var POP_LOCATIONBAR = 1;	// 0000000000001
var POP_MENUBAR = 2;		// 0000000000010
var POP_STATUSBAR = 4;		// 0000000000100
var POP_SCROLLBAR = 8;		// 0000000001000
var POP_RESIZEABLE = 16;	// 0000000010000
var POP_GROUPWINDOW = 32;	// 0000000100000
var POP_DIRECTORIES = 64;	// 0000001000000
var POP_CHANNELMODE = 128;	// 0000010000000
var POP_FULLSCREEN = 256;	// 0000100000000
var POP_TITLEBAR = 512		// 0001000000000
var POP_MODAL = 1024;		// 0010000000000
var POP_TOOLBAR = 2048;		// 0100000000000

var POP_DEFAULT = POP_SCROLLBAR;
var POP_NEWWINDOW = POP_TOOLBAR | POP_LOCATIONBAR | POP_MENUBAR | POP_STATUSBAR | POP_RESIZEABLE;

var utilPopup = new mmi_js_util_popup();

var mmi_popup_containers = new Array();
var mmi_popup_modal;

function mmi_js_util_popup()
{
	var openWindow, closeGroupWindow;
	this.openWindow = mmi_popup_openWindow;
	closeGroupWindow = mmi_pop_closeGroupWindow;
}

function mmi_popup_openWindow(link, name, width, height, left, top, attrs)
{
	var attr;
	attr = "";

	if(mmi_popup_modal != null)
	{
		try{
				mmi_popup_modal.focus();
				return;
		}
		catch(e)
		{
				mmi_popup_modal = null;
		}
	}

	if((attrs & POP_TOOLBAR) == POP_TOOLBAR)
		attr += "toolbar=yes";
	else
		attr += "toolbar=no";
		
	if((attrs & POP_LOCATIONBAR) == POP_LOCATIONBAR)
		attr += ",location=yes";
	else
		attr += ",location=no";
		
	if((attrs & POP_MENUBAR) == POP_MENUBAR)
		attr += ",menubar=yes";
	else
		attr += ",menubar=no";
		
	if((attrs & POP_STATUSBAR) == POP_STATUSBAR)
		attr += ",status=yes";
	else
		attr += ",status=no";
		
	if((attrs & POP_SCROLLBAR) == POP_SCROLLBAR)
		attr += ",scrollbars=yes";
	else
		attr += ",scrollbars=no";
		
	if((attrs & POP_RESIZEABLE) == POP_RESIZEABLE)
		attr += ",resizable=yes";
	else
		attr += ",resizable=no";

	if((attrs & POP_DIRECTORIES) == POP_DIRECTORIES)
		attr += ",directories=yes";
	else
		attr += ",directories=no";
		
	if((attrs & POP_CHANNELMODE) == POP_CHANNELMODE)
		attr += ",channelmode=yes";
	else
		attr += ",channelmode=no";
		
	if((attrs & POP_FULLSCREEN) == POP_FULLSCREEN)
		attr += ",fullscreen=yes";
	else
		attr += ",fullscreen=no";
		
	if((attrs & POP_TITLEBAR) == POP_TITLEBAR)
		attr += ",titlebar=yes";
	else
		attr += ",titlebar=no";

	attr += ",height=" + height;
	attr += ",width=" + width;
	
	if(top == null)
		attr += ",top=" + (window.screen.height - height)/2;
	else
		attr += ",top=" + top;
		
	if(left == null)
		attr += ",left=" + (window.screen.width - width)/2;
	else
		attr += ",left=" + left;


	if((attrs & POP_MODAL) == POP_MODAL)
	{
		mmi_popup_modal = window.open(link, name, attr);
		mmi_pop_setModalWindow();
		mmi_popup_modal.focus();
		window.onunload = function(){if(mmi_popup_modal.close) mmi_popup_modal.close();};
	}
	else if((attrs & POP_GROUPWINDOW) == POP_GROUPWINDOW)
	{
		mmi_popup_containers[mmi_popup_containers.length] = window.open(link, name, attr);
		mmi_popup_containers[mmi_popup_containers.length-1].focus();
		window.onunload = mmi_pop_closeGroupWindow;
	}
	else
	{
		window.open(link, name, attr);
	}	

}

function mmi_pop_closeGroupWindow()
{
	var i;
	for(i=mmi_popup_containers.length-1; i >= 0; i--)
	{
		if(mmi_popup_containers[i].close)
			mmi_popup_containers[i].close();
	}
}

function mmi_pop_setModalWindow()
{
	var i;
	for(i = 0; i < document.frames.length; i++)
		document.frames[i].document.body.onfocus = function() { try { mmi_popup_modal.focus(); } catch (e){ } window.setTimeout("mmi_pop_setModalWindowFunction()", 5); };
	window.onfocus = function() { try { mmi_popup_modal.focus(); } catch (e){ } window.setTimeout("mmi_pop_setModalWindowFunction()", 5); };

}

function mmi_pop_setModalWindowFunction()
{
	try {
		mmi_popup_modal.focus();
	} 
	catch (e){ 
		var i; 
		for(i = 0; i < document.frames.length; i++) 
			document.frames[i].document.body.onfocus = null; 
		window.onfocus = null; 
		mmi_popup_modal = null;
		window.focus();
	}
}