// JavaScript Document

<!-- Original:  Robert Bui (astrogate@hotmail.com) -->
<!-- Web Site:  http://astrogate.virtualave.net -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
var interval = 3.5; // delay between rotating images (in seconds)
var random_display = 0; // 0 = no, 1 = yes
interval *= 1000;

var image_index = 0;
image_list = new Array();
image_list[image_index++] = "/images/rotator/sushi-workshop-thuis-2_9dfcd.jpg";image_list[image_index++] = "/images/rotator/sushi-catering_c3e87.jpg";image_list[image_index++] = "/images/rotator/sushi-workshop-op-een-boot_5807a.jpg";image_list[image_index++] = "/images/rotator/sushi-demo_a6665.jpg";image_list[image_index++] = "/images/rotator/sushi-workshop-2_8f532.jpg";image_list[image_index++] = "/images/rotator/sushi-workshop-thuis-_fae0b.jpg";image_list[image_index++] = "/images/rotator/sushi_b7068.jpg";image_list[image_index++] = "/images/rotator/sushi-demo-2_9f53d.jpg";
var number_of_image = image_list.length;

function generate(x, y) {
var range = y - x + 1;
return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
if (random_display) {
image_index = generate(0, number_of_image-1);
}
else {
image_index = (image_index+1) % number_of_image;
}
var new_image = image_list[image_index];
return(new_image);
}

function rotateImage(place) {
var new_image = getNextImage();
document.getElementById(place).src = new_image;
var recur_call = "rotateImage('"+place+"')";
setTimeout(recur_call, interval);
}
//  End -->


function setScroll()
{
	
	var index = 0;
	setTimeout('headerScroll(\''+index+'\');',3000);
	
}

function headerScroll(index){
	
	var headers = new Array();
	
	headers[0] = '<h1>Wilt u ook sushi leren maken?</h1>';
headers[1] = '<h1>SUSHI WORKSHOPS!</h1>';
headers[2] = '<h1>SUSHI CATERING!</h1>';
headers[3] = '<h1>SUSHI DEMONSTRATIE! ( SHOW )</h1>';
headers[4] = '<h1>SUSHI BREAK!</h1>';
headers[5] = '<h1>SUSHI EXTRA!</h1>';
headers[6] = '<h1>SUSHI VARENDE!</h1>';
headers[7] = '<h1>Sushi cursus</h1>';
headers[8] = '<h1>sushi workshop in amsterdam</h1>';
headers[9] = '<h1>sushi workshop in delft</h1>';
headers[10] = '<h1>sushi workshop in utrecht</h1>';
headers[11] = '<h1>sushi bij u thuis!</h1>';
	
	var header_count = headers.length;

	if(header_count > 1)
	{

		index = parseInt(index);

		if(index == header_count-1)
		{
			document.getElementById('header_h1').innerHTML = headers[index]+headers[0];
		}
		else
		{
			
			var tweede = index+1;
			document.getElementById('header_h1').innerHTML = headers[index]+headers[tweede];
		}
	
		
		if(index < header_count-1)
		{
			index++;
			
		}
		else
		{
			index = 0;
		}
		scrollHeader(index);
		
	}
		
}

function scrollHeader(index)
{
		
	var top = parseInt(document.getElementById('header_h1').getElementsByTagName('h1').item(0).style.marginTop);
	
	if(isNaN(top))
	{
		
		document.getElementById('header_h1').getElementsByTagName('h1').item(0).style.marginTop = '0px';
		var top = 0;
		
	}
	
	var newTop = top-1;
	
	document.getElementById('header_h1').getElementsByTagName('h1').item(0).style.marginTop = newTop+'px';

	if(newTop > -40)
	{
		
		setTimeout('scrollHeader(\''+index+'\');',50);
		
	}
	else
	{
		
		setTimeout('headerScroll(\''+index+'\');',3000);
		
