
		setTimeout("smoothResize1('"+stritem+"')",timeoutLength);			
	}
}
function smoothResize2(stritem,max) //Openklappen
{ 
	if ( (document.getElementById(stritem).offsetHeight+pixelsPerTick) >= max )
	{ 
		document.getElementById(stritem).style.height = max+'px';				
	}
	else
	{	  
	  document.getElementById(stritem).style.height = document.getElementById(stritem).offsetHeight+pixelsPerTick+'px';		
	  setTimeout("smoothResize2('"+stritem+"',"+max+")",timeoutLength);
	}
}
//End smooth Resize

function openOverlay(title,url,width,height) {
	GB_showCenter(title, url, /* optional */ height, width)
}

function initSIFR() {
	if(typeof sIFR == "function"){
		// header big, black
        
        sIFR.replaceElement(named( {
			sSelector:"h1",
			sFlashSrc:"http://www.mpl.nl/flash/h1.swf",
			sColor:"#0D3E66",
			sWmode:"transparent",
			nPaddingTop:0,
			nPaddingBottom:0,
			sFlashVars:"textalign=left&offsetTop=0"
			}
		));
		// header big, black
		sIFR.replaceElement(named( {
			sSelector:".cursusrow h2",
			sFlashSrc:"http://www.mpl.nl/flash/h2.swf",
			sColor:"#777777",
			sLinkColor:"#777777", 
			sHoverColor:"#303030", 
			sWmode:"transparent",
			sCase:"upper",
			nPaddingTop:0,
			nPaddingBottom:0,
			sFlashVars:"textalign=left&offsetTop=0"
			}
		));
		sIFR.replaceElement(named( {
			sSelector:"h2.red",
			sFlashSrc:"http://www.mpl.nl/flash/h2.swf",
			sColor:"#B33030",
			sLinkColor:"#B33030", 
			sWmode:"transparent",
			sCase:"upper",
			nPaddingTop:0,
			nPaddingBottom:0,
			sFlashVars:"textalign=left&offsetTop=0"
			}
		));
		sIFR.replaceElement(named( {
			sSelector:"h2",
			sFlashSrc:"http://www.mpl.nl/flash/h2.swf",
			sColor:"#333333",
			sLinkColor:"#333333", 
			sHoverColor:"#B33030", 
			sWmode:"transparent",
			sCase:"upper",
			nPaddingTop:0,
			nPaddingBottom:0,
			sFlashVars:"textalign=left&offsetTop=0"
			}
		));
		sIFR.replaceElement(named( {
			sSelector:"h3",
			sFlashSrc:"http://www.mpl.nl/flash/h3.swf",
			sColor:"#0D3E66",
			sWmode:"transparent",
			nPaddingTop:0,
			nPaddingBottom:0,
			sFlashVars:"textalign=left&offsetTop=0"
			}
		));
	};
}

function getCheckboxValue(id) {
	var allInputTags = document.getElementById(id+'_group').getElementsByTagName('INPUT');
	for (var c=0; c<allInputTags.length; c++) {
		if (allInputTags[c].checked) {
			return allInputTags[c].value;
			break;
		}
	}
	return ""
}

function display(id,arr) {
	if(arr!=undefined) {
		var a = arr.split(',')
		for(i=0;i<a.length;i++){
			document.getElementById(a[i]).style.display='none'
		}
	}
	var obj = document.getElementById(id).style
	if(obj.display=='none'){
		obj.display='block'
	}
	return false
}

function hide(id){if(document.getElementById(id)) document.getElementById(id).style.display='none'}

function del_onclick(str) {
	return confirm('Weet u zeker dat u ' + str + ' wilt verwijderen?');
}

function selAll() {
	var span = document.getElementById('checkboxes').getElementsByTagName('INPUT')
	var select = span[0].checked
	for(i=0;i<span.length;i++){
		if(span[i].type=='checkbox'){
			span[i].checked = select
		}
	}
}

function countChars(id,qty) {
	var obj = document.getElementById(id)
	obj.onclick=function(){document.getElementById('cntChars').innerHTML = qty - obj.value.length}
	obj.onkeyup=function(){document.getElementById('cntChars').innerHTML = qty - obj.value.length}
	document.getElementById('cntChars').innerHTML = qty - obj.value.length;
	document.getElementById('charQty').value = qty;
}



function printme() {
	var objOut = document.getElementById("output");
	var out = objOut.innerHTML;
		
	var wh = window.open("","wh","width=640px,height=480px,scrollbars=yes");
	wh.document.open();
	var output = '<link href="css/print.css" rel="stylesheet" type="text/css">';
	output = '<html><head>'+output+'</head><body>'+out.replace('<object','<!--object').replace('/object>','/object-->')+'</body></html>';
	output += '<'+'script type="text/javascript">';
	output += 'setTimeout("window.print()",2000);';	
	output += '</'+'script>';
	wh.document.writeln(output);
	wh.document.close();
}

function mozCheck() {
	if(!IE){
		document.getElementById('menu_spacer1').style.width = '1600px';
		document.getElementById('menu_spacer2').style.width = '1600px';
		document.getElementById('menu_spacer3').style.width = '1600px';
		document.getElementById('topnav_container').style.width = '100%';
	}
}

function getSubscribeCount(obj)
{
	if(obj.value=="-1")return;
    var http_request = GetHttpRequest();
    if(!http_request) return false; // Kan geen ajax component aanmaken.
    var url = "http://www.mpl.nl/xml/getSubscribeCount.xml.asp?id="+obj.value
    
    document.getElementById("Eventid").value = obj.value;
    http_request.onreadystatechange = function() { HandleSubscribeCount(http_request); };
    http_request.open('GET', url, true);
    http_request.send(null);
}

function HandleSubscribeCount(http_request)
{
    if (http_request.readyState == 4)
    {
        if (http_request.status == 200) 
        {
            var xmldoc = http_request.responseXML;
            var action_node = xmldoc.getElementsByTagName('count').item(0);
            document.getElementById('available').value = action_node.firstChild.data;
           
            if(Number(action_node.firstChild.data)>0)
            {
                document.getElementById('txtAvailable').innerHTML = "<p><strong>Er zijn nog " + action_node.firstChild.data + " plekken beschikbaar.</strong></p>";
                document.getElementById('formBlock').style.display = 'block';
            }
            else
                document.getElementById('txtAvailable').innerHTML = '<p><strong>Voor deze cursus zijn geen plekken meer beschikbaar.</strong></p>'
        }	
    }
}