var ERR_CLASSNAME = 'error';

function chk_form(form) {
	for (var i = 0;i<form.length;++i) {
			var fld=form[i];
			if(fld.className==ERR_CLASSNAME) {
				$('#err_' + fld.name).hide("fast");
			}
	}
	if (validateCompleteForm(form, ERR_CLASSNAME)) {
		return true;
	} else {
		for(var i=0;i<form.length;++i) {
			var fld=form[i];
			if(fld.className==ERR_CLASSNAME) {
				$('#err_' + fld.name).show("fast");
			}
		}
		return false;
	}
}