//the following code use radconfirm to mimic the blocking of the execution thread.
            //The approach has the following limitations:
            //1. It works inly for elements that have *click* method, e.g. links and buttons
            //2. It cannot be used in if(!confirm) checks
            window.blockConfirm = function(text, mozEvent, oWidth, oHeight, callerObj, oTitle) 
            { 
                var ev = mozEvent ? mozEvent : window.event; //Moz support requires passing the event argument manually 
                //Cancel the event 
                ev.cancelBubble = true; 
                ev.returnValue = false; 
                if (ev.stopPropagation) ev.stopPropagation(); 
                if (ev.preventDefault) ev.preventDefault(); 
                   
                //Determine who is the caller 
                var callerObj = ev.srcElement ? ev.srcElement : ev.target; 
      
                //Call the original radconfirm and pass it all necessary parameters 
                if (callerObj) 
                { 
                    //Show the confirm, then when it is closing, if returned value was true, automatically call the caller's click method again. 
                    var callBackFn = function (arg) 
                    { 
                        if (arg) 
                        { 
                            callerObj["onclick"] = ""; 
                            if (callerObj.click) callerObj.click(); //Works fine every time in IE, but does not work for links in Moz 
                            else if (callerObj.tagName == "A") //We assume it is a link button! 
                            { 
                                try 
                                { 
                                    eval(callerObj.href) 
                                } 
                                catch(e){} 
                            } 
                        } 
                    } 

                    radconfirm(text, callBackFn, oWidth, oHeight, callerObj, oTitle); 
                } 
                return false; 
            }