	}
	
}

function inschrijving(obj, datum, datum_tekst, locatie)
{
	document.getElementById('opendatum').value = datum;
	document.getElementById('openlocatie').value = locatie;
	document.getElementById('datumopen').innerHTML = datum_tekst;
	document.getElementById('locatieopen').innerHTML = '&nbsp;in '+locatie;
	
}

function check(formulier)
{   
	if (formulier.email.value=="")
	{      
		alert("Vul uw email in.");
		return false;   
	}     
	else if (formulier.email.value=="Uw e-mail adres")
	{      
		alert("Vul uw email in!");
		return false;   
	}
	else if (formulier.naam.value=="")
	{      
		alert("Vul uw naam in.");
		return false;   
	}     
	else if (formulier.naam.value=="Uw naam")
	{      
		alert("Vul uw naam in!");
		return false;   
	}
	else if (formulier.email.value.length < 8)
	{      
		alert("Uw email moet uit minimaal 8 karakters bestaan.");
		return false;   
	}
	else if (formulier.naam.value.length < 3)
	{      
		alert("Uw naam moet uit minimaal 3 karakters bestaan.");
		return false;   
	}
	else
	{
		
		formulier.submit();
		
	}
	
}

function checkOnderwerp(formulier)
{   
if (formulier.onderwerp.value=="")
{      
alert("Vul een onderwerp in.");
return false;   
}     
else if (formulier.onderwerp.value=="Onderwerp")
{      
alert("Vul een onderwerp in!");
return false;   
}
}

function CheckAll()
{
count = document.checkverwijder.elements.length;
    for (i=0; i < count; i++) 
	{
    if(document.checkverwijder.elements[i].checked == 1)
    	{document.checkverwijder.elements[i].checked = 0; }
    else {document.checkverwijder.elements[i].checked = 1;}
	}
}
function UncheckAll(){
count = document.checkverwijder.elements.length;
    for (i=0; i < count; i++) 
	{
    if(document.checkverwijder.elements[i].checked == 1)
    	{document.checkverwijder.elements[i].checked = 0; }
    else {document.checkverwijder.elements[i].checked = 1;}
	}
}

function checkOpenInschrijving()
{

	var email = document.getElementById('openinschrijving_form').email.value;
	var datum = document.getElementById('openinschrijving_form').opendatum.value;

	if(email == '')
	{
	
		alert('U moet wel een email adres invullen.');
		
	}
	else if(datum == '')
	{
	
		alert('U moet wel een datum aanklikken.');
		
	}
	else
	{
	
		document.getElementById('openinschrijving_form').submit();
	
	}

}

function in_array(stringToSearch, arrayToSearch) {
            for (s = 0; s < arrayToSearch.length; s++) {
                        thisEntry = arrayToSearch[s].toString();
                        if (thisEntry == stringToSearch) {
                                   return true;
                        }
            }
            return false;
}

function UBB(tarea, tag)
{

	var specialTagArray = new Array('url','color','size');
	var validTags = new Array('b','i','u','s','header','url','color','size');

	if(tag == 'help')
	{
		
		var display = tarea.style.display;
		
		if(display == 'none')
		{
			
			tarea.style.display = 'block';
			
		}
		else
		{
			
			tarea.style.display = 'none';
			
		}
		
	}
	else
	{
	
		if(in_array(tag,validTags))
		{
		
			if (document.selection) 
			{ // for IE
			
				var tekst = document.selection.createRange().text;
	
				if(!in_array(tag,specialTagArray))
				{
					
					if(document.selection.createRange().text != '')
					{
	
						document.selection.createRange().text = '['+tag+']'+tekst+'[/'+tag+']';
						
					}
					else
					{
						
						tarea.value += '['+tag+'][/'+tag+']';
						
					}
					
				}
				else
				{
					
					if(tag == 'url')
					{
						
						var regmatch = /^(([a-z0-9]+?){1}:\/\/)?([\w\-]+\.([\w\-]+\.)*[\w]+(:[0-9]+)?(\/[^ \"\n\r\t<]*)?)$/;
						
						var regexp = new RegExp(regmatch);
						
						if(document.selection.createRange().text.match(regexp) || tekst == '')
						{
							
							if(document.selection.createRange().text != '')
							{
							
								document.selection.createRange().text = '[url=\''+tekst+'\']'+tekst+'[/url]';
								
