var H = "140";
var W="200"; 
var BC="ffffff"; 
var HC="cccccc";
document.writeln("<iframe name='iframe' frameborder='0' scrolling='no' marginwidth='0' marginheight='0' src = 'http://www.goforex.net/world_rates.php?HC="+HC+"&BC="+BC+"' width="+W+" height="+H+" ></iframe>");