var timer_run = false;
function opentree(id) {
  var o=document.getElementById(id);
  o.style.display = 'block';
}
function closetree(id) {
    var o=document.getElementById(id);
    o.style.display= 'none';
    /*
    timer_run = true;
    setTimeout("closetreenow('" + id + "')",3000);
    */
}
/*
function closetreenow(id) {
  if( timer_run == false ) {
    var o=document.getElementById(id);
    o.style.display= 'none';
  }
  timer_run = false;
}
*/

//show OR hide funtion depends on if element is shown or hidden
function shoh(id) { 
	
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(id).style.display == "none"){
			document.getElementById(id).style.display = 'block';
		} else {
			document.getElementById(id).style.display = 'none';
		}
	} else { 
		if (document.layers) {
			if (document.id.display == "none"){
				document.id.display = 'block';
			} else {
				document.id.display = 'none';
			}
		} else {
			if (document.all.id.style.visibility == "none"){
				document.all.id.style.display = 'block';
			} else {
				document.all.id.style.display = 'none';
			}
		}
	}
}