// run the startup stuff only if we're not in the print_content window.
if (window.name != "print_content") {
  var W3CDOM = (document.createElement && document.getElementsByTagName);
  
  var mouseOvers = new Array();
  var mouseOuts = new Array();
  
  window.onload = init();
} else {
  // automatically print the contents after loading.
  window.onload = print();
}

function init()
{
	if (!W3CDOM) return;
	var nav = document.getElementById('mouseovers');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++)
	{
		imgs[i].onmouseover = mouseGoesOver();
		imgs[i].onmouseout = mouseGoesOut();
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('_')) + "_on" + suffix;
		imgs[i].number = i;
	}
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}

function popup( url )
{
	 window.open( url , "print_content" , "menubar=1,toolbar=0,location=0,status=0,scrollbars=1,width=550,height=550" );
}