function switch_page() {
    if (document.menuhome.desthome.selectedIndex == 0) self.location = 'http://www.alptrails.com/';
else if (document.menuhome.desthome.selectedIndex == 2) self.location = 'appenzell.htm';
else if (document.menuhome.desthome.selectedIndex == 3) self.location = 'chamonix.htm';
else if (document.menuhome.desthome.selectedIndex == 4) self.location = 'matschertal.htm';
else if (document.menuhome.desthome.selectedIndex == 5) self.location = 'meran.htm';
else if (document.menuhome.desthome.selectedIndex == 6) self.location = 'silsmaria.htm';
else if (document.menuhome.desthome.selectedIndex == 7) self.location = 'soglio.htm';
else if (document.menuhome.desthome.selectedIndex == 8) self.location = 'sulden.htm';
else if (document.menuhome.desthome.selectedIndex == 9) self.location = 'tiers.htm';
else if (document.menuhome.desthome.selectedIndex == 10) self.location = 'vent.htm';

}