function hideDIV(id){
var findDIVobj = document.getElementById(id);
    if (findDIVobj.style.display!="none"){findDIVobj.style.display="none"}
}


function showDIV(id){

var isIE=window.ActiveXObject?true:false;

var findDIVobj = document.getElementById(id);
    if (findDIVobj.style.display=="none")
	{
		if (isIE)
			findDIVobj.style.display="block";
		else
			findDIVobj.style.display="table";
	}

}



function messageBox(type, html)
{
	var isrc = alertImages[type];

	var msgimage = document.getElementById('msgimage');
	if (!isUndefined(msgimage)) 
		msgimage.src = isrc.src

	var msgcopy = document.getElementById('msgcopy');
	if (!isUndefined(msgcopy)) 
		msgcopy.innerHTML = html;

	showDIV('shadowDIV');

	
}



function isUndefined(x) { return x == null && x !== null; }



var alertImages = new Object();

	alertImages["alert"] = new Image();
	alertImages["alert"].src = "images/warning_alert.png";
	alertImages["info"] = new Image();
	alertImages["info"].src  = "images/info_alert.png";
	alertImages["error"] = new Image();
	alertImages["error"].src  = "images/error_alert.png";