							}
							else
							{
								
								tarea.value += '[url=\'http://www.sitenaam.nl/\']link tekst[/url]';
								
							}
							
						}
						else
						{
							
							document.selection.createRange().text = '[url=\'http://www.sitenaam.nl/\']'+tekst+'[/url]';
							
						}
						
					}
					else if(tag == 'color')
					{
						
						if(document.selection.createRange().text != '')
						{
						
							document.selection.createRange().text = '[color=\'grijs\']'+tekst+'[/color]';
						
						}
						else
						{
							
							tarea.value += '[color=\'grijs\'][/color]';
							
						}
						
					}
					else if(tag == 'size')
					{
						
						if(document.selection.createRange().text != '')
						{
						
							document.selection.createRange().text = '[size=\'11\']'+tekst+'[/size]';
						
						}
						else
						{
							
							tarea.value += '[size=\'11\'][/size]';
							
						}
						
					}
					
				}
				
			} 
			else if (typeof tarea.selectionStart != 'undefined') 
			{ // for FF, Opera etc...
			
				var tekst = tarea.value.substring(tarea.selectionStart, tarea.selectionEnd);
			
				if(!in_array(tag,specialTagArray))
				{
					
					tarea.value = tarea.value.substring(0,tarea.selectionStart)+'['+tag+']'+tekst+'[/'+tag+']'+tarea.value.substring(tarea.selectionEnd,tarea.value.length);
					
				}
				else
				{
					
					if(tag == 'url')
					{
						
						var regmatch = /^(([a-z0-9]+?){1}:\/\/)?([\w\-]+\.([\w\-]+\.)*[\w]+(:[0-9]+)?(\/[^ \"\n\r\t<]*)?)$/;
						
						var regexp = new RegExp(regmatch);
						
						if(tekst.match(regexp) || tekst == '')
						{
						
							if(tekst == '')
							{
								
								tarea.value += '[url=\'http://www.sitenaam.nl/\']link tekst[/url]';
								
							}
							else
							{
						
								tarea.value = tarea.value.substring(0,tarea.selectionStart)+'[url=\''+tekst+'\']'+tekst+'[/url]'+tarea.value.substring(tarea.selectionEnd,tarea.value.length);
								
							}
							
						}
						else
						{
							
							tarea.value = tarea.value.substring(0,tarea.selectionStart)+'[url=\'http://www.sitenaam.nl/\']'+tekst+'[/url]'+tarea.value.substring(tarea.selectionEnd,tarea.value.length);
							
						}
						
					}
					else if(tag == 'color')
					{
						
						if(tekst != '')
						{
							
							tarea.value = tarea.value.substring(0,tarea.selectionStart)+'[color=\'grijs\']'+tekst+'[/color]'+tarea.value.substring(tarea.selectionEnd,tarea.value.length);
							
						}
						else
						{
							
							tarea.value += '[color=\'grijs\'][/color]';
							
						}
						
					}
					else if(tag == 'size')
					{
						
						if(tekst != '')
						{
							
							tarea.value = tarea.value.substring(0,tarea.selectionStart)+'[size=\'11\']'+tekst+'[/size]'+tarea.value.substring(tarea.selectionEnd,tarea.value.length);
							
						}
						else
						{
							
							tarea.value += '[size=\'11\'][/size]';
							
						}
						
					}
					
				}
				
			} 
			else 
			{
				
				//Could not find selection
				
			}
			
		}
		
	}
	
}

function checktoshowdiv()
{

if(document.getElementById('selectbox').options[document.getElementById('selectbox').selectedIndex].value == 'anders')
{
document.getElementById("divje").style.display = "block";
}
else
{
document.getElementById("divje").style.display = "none";
}
}