function r_on(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + "_over.gif"; 
    }
  }
}

function r_off(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + ".gif"; 
    }
  }
}

function writeDate() {
  var today = new Date();
  var year = today.getFullYear();
  document.write(year);
}

function expand() {
    document.getElementById("morelink").style.display = "none";
    document.getElementById("content").style.height = "auto";
    document.getElementById("morecontent").style.display = "block";
}

function calcs(calc,winWidth, winHeight) {
    var url = "../calc/Calculators.aspx#"+ calc;
    calculator = window.open(url,"calculator","location=0, scrollbars=0, toolbar=0, menubar=0, resizable=0, status=0, directories=0");
    calculator.resizeTo(winWidth,winHeight);
    calculator.moveTo(50,50);
    calculator.focus();
}