function switchLang(langID) {
		currentURL = window.location.href;
		currentURL = currentURL.replace("?option=sendemail","");
		if (langID == 4105) { 
			currentURL=currentURL.replace("_f.", "_e.");
			currentURL=currentURL.replace("_r.", "_e.");
			location.href=currentURL;
		} else if (langID == 1049) {
			currentURL=currentURL.replace("_e.", "_r.");
			currentURL=currentURL.replace("_f.", "_r.");
			location.href=currentURL;
		} else {
			currentURL=currentURL.replace("_e.", "_f.");
			currentURL=currentURL.replace("_r.", "_f.");
			location.href=currentURL;
		}
}