function __verify() {
	//	constructor
}

__verify.prototype.isEmpty = function (value) {
	var s = new String(value);
	var r = new RegExp(/( )+?/ig);
	
	if ( s.replace(r,"") == "" ) {
		return true;
	}
	return false;
}

__verify.prototype.isItemSelected = function (id) {
	var obj = $(id);
	
	if ( obj ) {
		if ( obj.selectedIndex > 0 ) {
			return true;
		}
	}
	
	return false;
};

__verify.prototype.checkEmail = function (value) {
	var r = new RegExp(/^[a-z0-9\.\-_\+]+@[a-z0-9\-_]+\.([a-z0-9\-_]+\.)*?[a-z]+$/ig);
	
	if ( value.search(r) == 0 ) {
		return true;
	}
	return false;
};

var verify = new __verify();