//var msgText = msgReadCookie('msgText');   //cookie based messaging
//var msgType = msgReadCookie('msgType');
//var msgTitle= msgReadCookie('msgTtitle');
//
//msgEraseCookie('msgText');
//msgEraseCookie('msgType');
//msgEraseCookie('msgTitle');

//if(msgText){
//	msgDisplay(msgText, msgType, msgTitle);
//}
var msgDiv;

function msgCatchEsc(e)
{
	if (!e){
		e = window.event;
	}
	if (e.keyCode){
		code = e.keyCode;
	} else if (e.which){
		code = e.which;
	}
	if(code==27){
		msgCloseClick();
	}
}

function msgAttachEvent(name, element, callBack)
{
	if (element.addEventListener) {
		element.addEventListener(name, callBack, false);
	} else if (element.attachEvent) {
	 	element.attachEvent('on'+name, callBack);
	}
}

function msgCreateCookie(cName, cValue)
{
	var argv = msgCreateCookie.arguments;
	var argc = msgCreateCookie.arguments.length;
	var expires = (argc > 2) ? new Date(argv[2]) : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = cName + "=" + escape (cValue) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");	
}

function msgReadCookie(keyName)
{
	var nameEQ = keyName + "=";
	var ca = document.cookie.split (';');
	for (var i = 0; i < ca.length; i ++) {
		var c = ca [i];
		while (c.charAt (0) == ' ') c = c.substring (1, c.length);
		if (c.indexOf (nameEQ) == 0) return c.substring (nameEQ.length, c.length);
	}
	return null;
}

function msgEraseCookie(cName)
{
	msgCreateCookie(cName, "", -1);
}

function msgDisplay(msgText, msgType, msgTitle, msgCmd)
{
	_msgLoader = function()
	{
		if(document.body){
			document.body.appendChild(msgDiv);
			_msgBtns = document.getElementById('msgExtra').childNodes;
			for(var key in _msgBtns){
				if(_msgBtns[key].tagName == "INPUT" && _msgBtns[key].offsetLeft){
					msgAttachEvent('keypress', _msgBtns[key], msgCatchEsc);
					_msgBtns[key].onkeypress = msgCatchEsc;
					setTimeout('_msgBtns['+key+'].focus();', 200);
					break;
				}
			}
			msgDiv.style.left = parseInt((document.body.offsetWidth - msgDiv.offsetWidth) / 2)+'px';
			msgScroll(null, -msgDiv.offsetHeight-20);
			msgAttachEvent('keyup', document, msgCatchEsc);
		} else {
			setTimeout('_msgLoader()', 500);	
		}
	}
	if(typeof(msgDiv) == 'object'){
		return false;	
	}	
	if(typeof(msgType) != 'string'){
		msgType = '';	
	}
	if(typeof(msgTitle) != 'string'){
		msgTitle = msgType.toUpperCase();
	}
	msgDiv = document.createElement('DIV');
	msgDiv.className = 'msgDiv';
	msgDiv.id = 'msg_' + msgType.toLowerCase();
	if(typeof(msgCmd)!='undefined' && msgCmd){
		var OkClick 	= msgCmd;
		var ApplyClick	= msgCmd; 
		var YesClick	= msgCmd; 
	} else {		
		var OkClick		= "msgOkClick();";
		var ApplyClick	= "msgApplyClick();"; 
		var YesClick	= "msgYesClick();"; 
	}
	msgDiv.innerHTML = 	'<div class="header" id="msgHeader"><div class="close" id="msgClose" onclick="msgCloseClick();" onmousedown="this.style.margin=\'3px 1px 1px 3px\'" onmouseup="this.style.margin=\'2px\'">X</div><div class=title id="msgTitle">'+msgTitle+'</div></div>'+
						'<div class="picture" id="msgPicture"></div>'+
						'<div class="content" id="msgContent">'+msgText+'</div>'+
						'<div class="extra" id="msgExtra"><input id="msgBtnOk" onclick="'+OkClick+'" type="button" value="OK" /> <input id="msgBtnCancel" onclick="msgCancelClick();" type="button" value="Cancel" /> <input id="msgBtnApply" onclick="'+ApplyClick+'" type="button" value="Apply" /> <input id="msgBtnYes" onclick="'+YesClick+'" type="button" value="Yes" /> <input id="msgBtnNo" onclick="msgNoClick();" type="button" value="No" /></div>';
	_msgLoader();	
}

function msgScroll(align, steps)
{
	var topMargin = 132 + document.body.scrollTop;
	var stepsDivisor = 1.3;
	var interval = 20;
	if(typeof(msgDiv)!="object"){
		return false;
	}
	msgDiv.style.top = (steps + topMargin) +'px';
	steps = parseInt(steps / stepsDivisor);
	if(steps < -2){
		setTimeout('msgScroll('+align+', '+steps+')', interval);
	}
}

msgCloseClick = msgOkClick = msgCancelClick = msgApplyClick = msgYesClick = msgNoClick = function()
{
	if(typeof(msgDiv)=='object') {
		document.body.removeChild(msgDiv);
		msgDiv = 0;
	}
}

function MESSAGE()
{
	this.display = this.show = msgDisplay;
	this.alert = function(msgText){this.display(msgText, 'alert', 'Alert', this.cmd)}
	this.error = function(msgText){this.display(msgText, 'error', 'Error', this.cmd)}
	this.help = function(msgText){this.display(msgText, 'help', 'Help', this.cmd)}
	this.info = function(msgText){this.display(msgText, 'info', 'Prompt', this.cmd)}
	this.lock = function(msgText){this.display(msgText, 'lock', 'Access', this.cmd)}
	this.ok = function(msgText){this.display(msgText, 'ok', '', this.cmd)}
}

var msg = new MESSAGE;