var _QUOTE_POS = 0;
var _QUOTE_NUM = 0;

$(document).ready(function() {
	_QUOTE_NUM = $('#quotesCycle li').length;
});

$(window).load(function() {
	$('#globalBigImage').innerfade({
		speed: 1000, 
	  timeout: 6000, 
	  type: 'sequence', 
	  containerheight: '225px' 
	});
	
	$('#quotesCycle').innerfade({
		speed: 1000, 
	  timeout: 12000, 
	  type: 'sequence', 
	  containerheight: '125px' 
	});
	
	//setInterval("cycleQuotes()", 10000);
});

function cycleQuotes() {
	_QUOTE_POS = (_QUOTE_POS==_QUOTE_NUM - 1) ? 0 : _QUOTE_POS + 1;
	var left = _QUOTE_POS * -459;
	$('#quotesCycle').animate({left: left+'px'}, 500);
}

(function($) {

    $.fn.innerfade = function(options) {
        return this.each(function() {   
            $.innerfade(this, options);
        });
    };

    $.innerfade = function(container, options) {
        var settings = {
        		'animationtype':    'fade',
            'speed':            'normal',
            'type':             'sequence',
            'timeout':          2000,
            'containerheight':  'auto',
            'runningclass':     'innerfade',
            'children':         null
        };
        if (options)
            $.extend(settings, options);
        if (settings.children === null)
            var elements = $(container).children();
        else
            var elements = $(container).children(settings.children);
        if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
            };
            if (settings.type == "sequence") {
                setTimeout(function() {
                    $.innerfade.next(elements, settings, 1, 0);
                }, settings.timeout);
                $(elements[0]).show();
            } else if (settings.type == "random") {
            		var last = Math.floor ( Math.random () * ( elements.length ) );
                setTimeout(function() {
                    do { 
												current = Math.floor ( Math.random ( ) * ( elements.length ) );
										} while (last == current );             
										$.innerfade.next(elements, settings, current, last);
                }, settings.timeout);
                $(elements[last]).show();
						} else if ( settings.type == 'random_start' ) {
								settings.type = 'sequence';
								var current = Math.floor ( Math.random () * ( elements.length ) );
								setTimeout(function(){
									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
								}, settings.timeout);
								$(elements[current]).show();
						}	else {
							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
						}
				}
    };

    $.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);
            $(elements[current]).fadeIn(settings.speed, function() {
							removeFilter($(this)[0]);
						});
        } else
            alert('Innerfade-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('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
        setTimeout((function() {
            $.innerfade.next(elements, settings, current, last);
        }), settings.timeout);
    };

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}

function getWindowHeight()
{
	var windowHeight = 0;
 
  if (typeof(window.innerHeight) == "number")
  {
		windowHeight = window.innerHeight;
	}
	else
	{
		if (document.documentElement && document.documentElement.clientHeight)
		{
			windowHeight = document.documentElement.clientHeight;
		}
		else
		{
			if (document.body && document.body.clientHeight)
			{
				windowHeight = document.body.clientHeight;
			}
		}
	}

	return windowHeight;
}

function setFooter()
{
	if (document.getElementById)
	{
		var windowHeight = getWindowHeight();
	
		if (windowHeight>0)
		{
			var contentHeight = document.getElementById("main").offsetHeight;
      var footerElement = document.getElementById("footer");
      var footerHeight = footerElement.offsetHeight;

			if (windowHeight - (contentHeight + footerHeight) >= 0)
			{
				footerElement.style.position = "relative";
				footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + "px";
			}
			else
			{
				footerElement.style.position = "static";
			}
		}
	}
}

//window.onload = function () { setFooter(); };
//window.onresize = function () { setFooter(); };