function checkData (){
	if (document.forms[0].user.value.length ==0){
		document.forms[0].user.focus();
		alert("Please enter your property manager or broker user name.");
		return false;
	}
	if (document.forms[0].passwrd.value.length ==0){
		document.forms[0].passwrd.focus();
		alert("Please enter your password.");
		return false;
	}
	if (document.forms[0].f_ocref.value.length ==0){
		document.forms[0].f_ocref.focus();
		alert("Please enter an ocref.");
		return false;
	}
}