function checkForm( form ){
	for( var i = 0 ; i < form.length ; i++ ){
	var e = form[i];
		if( e.check == null || e.check == '' ) continue;
	var k = e.check.lastIndexOf('/');
	var l = e.check.length;
		if( 2 < l - k - 1 || e.check.charAt(0) != '/' )	{
			alert('Illegal check condition (' + e.name + '): ' + e.check);
			return false;
		}
	var re = new RegExp(e.check.substring(1, k), e.check.substring(k + 1));
		if( e.value.search(re) == -1 ){
			alert(e.alert);
			e.focus();
			return false;
		}
	}
	return true;
}