function fieldFocus(field) {
	if(field.value == field.defaultValue) {
		field.value = '';
		if(field.name == 'pass') {
			field.type = 'password';
			}
		}
	}

function fieldBlur(field) {
	if(field && field.value == '') {
		field.type = 'text';
		field.value = field.defaultValue;
		}
	}

function checkField(field) {
	if(field) {
		fieldBlur(field);
		if(field.value == field.defaultValue) {
			return false;
			}
		return true;
		}
	return true;
	}

function finishForm(theform) {
	if(!checkField(theform.username)) {
		alert('Please provide a username.');
		return false;
		}
	else if(!checkField(theform.pass)) {
		alert('Please provide a password.');
		return false;
		}
	encPass(theform);
	}