function switchlanguage() {
	var site = parent.main.location.pathname;
	var lang = site.substring(site.length - 7, site.length - 4);
	var new_site;
	if (lang == '-en') {
		var new_site = site.substring(0, site.length - 7) +
				site.substring(site.length - 4, site.length);
	}
	else {
		var new_site = site.substring(0, site.length - 4) +
				'-en' + site.substring(site.length - 4, site.length);

		var allowed = false;

		var allowed_pages = [
			'/index2-en.php',
			'/nyheter/nyheter-en.php',
			'/fynd/fynd-en.php',
			'/laptops/mobinote-en.php',
			'/laptops/stylenote-en.php',
			'/laptops/p150hm-en.php',
			'/laptops/w860cu-en.php',
			'/laptops/w880cu-en.php',
			'/laptops/portanote-en.php',
			'/laptops/ubuntulaptops-en.php',
			'/laptops/clevobattery-en.php',
			'/laptops/clevoacadaptor-en.php',
			'/laptops/clevoexpansion-en.php',
			'/laptops/clevographics-en.php',
			'/laptops/clevobroadband-en.php',
			'/laptops/sodimm-en.php',
			'/laptops/bags-en.php',
			'/laptops/clevoaccessories-en.php',
			'/laptops/accessories-en.php',
			'/pcmoder/pcdator5-en.php',
			'/pcmoder/pcdator-en.php',
			'/pcmoder/pcdator1-en.php',
			'/pcmoder/pcdator2-en.php',
			'/pcmoder/pcdator4-en.php',
			'/pcmoder/pcdator3-en.php',
			'/pcmoder/pcdator6-en.php',
			'/Monitorer/monitor2-en.php',
			'/Monitorer/monitor3-en.php',
			'/Monitorer/monitor4-en.php',
			'/Monitorer/monitor-en.php',
			'/Datorer/video-en.php',
			'/dvdplayer/dvdplayer-en.php',
			'/Datorer/amiga-en.php',
			'/Datorer/amiga-spare-en.php',
			'/Datorer/amiga-acc-en.php',
			'/Datorer/amiga-expansion-en.php',
			'/Datorer/amiga-keyboard-en.php',
			'/Datorer/amiga-adds-en.php',
			'/Datorer/amiga-old-en.php',
			'/Datorer/amiga-funs-en.php',
			'/Program/program-en.php',
			'/Program/program1-en.php',
			'/Program/program3-en.php',
			'/CD-Rom/cd1-en.php',
			'/Datorer/amiga-funs-en.php',
			'/avis/avis-en.php',
			'/datorlador/ladormini-en.php',
			'/datorlador/lador-en.php',
			'/datorlador/ladordesk-en.php',
			'/datorlador/ladormicro-en.php',
			'/datorlador/ladorbig-en.php',
			'/datorlador/ladorrack-en.php',
			'/datorlador/ladorpsupply-en.php',
			'/datorlador/ladorspare-en.php',
			'/PC/hd1-en.php',
			'/PC/hd2-en.php',
			'/PC/hdsata-en.php',
			'/PC/hdsata1-en.php',
			'/PC/hdsata2-en.php',
			'/PC/hd25-en.php',
			'/PC/hd25sata-en.php',
			'/PC/hdext-en.php',
			'/PC/hdextsata-en.php',
			'/PC/hdext25-en.php',
			'/PC/ssd-en.php',
			'/PC/cd-en.php',
			'/PC/floppy-en.php',
			'/PC/tgb-en.php',
			'/PC/mouse-en.php',
			'/PC/joy-en.php',
			'/PC/grafik-en.php',
			'/PC/grafik1-en.php',
			'/PC/grafik2-en.php',
			'/PC/grafik3-en.php',
			'/PC/grafik4-en.php',
			'/ljud/ljud1-en.php',
			'/PC/ljud-en.php',
			'/PC/iokort-en.php',
			'/PC/cable-en.php',
			'/PC/kyl-en.php',
			'/PC/network-en.php',
			'/PC/network1-en.php',
			'/PC/printer-en.php',
			'/PC/grafik5-en.php',
			'/dvdplayer/nu-en.php',
			'/adobe/program-en.php',
			'/adobe/program2-en.php',
			'/adobe/program1-en.php',
			'/adobe/win7-en.php',
			'/adobe/winoffice-en.php',
			'/adobe/ubuntu-en.php',
			'/CD-Rom/cd3-en.php',
			'/CD-Rom/cd-en.php',
			'/CD-Rom/cd2-en.php',
			'/litteratur/litteratur-en.php',
			'/litteratur/litteratur1-en.php',
			'/kontakt/kontakt-en.php',
			'/post/post-en.php',
			'/fragor-en.php'
		];

		for (var i = 0; i < allowed_pages.length; ++i) {
			if (new_site == allowed_pages[i]) {
				allowed = true;
				break;
			}
		}

		if (!allowed) {
			alert("Sorry, can not change to the English language from this page.")
			return;
		}
	}
	top.location.href = new_site;
}