//### declarations
bImagesLoaded		= false;

function switchImage( Image )
{

	//### error checking
	if( !bImagesLoaded ) return;

	//### if image is already on, turn it off. otherwise turn it on
	if( document.images[ Image.name ].src == eval( Image.name + '_on.src' ) )
	{
		document.images[ Image.name ].src = eval( Image.name + '_off.src' );
	}
	else
	{
		document.images[ Image.name ].src = eval( Image.name + '_on.src' );
	}

}

//### function to preload each image
function preLoadImage( Path, ImageID )
{
	eval( ImageID + '_on = new Image()' );
	eval( ImageID + '_on.src = "' + Path + ImageID + '_on.gif"' );
	eval( ImageID + '_off = new Image()' );
	eval( ImageID + '_off.src = "' + Path + ImageID + '_off.gif"' );
}

function loadNavImages()
{
	preLoadImage( '/Images/Navigator/', 'home' );
	preLoadImage( '/Images/Navigator/', 'about' );
	preLoadImage( '/Images/Navigator/', 'topics' );
	preLoadImage( '/Images/Navigator/', 'projects' );
	preLoadImage( '/Images/Navigator/', 'membership' );
	preLoadImage( '/Images/Navigator/', 'boards' );
	preLoadImage( '/Images/Navigator/', 'events' );
	preLoadImage( '/Images/Navigator/', 'reports' );
	preLoadImage( '/Images/Navigator/Membership/', 'elections' );
	preLoadImage( '/Images/Navigator/Membership/', 'correspondence' );
	preLoadImage( '/Images/Navigator/Membership/', 'meetings' );
	preLoadImage( '/Images/Navigator/Membership/', 'governance' );
	preLoadImage( '/Images/Navigator/Membership/', 'awards' );
	preLoadImage( '/Images/Navigator/Membership/', 'committees' );
	preLoadImage( '/Images/Navigator/Membership/', 'directory' );
	preLoadImage( '/Images/Navigator/Membership/', 'generalinfo' );
	preLoadImage( '/Images/Navigator/Membership/', 'givingtoiom' );
}

function ShowCloseup(i)
{	
	if(parseInt(navigator.appVersion) > 3)
	{
		window.open('/Includes/Dialogs/Closeup.asp?ID=' + i, 'closeup' + i, 'left=0,top=0,height=322,width=400,statusbar=no,toolbar=no,maximize=no,resizable=yes,border=no,frameborder=no,menu=no,caption=no');
	} else {
		// No "resizeTo" functionality. - Emulate it.
		window.open('/Includes/Dialogs/Closeup.Prep.asp?ID=' + i, '', 'left=-100,top=-100,height=1,width=1');
	}	
}

function Subscribe()
{
	window.open('/Includes/Dialogs/Subscribe.asp', '', 'height=400,width=400,top=0,left=0,statusbar=no,menubar=no,toolbar=no,resizable=yes');
}

function ExternalLink(i,u)
{
	window.open('/Includes/Dialogs/ExternalLink.asp?ID=' + i + '&URL=' + escape(u), '', 'height=480,width=640,top=0,left=0,statusbar=yes,menubar=no,toolbar=no,resizable=yes,border=no,frameborder=no,menu=no,caption=no');
}