$(document).ready(function(){
	var arrPageSizes = ___getPageSize();
	// de overlay openen
	$('.openoverlay').click(function(){
		// de content plaatsen in de overlay
		$('.overlaytext').hide();
		$('#text-' + this.id).show();
		// Style overlay and show it
		$('#overlayer').css({
			opacity:			'0.8',
			width:				arrPageSizes[0],
			height:				arrPageSizes[1]
		}).fadeIn();
		$('#overlayer-content').slideDown();
		return false;
	});
	// de overlay sluiten
	$('#overlayer').click(function(){
		$('#overlayer').fadeOut();
		$('#overlayer-content').slideUp();
		return false;
	});
	$('.closeoverlayer').click(function(){
		$('#overlayer').fadeOut();
		$('#overlayer-content').slideUp();
		return false;
	});


	$('#submitcontact').click(function(){
		// alle meldingen weghalen
		$('.error-naam, .error-email, .error-telefoon, .error-opmerking').replaceWith('');
		
		// de waardes ophalen
		var naam = $('#naam:input').val();
		var email = $('#email:input').val();
		var telefoon = $('#nummer:input').val();
		var opmerking = $('#opmerkingen:input').val();
		
		// de waardes controleren
		if(naam==''){
			$('#naam:input').after('<span class="error-naam">Naam is verplicht</span>');	
		}
		if(email==''){
			$('#email:input').after('<span class="error-email">Email is verplicht</span>');	
		}
		if(telefoon==''){
			$('#nummer:input').after('<span class="error-telefoon">Telefoon is verplicht</span>');	
		}
		if(opmerking==''){
			$('#opmerkingen:input').after('<span class="error-opmerking">Opmerkingen is verplicht</span>');	
		}
		if(naam!='' && email!='' && telefoon!='' && opmerking!=''){
			$('#submitcontact').val('Even geduld....');
			// hier de post	
			$.post("contact.php", { 'naam': naam, 'email': email, 'telefoon': telefoon, 'opmerking': opmerking});
			// waardes weer leegmaken
			setTimeout("$('#submitcontact').val('Verzenden'); $('#naam:input').val('');$('#email:input').val('');$('#nummer:input').val('');$('#opmerkingen:input').val('');$('#melding').html('Bericht is met succes verzonden');", 1500);
		}	
	});


});




/**
 / THIRD FUNCTION
 * getPageSize() by quirksmode.com
 *
 * @return Array Return an array with page width, height and window width, height
 */
function ___getPageSize() {
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}
	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};