// JavaScript Document

function validateOnLength(elName, minLen) {
	var elLen = document.getElementById(elName).value.length;
	if (elLen<minLen) {
		//Bad
		document.getElementById(elName + "_ok").style.display = 'none';
		document.getElementById(elName + "_bad").style.display = 'inline-block';
	} else {
		//Good
		document.getElementById(elName + "_ok").style.display = 'inline-block';
		document.getElementById(elName + "_bad").style.display = 'none';
	}
}