if( document.all && !document.getElementById ) {
    document.getElementById = function( id ) {
         return document.all[ id ];
    }
}


function validate(){

	var firstname = document.getElementById('FirstName').value;
	var mainphone = document.getElementById('MainPhone').value;
	var email = document.getElementById('Email').value;

	var homecity = document.getElementById('HomeCity').value;
	var homestate = document.getElementById('HomeState').value;

	var good = true;

	good = good && ( firstname.length > 0 );
	good = good && ( mainphone.length > 0 );
	good = good && ( email.length > 0 );
	good = good && ( homecity.length > 0 );
	good = good && ( homestate.length > 0 );

	if( ! good ){
		alert( "A required field is missing." );
	}

	return good;
}