function copyright(initial_year,site_name,url){
var yir = new Date();
fullyir = yir.getFullYear();

if(initial_year == fullyir)
return document.write("Copyright &copy; " + initial_year + " " + "<a id='copyright_url' target='_top' href='" + url + "'>" + site_name + "</a>. All Rights Reserved.");
else
return document.write("Copyright &copy; " + initial_year + " - " + fullyir + " " + "<a id='copyright_url' target='_top'  href='" + url + "'>" + site_name + "</a>. All Rights Reserved.");
}