function encryptInput (passwPlain, passwEncr) {
	var plain = passwPlain.value;
	if (plain == null) {
		passwEncr.value = "";
		passwPlain.encrypted = false;
	}
	else if (!passwPlain.encrypted) {
		// var re = /^[\*]*$/;
		// if (!re.test (plain)) {
		var encrypted = hex_md5(plain);
		passwEncr.value = encrypted;
		passwPlain.value = createString("*", plain.length);
			
		passwPlain.encrypted = true;
		// }
	}
	return false;
}

function createString (pattern, repeat) {
	var str = "";
	for (i=0 ; i<repeat; i++) {
		str += pattern;
	}
	return str;
}

function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}

var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
addEvent(window, 'unload', EventCache.flush);

function fnTrapKD(btn, event){
 if (document.all){
  if (event.keyCode == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.focus();
   btn.click();
  }
 }
 else if (document.getElementById){
  if (event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.focus();
   btn.click();
  }
 }
 else if(document.layers){
  if(event.which == 13){
   event.returnValue=false;
   event.cancel = true;
   btn.focus();
   btn.click();
  }
 }
}