var regex = new RegExp('(\\d{1,4})');		
var ref = document.referrer;
var splitUrl = ref.split("/");		
var output = '';

if (splitUrl[4] && splitUrl[4].match(regex)) {			
	for (i = 7; i < splitUrl.length - 2; i++) {
		output += splitUrl[i];
		if (i != splitUrl.length - 3) {
			output += '/';
		}
	}
} else {
	for (i = 4; i < splitUrl.length; i++) {
		output += splitUrl[i];
		if (i != splitUrl.length - 1) {
			output += '/';
		}
	}
}
if (output == '') {
	output = 'home';
}