function ch_city(){
		city = document.Routenplaner.start.value;
		
		verlink = document.Routenplaner.action.value = "http://maps.google.de/maps?f=d&hl=de&geocode=&saddr="+ city +"&daddr=ischgl+tirol,+versahl";
		open(verlink);
}

function MM_openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}