//referrer page
function start() {
var ref = document.getElementById('referrer');
ref.value = document.referrer;
}
onload = start; 
//


function toggleLayer(whichLayer) {
  var elem, vis;
  if(document.getElementById) // this is the way the standards work
    elem = document.getElementById(whichLayer);
  else if(document.all) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if(document.layers) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

function changeFontSize(inc)
{  var p = document.getElementsByTagName('body');  for(n=0; n<p.length; n++) 
{  if(p[n].style.fontSize) 
{  var size = parseInt(p[n].style.fontSize.replace("px", ""));    } else 
{  var size = 12;    }    p[n].style.fontSize = size+inc + 'px';   }}