// JavaScript Document
function open_screenshot(screenshot)
	{
	var width = 800;
	var height = 600;
	var xVal = parseInt((screen.availWidth/2) - (width/2));
	var yVal = parseInt((screen.availHeight/2) - (height/2));
	window.open ('/images/'+screenshot+'_b.gif','','width='+width+',height='+height+',left='+xVal+',top='+yVal+',screenX='+xVal+',screenY='+yVal+',scrollbars=1');
	}