function highlight()
{
var items = new Array();
var queryTermsRegExp = new RegExp('q=([^&]+)');
if (queryTermsRegExp.test(location.href))
{
  items = RegExp.$1.split('+');
}
var colors = new Array('#ffff66', '#a0ffff', '#99ff99', '#ff9999', '#ff66ff',
                       '#880000', '#00aa00', '#886800', '#004699', '#990099');
b = document.getElementById('middle').innerHTML;
for (var i=0; i < items.length; i++)
{
   var replacementRegEx = new RegExp('(' + items[i] + ')','gi');
   
   b = b.replace(replacementRegEx,'<span style=\'background-color:' +
                                  colors[i % colors.length] +
                                  ';\'>$1</span>');
}
if(items.length > 0)
{
var scrollToRegEx = new RegExp('(' + items[0] + ')','i');
b = b.replace(scrollToRegEx, '<span id=\'scrollToHilight\'>$1</span>');
document.getElementById('center').innerHTML = b;
window.scrollTo(0,document.getElementById('scrollToHilight').offsetTop);
}
}