function R1280()
{
var wdth = 1280; //Change this variable to match your configuration
document.body.style.zoom = screen.width/1280;
}

function R1024()
{
var wdth = 1024; //Change this variable to match your configuration
document.body.style.zoom = screen.width/1024;
}

function R800()
{
var wdth = 800; //Change this variable to match your configuration
document.body.style.zoom = screen.width/800;
}

function R640()
{
var wdth = 640; //Change this variable to match your configuration
document.body.style.zoom = screen.width/640;
}

function changeFontSize(element,step)
{
	step = parseInt(step,10);
	var el = document.getElementById(element);
	var curFont = parseInt(el.style.fontSize,10);
	el.style.fontSize = (curFont+step) + 'px';
}

function resizeText(multiplier) {
  if (document.body.style.fontSize == "") {
   document.body.style.fontSize = "1.0em";
  }
  document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";
}