// message strings
var messages = new Array();
messages[0] = "Please select country!";
messages[1] = "Please enter your name!";
messages[2] = "Please enter phone or fax number!";

function checkFields() {

	f = document.app; // form object
	
	// country
	if (typeof f.obrequestform_country !== 'undefined' && !f.obrequestform_country.value) {
		alert(messages[0]);
		f.obrequestform_country.focus();
		return false;
	}
	
	// name
	if (f.obrequestform_name.value.length==0) {
		alert(messages[1]);
		f.obrequestform_name.focus();
		return false;
	}
	
	// at least one phone or fax number should be entered...
	if(
		(f.obrequestform_phone1.value.length==0) &&
		(f.obrequestform_phone2.value.length==0) &&
		(f.obrequestform_mobile.value.length==0) &&
		(f.obrequestform_fax.value.length==0)
	) {
		alert(messages[2]);
		f.obrequestform_phone1.focus();
		return false;
	}
	
	return true;

}

function tryToSubmit() {

	if(checkFields()) {
		document.app.submit();
	}

}