var Upload = Class.create(false);
Upload.prototype = {
	initialize: function() {
		var http= this.createRequestObject();
		var uploader="";
		var uploadDir="";
		var dirname="";
		var filename="";
		var timeInterval="";
		var idname="";
		var uploaderId="";
	},

	createRequestObject : function() {
		var obj;
		var browser = navigator.appName;
		if(browser == "Microsoft Internet Explorer"){
			return new ActiveXObject("Microsoft.XMLHTTP");
		}
		else{
			return new XMLHttpRequest();
		}   
	}
}