var SpecialWord = "console",SpecialUrl = "backoffice/con_console.php",SpecialLetter = 0;

function getKey(keyStroke) 
{
	var isNetscape=(document.layers);
	var eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
	var which = String.fromCharCode(eventChooser).toLowerCase();
	if (which == SpecialWord.charAt(SpecialLetter)) 
	{
		SpecialLetter++;
		if (SpecialLetter == SpecialWord.length) window.open(SpecialUrl);// vers la console
	}
	else SpecialLetter = 0;
	
}

document.onkeypress = getKey;