function openFotoWnd(id) {
	popupAction('view_photos', id, 765, 480);
}

function mainSearchSubmit(errorMsg) {
	var el = $("mainSearch");
	var v = el.value.replace(/^\s+|\s+$/g,"");
	if(v == "") {		
		alert(errorMsg);
		el.focus();
		return false;
	}
	return true;
}

function mainNewsletterSubmit(errReq, errInvalid) {
	var el = $("mainNewsletter");
	
	if(el.value=="") {
		el.value = " ";
		alert(errReq);
		el.value = "";
		el.focus();
		return false;
	}
	
	var emailRegExp = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/i;		
	if(!emailRegExp.test(el.value)) {
		alert(errInvalid);
		el.focus();
		return false;
	}
	
	return true;
}