function getCheckLogin(x,y,z) {
	var e = '';
	var dc = document.forms[x];
	var eX = /^[0-9a-zA-Z]+$/;
	if (!dc.elements[y].value.match(eX) || dc.elements[y].value.length < 4) {
		e = 1;
		dc.elements[y].focus();
	}
	else if (!dc.elements[z].value.match(eX) || dc.elements[z].value.length < 4) {
		e = 1;
		dc.elements[z].focus();
	}
	/*
	if (!dc.elements['f[s_n2]'].value.match(eX)) {
		e = 1;
		dc.elements[y].focus();
	}
	*/
	if (e) {
		alert('Please fill in all the required fields first.');
		return false;
	}
	else {
		return true;
	}
}