function chg_button(titlename, onoff) 
{
	document[titlename].src = "images/button_" + titlename + "_" + onoff + ".gif";
}

function makeArray(n){
  this.length = n;
  for (i=1;i<=n;i++){
    this[i]=0;
  }
  return this;
}

function displayDate() {
  var this_month = new makeArray(12);
    this_month[0]  = "January";
    this_month[1]  = "February";
    this_month[2]  = "March";
    this_month[3]  = "April";
    this_month[4]  = "May";
    this_month[5]  = "June";
    this_month[6]  = "July";
    this_month[7]  = "August";
    this_month[8]  = "September";
    this_month[9]  = "October";
    this_month[10] = "November";
    this_month[11] = "December";
  var today = new Date();
  var day   = today.getDate();
  var month = today.getMonth();
  var year  = today.getFullYear();
  document.write(this_month[month]+" "+day+", "+year);
}

function open_map (loc) {

date = new Date();
counter = Math.floor((date.getSeconds()/60)*100);

	new_window = window.open (loc,"a" + counter + "a","width=530,height=490,toolbar=no,location=no,scrollbars=no,directories=no,menubar=yes,resizable=no");
}

function open_image (imagefile, width, height) {

date = new Date();
counter = Math.floor((date.getSeconds()/60)*100);


	new_window = window.open (imagefile,"a" + counter + "a","width="+width+",height="+height+",toolbar=no,location=no,scrollbars=no,directories=no,menubar=no,resizable=no");
}