function showHide (txt,lnk, what) {  if (document.getElementById(txt).style.display=='none') {
	document.getElementById(txt).style.display='block';
	document.getElementById(lnk).innerHTML='show less '+what;
	}
  else {
	document.getElementById(txt).style.display='none';
	document.getElementById(lnk).innerHTML='show more '+what;
  }
	
}

function showHide2 (txt,lnk, what) {  
  if (document.getElementById(txt).style.display=='none') {
	document.getElementById(txt).style.display='block';
	document.getElementById(lnk).innerHTML='[Hide '+what+"]";
	}
  else {
	document.getElementById(txt).style.display='none';
	document.getElementById(lnk).innerHTML='[Show '+what+"]";
  }	
}
function showHidePlain (txt,lnk, what) {
  if (document.getElementById(txt).style.display=='none') {
	document.getElementById(txt).style.display='block';
	document.getElementById(lnk).innerHTML=what;
	}
  else {
	document.getElementById(txt).style.display='none';
	document.getElementById(lnk).innerHTML=what;
  }	
}
var n=1;
function addGolfer () {
	if (n>=4) {
		alert ("Maximum of 4 golfers can be added on this form; please print form to add more");
	}
	else {
	n++;
	var which = 'gb'+n;
	document.getElementById(which).style.display='block';
	}
}