js取当前地址

var locHref = location.href;
	var locArray = locHref.split("/");
	//这里测试locArray效果**
	    for(x in locArray){
	      document.write("locArray[");
	      document.write(x+"]: ");
	      document.write(locArray[x]+"<br />");
	    }
	    delete locArray[locArray.length-1];
	    var dirTxt = locArray.join("/");
	    return dirTxt;
	}