function showMobileStep( stepNum ) {
	var numSteps = 6;
	var elName = "";
	var dispStyle = "";
	
	if( stepNum <= numSteps && numSteps >= 0 ) {
		for( var idx = 0; idx <= numSteps; idx++ ) {
			elName = "step" + idx;
			if( idx == stepNum ) {
				dispStyle = "block";			
			} else {
				dispStyle = "none";
			}
			document.getElementById( elName ).style.display = dispStyle;
		}
	}
	return false;
}