function CreateWindowDiv() {
	document.writeln("<div id='msgbgr1' class='msgbgr1' onclick='CloseInnerWindow();'></div>");
	document.writeln("<div id='msgWindow' class='msgWindow'>bubu</div>");
}

CreateWindowDiv();
changeOpac(0, "msgbgr1");
changeOpac(0, "msgWindow");

function OpenInnerWindow(url,w,h) {
	window.name = "main";
	document.getElementById('msgbgr1').style.display='block';
	msgWindow = document.getElementById('msgWindow');
	msgWindow.style.display='block';
	msgWindow.style.width=w+'px';
	msgWindow.style.height=h+'px';
	msgWindow.innerHTML = "<iframe src='"+url+"' frameborder=0 style='height:"+h+"px;width:"+w+"px'></iframe>";
	opacity("msgbgr1",0,100,400);
	opacity("msgWindow",0,90,1000);
}

function CloseInnerWindow() {
	opacity("msgbgr1",100,0,400);
	opacity("msgWindow",90,0,200);
	var t = setTimeout("TurnOffDisplays()",450);
	//document.getElementById('msgWindow').style.display='none';
}

function TurnOffDisplays() {
	document.getElementById('msgbgr1').style.display='none';
	document.getElementById('msgWindow').style.display='none';
}

function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			var b = setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			var b = setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function getOpacity(id) {
	object = document.getElementById(id).style;
	object_opacity=0;
	if (object.opacity) { object_opacity = object.opacity*100; }
	if (object.MozOpacity) { object_opacity = object.MozOpacity*100; }
	if (object.KhtmlOpacity) { object_opacity = object.KhtmlOpacity*100; }
	return object_opacity;
}

function shiftOpacity(id, millisec) {
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}