window.addEvent('domready', function() {
			
		var pic_new_width = 640;
		var pic_new_height = 480;
		
		var margin_left = pic_new_width/2;
		var margin_top = pic_new_height/2;
		
		var newLeft = document.documentElement.clientWidth/2 - margin_left;
		var newTop = document.documentElement.clientHeight/2 - margin_top;
		
		$('splash').setStyle("left", newLeft);
		$('splash').setStyle("top", newTop);
		$('splash').setStyle("height", 0);
		
		//overlay leggen
		$('overlay').setStyles({
			width: "100%",
			height: "100%",
			position: "absolute",
			zIndex: 3000,
			top: 0,
			left: 0,
			background: "#000",
			opacity: 0.5
		});
		
	 	$('close_splash').addEvent('click',function(e){
			$('splash').setStyle("left", -20000);
			$('overlay').setStyle('display', 'none');
		});
		
		$(this).addEvent('click',function(e){
			$('splash').setStyle("left", -20000);
			// overlay verwijderen
			$('overlay').setStyle('display', 'none');
		})
});