(function($) {

$.fn.innerfade = function(options) {

	this.each(function(){ 	
		
		var settings = {
			animationtype: 'fade',
			speed: '1000',
			timeout: 6000,
			type: 'sequence',
			containerheight: '160px',
			runningclass: 'innerfade',
			stdelay: 6000
		};
		
		if(options)
			$.extend(settings, options);
		
		var elements = $(this).children();
	
		if (elements.length > 1) {
		
			$(this).css('position', 'relative');
	
			$(this).css('height', settings.containerheight);
			$(this).addClass(settings.runningclass);
			
	
			for ( var i = 0; i < elements.length; i++ ) {
				$(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute');
				$(elements[i]).hide();
			};
		
			if ( settings.type == 'sequence' ) {
				setTimeout(function(){
					$.innerfade.next(elements, settings, 1, 0);
				}, settings.stdelay);
				$(elements[0]).show();
			} else if ( settings.type == 'random' ) {
				setTimeout(function(){
					do { current = Math.floor ( Math.random ( ) * ( elements.length ) ); } while ( current == 0 )
					$.innerfade.next(elements, settings, current, 0, 0);
				}, settings.stdelay);
				$(elements[0]).show();
			}	else {
				alert('type must either be \'sequence\' or \'random\'');
			}
			
		}
		
	});
};


$.innerfade = function() {}
$.innerfade.next = function (elements, settings, current, last) {

	if ( settings.animationtype == 'slide' ) {
		$(elements[last]).slideUp(settings.speed, $(elements[current]).slideDown(settings.speed));
	} else if ( settings.animationtype == 'fade' ) {
		$(elements[last]).fadeOut(settings.speed);
		$(elements[current]).fadeIn(settings.speed);
	} else {
		alert('animationtype must either be \'slide\' or \'fade\'');
	};
	
	if ( settings.type == 'sequence' ) {
		if ( ( current + 1 ) < elements.length ) {
			current = current + 1;
			last = current - 1;
		} else {
			current = 0;
			last = elements.length - 1;
		};
	}	else if ( settings.type == 'random' ) {
		last = current;
		while (	current == last ) {
			current = Math.floor ( Math.random ( ) * ( elements.length ) );
		};
	}	else {
		alert('type must either be \'sequence\' or \'random\'');
	};
	setTimeout((function(){$.innerfade.next(elements, settings, current, last);}), settings.timeout);
};
})(jQuery);

$(document).ready(function(){
	var iSrc = {
		0: '<img src="images/homepage/lg6.jpg" alt="NDDT Photo 6" width="340" height="225" />',
		1: '<img src="images/homepage/lg1.jpg" alt="NDDT Photo 1" width="340" height="225" />',
		2: '<img src="images/homepage/lg5.jpg" alt="NDDT Photo 5" width="340" height="225" />',
		3: '<img src="images/homepage/sm4.jpg" alt="NDDT Photo 4" width="150" height="225" />',
		4: '<img src="images/homepage/sm3.jpg" alt="NDDT Photo 3" width="150" height="225" />',
		5: '<img src="images/homepage/sm1.jpg" alt="NDDT Photo 1" width="150" height="225" />'
	};
	function selectSource(w){
		x=iSrc[0]+iSrc[3]+iSrc[4];
		if (w >= 1590) {
			x=iSrc[0]+iSrc[1]+iSrc[3]+iSrc[2]+iSrc[4]+iSrc[5];
		}
		else if (w >= 1420) {
			x=iSrc[0]+iSrc[1]+iSrc[3]+iSrc[2]+iSrc[4];
		}
		else if (w >= 1230) {
			x=iSrc[0]+iSrc[3]+iSrc[2]+iSrc[4]+iSrc[5];
		}	
		else if (w >= 1060) {
			x=iSrc[0]+iSrc[1]+iSrc[3]+iSrc[4];
		}
		else if (w >= 890) {
			x=iSrc[0]+iSrc[1]+iSrc[3];
		}	
		return x;
	};
	$('#homeimages').html(selectSource($('#homeimages').width()));
	$(window).resize(function() {
		$('#homeimages').html(selectSource($('#homeimages').width()));
	});  
	$('#news .fader').innerfade();
	$('#events .fader').innerfade({
		stdelay: 8000
	});  
    $('#quicklinks').hide();
   	$('.qltrig').mouseover(function() {
		$('#quicklinks').show();
	});       
    $('#quicklinks').hover(function() {
		$('#quicklinks').show();
     	}, function() {
   		$('#quicklinks').hide();
       	
    });
});