// JavaScript Document

	function chkRes() {
		var res = screen.width;
		var container = document.getElementById('container');
		var layerViewer = document.getElementById('viewer');
		var imageGroot = document.getElementById('main_image');
		if(res <=800) {
			container.style.width = '800px';
			layerViewer.style.width = '500px';
			imageGroot.style.width = '70%';
		}
	}
	function hideSubMenu() {
		var menublokken = document.getElementsByName('level2menu');
		for (var i=0; i<menublokken.length; i++) {
			var menublok = menublokken[i];
			menublok.style.display = "none";
		}
	}

	function showSubMenu(titel) {
		var subMenu = document.getElementById(titel).style;
		if(subMenu.display == "none") {
			hideSubMenu();
			subMenu.display = "block";
		} else {hideSubMenu();}
	}

	function popUp(mypage, myname, w, h, scroll, titel, imgName) {

	var winl = 20;
	var wint = 20;
	var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=yes';
		
		var newWindow = window.open(mypage, myname, winprops);
	
		var contentWindow;
		contentWindow = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
		contentWindow += '<html xmlns="http://www.w3.org/1999/xhtml">';
		contentWindow += '<head><title>' +titel+ '</title>';
		contentWindow += '<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /><meta http-equiv="imagetoolbar" content="no" />';
		contentWindow += '<meta name="Copyright" content="copyright © http://www.nandoonline.com" /><meta name="Designer" content="Nando" />';
		contentWindow += '<style type="text/css" media="screen">body{overflow:hidden; margin:0px; padding:0px;} img{margin:0px; padding:0px; border:none;}</style>';
		contentWindow += '</head><body>';
		contentWindow += '<a href="javascript:window.close()">';
		contentWindow += '<img id="afb" src="'+imgName+'" alt="' +titel+ '" onload="javascript:window.resizeTo((document.getElementById(\'afb\').width),(document.getElementById(\'afb\').height));" />';
		contentWindow += '</a>';
		contentWindow += '</body></html>';
		
		newWindow.document.writeln(contentWindow);
		newWindow.focus();
		newWindow.document.close();
		
		//if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	}