function getHost(){	   
	var loc =  document.location.hostname;
	var port = document.location.port;
	if (loc != undefined && loc != null && loc != ""){
		if (port != "" && port != undefined && port != null){
			return ("http://"+loc+":"+port+"/");
		} else {
			
			return "http://"+loc+ "/";
		}
	} else {
		return "";
	}
}