// The screen saver's container id.

var SCREEN_SAVER_ID = "screenSaver_flash";



// The number of milliseconds to wait before showing the screen saver.

var SCREEN_SAVER_DELAY = 180000;



// Restricts the program to call the screen saver functions in order.

var screenSaverShown = false;

var screenSaverTimer = null;



initScreenSaver();



function initScreenSaver() {



	// Size the screen saver to the window.

	resizeScreenSaver();

	window.onresize = resizeScreenSaver;

	window.onscroll = resizeScreenSaver;



	// Reset the screen saver when the user moves the mouse cursor.

	document.onmouseover = resetScreenSaver;



	resetScreenSaver();



} // End initScreenSaver().



function resizeScreenSaver() {



	var obj = document.getElementById( SCREEN_SAVER_ID );

	if ( obj == null ) return;



	var vp = new ssUtil_Viewport();

	obj.style.top = vp.scrollY + 'px';

	obj.style.height = vp.windowY + 'px';



} // End resizeScreenSaver().



function resetScreenSaver() {



	// Clear the currently scheduled event.

	if ( screenSaverTimer != null ) {

		clearTimeout( screenSaverTimer );

	} // End if.

	

	//If the screen saver is not shown, schedule it to appear after the specified amount of time.

	if ( screenSaverShown == false ) {

		screenSaverTimer = setTimeout( "showScreenSaver()", SCREEN_SAVER_DELAY );

	} // End if.



} // End resetScreenSaver().



function showScreenSaver() {



	if ( screenSaverShown ) return;



	// The last scheduled event executed -- reset its index.

	screenSaverTimer = null;



	var obj = document.getElementById( SCREEN_SAVER_ID );

	if ( obj == null ) return;



	// Hides the tagged dropdowns so they do not appear over the blimp.

	setTaggedElementVisibility( false );



	// Load the screen saver.

	// Do this every time the screen saver shows to restart the Flash animation.

	obj.innerHTML = "";

	obj.style.display = "";

	var screenSaver_so = new SWFObject( "/flash/screenSaver/screenSaver.swf", "screenSaverFlashMovie", "100%", "100%", "7", "#ffffff" );

	screenSaver_so.addParam( "wmode", "transparent" );

	screenSaver_so.addParam( "scale", "noscale" );

	screenSaver_so.addParam( "salign", "lt" );

	screenSaver_so.addParam( "flashvars", "showConsole=false" );

	screenSaver_so.write( SCREEN_SAVER_ID );



	screenSaverShown = true;



	resizeScreenSaver();



} // End showScreenSaver().



function hideScreenSaver() {



	if ( screenSaverShown == false ) return;



	// Re-show the tagged dropdowns.

	setTaggedElementVisibility( true );



	var obj = document.getElementById( SCREEN_SAVER_ID );

	if ( obj == null ) return;



	// Hide the screen saver.

	obj.innerHTML = "";

	obj.style.display = "none";



	screenSaverShown = false;



	resetScreenSaver();



} // End hideScreenSaver().



function ssUtil_Viewport() {



	this.windowX = (document.documentElement && document.documentElement.clientWidth) || window.innerWidth || self.innerWidth || document.body.clientWidth;

	this.windowY = (document.documentElement && document.documentElement.clientHeight) || window.innerHeight || self.innerHeight || document.body.clientHeight;

	this.scrollX = (document.documentElement && document.documentElement.scrollLeft) || window.pageXOffset || self.pageXOffset || document.body.scrollLeft;

	this.scrollY = (document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || self.pageYOffset || document.body.scrollTop;

	this.pageX = (document.documentElement && document.documentElement.scrollWidth) ? document.documentElement.scrollWidth : (document.body.scrollWidth > document.body.offsetWidth) ? document.body.scrollWidth : document.body.offsetWidth;

	this.pageY = (document.documentElement && document.documentElement.scrollHeight) ? document.documentElement.scrollHeight : (document.body.scrollHeight > document.body.offsetHeight) ? document.body.scrollHeight : document.body.offsetHeight;



} // End ssUtil_Viewport().