/* $Id: utils.js 6 2007-05-24 05:18:29Z alexfkl $ */
/*
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
*/

var changeLanguage = function ( newLang, thisPageUrl, thisPageQueryString ) {
	if (thisPageUrl != null) {
		var url = thisPageUrl + '?lc=' + newLang;
		
		if (thisPageQueryString != '') {
			url += '&' + thisPageQueryString;
		}
		
		document.location.href = url;
	}
	
	return false;
}


/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
function echeck ( str ) {
	var at = '@';
	var dot = '.';
	var lat = str.indexOf(at);
	var lstr = str.length;
	var ldot = str.indexOf(dot);

	if (str.indexOf(at) == -1) {
		return false;
	}
	
	if ((str.indexOf(at) == -1) || (str.indexOf(at) == 0) || (str.indexOf(at) == lstr)) {
		return false;
	}
	
	if ((str.indexOf(dot) == -1) || (str.indexOf(dot) == 0) || (str.indexOf(dot) == lstr)) {
		return false;
	}
	
	if (str.indexOf(at, (lat + 1)) != -1) {
		return false;
	}
	
	if ((str.substring(lat - 1, lat) == dot) || (str.substring(lat + 1, lat + 2) == dot)) {
		return false;
	}
	
	if (str.indexOf(dot, (lat + 2)) == -1) {
		return false;
	}
	
	if (str.indexOf(' ') != -1) {
		return false;
	}
	
	return true;		
}