function displayBlock(cellName) {
  var cell = document.getElementById(cellName);
  if( !cell.style.display || cell.style.display == "none" ) {
		cell.style.display = "block"
  } 
}

function displayNone(cellName) {
  var cell = document.getElementById(cellName);
  if( !cell.style.display || cell.style.display == "block" ) {
	cell.style.display = "none"
  } 
}
function swap(id) {
	 if (document.getElementById('rcontent'+id).style.display == "block") {
		 displayNone('rcontent'+id);
		 document.getElementById('r'+id).className = 'ulr' ;
	} else {
		 displayBlock('rcontent'+id);
		 document.getElementById('r'+id).className = 'ulr_' ;	
	}
}
function showAll() {
	for (i=1; i<=10; i++) {
		if (document.getElementById('r'+i)) {
		 displayBlock('rcontent'+i);
		 document.getElementById('r'+i).className = 'ulr_' ;
		}	
	}
}
function showNone() {
	for (i=1; i<=10; i++) {
		if (document.getElementById('r'+i)) {
		 displayNone('rcontent'+i);
		 document.getElementById('r'+i).className = 'ulr' ;
		}
	}
	window.scroll(0,0);
}
function display(where, message) {
m = document.getElementById(where);
m.innerHTML = message;
}