function Utilities() {
  
  isNS=(document.layers || (document.getElementById && !document.all)) ? true : false;
    this.confirmDialogue = function(msg, fn) {
        if (confirm(msg)) { fn(); } else { return false; }
    }
    this.getQueryStr = function(str) {
        qstr = window.location.search.substring(1);
        qarray = qstr.split("&");
        for (var i = 0; i < qarray.length; i++) {
            if (qarray[i].split("=")[0] == str) {
                return qarray[i].split("=")[1];
            }
        }
    }
    this.doClick = function(buttonName, e) {
        var url;
        var key;
        if (window.event)
            key = window.event.keyCode;
        else
        { key = e.which; }
        if (key == 13) {
            //alert(buttonName);
            __doPostBack(buttonName, '');
        }
    } 
    
 this.onlyPagingNumber=function(e) {
var keyCode = (isNS) ? e.which : e.keyCode;
if ((keyCode<48 || keyCode>57)&&keyCode!=8&&keyCode!=0&&keyCode!=44&&keyCode!=13){
	return false;}
	}


	this.SetUniqueRadioButton = function(nameregex, current) {
	
	    re = new RegExp(nameregex);

	    for (i = 0; i < document.forms[0].elements.length; i++) {
	        elm = document.forms[0].elements[i];
	        if (elm.type == 'radio') {
	            if (re.test(elm.name)) {
	                elm.checked = false;
	            }
	        }
	    }
	    current.checked = true;
	}


    this.Hash = function() {
        this.length = 0;
        this.items = new Array();
        for (var i = 0; i < arguments.length; i += 2) {
            if (typeof (arguments[i + 1]) != 'undefined') {
                this.items[arguments[i]] = arguments[i + 1];
                this.length++;
            }
        }

        this.removeItem = function(in_key) {
            var tmp_previous;
            if (typeof (this.items[in_key]) != 'undefined') {
                this.length--;
                var tmp_previous = this.items[in_key];
                delete this.items[in_key];
            }

            return tmp_previous;
        }

        this.getItem = function(in_key) {
            return this.items[in_key];
        }

        this.setItem = function(in_key, in_value) {
            var tmp_previous;
            if (typeof (in_value) != 'undefined') {
                if (typeof (this.items[in_key]) == 'undefined') {
                    this.length++;
                }
                else {
                    tmp_previous = this.items[in_key];
                }

                this.items[in_key] = in_value;
            }

            return tmp_previous;
        }

        this.hasItem = function(in_key) {
            return typeof (this.items[in_key]) != 'undefined';
        }

        this.clear = function() {
            for (var i in this.items) {
                delete this.items[i];
            }

            this.length = 0;
        }
    }



    
}
 var util = new Utilities();