function trim(str) {
	a = str.replace(/^\s+/, '');
	return a.replace(/\s+$/, '');
};

function check_form(frm){
	for (i in frm){
		if(frm[i] && (frm[i].type == "text" || frm[i].tagName == 'TEXTAREA') && trim(frm[i].value) == ''){
			alert('Заполните все поля.');
			return;
		}
	}
//	alert('!');
	frm.submit();
}