var imageHeight = 778;
var imageWidth = 1166;
var projectCountOfScrolls = 0;
var noScroll = false;

function fullHeightMainBackground() {
	var mainDiv = $('#main');  
	var documentHeight = $(document).height();
	if(mainDiv.height() < documentHeight)
		mainDiv.css('height', documentHeight + 'px'); 
}

function changeContentImage(_imagePath, _imageAlt)
{
	$('#contentImage').attr('src', _imagePath);
	$('#contentImage').attr('alt', _imageAlt);
}

function projectPager(_direction) {
	var countOfScrolls = Math.ceil(($('div.project').size()) / 6) - 1;
	var checkPagerImages = false;
	if(_direction == 1 && projectCountOfScrolls < countOfScrolls)
	{
		$("#projectsInner").animate({ 
			top: "-=420px"
		}, 1000 );

		projectCountOfScrolls++;
		checkPagerImages = true;
	}
	else if(_direction === 0 && projectCountOfScrolls > 0)
	{
		$("#projectsInner").animate({ 
			top: "+=420px"
		}, 1000 );
		projectCountOfScrolls--;
		checkPagerImages = true;
	}
	
	if(checkPagerImages)
	{
		if(projectCountOfScrolls < countOfScrolls)
		{
			$('#projectPagerForward').attr('src', '/images/projectPagerForwardActive.png');
		}
		else
		{
			$('#projectPagerForward').attr('src', '/images/projectPagerForward.png');
		}
		
		if(projectCountOfScrolls > 0)
		{
			$('#projectPagerBackward').attr('src', '/images/projectPagerBackwardActive.png');
		}
		else
		{
			$('#projectPagerBackward').attr('src', '/images/projectPagerBackward.png');
		}
	}
}

function toggleKompetenzen(kompetenz) {
	var kompetenzToToggle = $(kompetenz).parent().next()[0];
	$("div.kompetenzContent").each(function(){
		try {
			if($(this)[0].id == kompetenzToToggle.id)
			{
				
				$(kompetenzToToggle).slideToggle("fast");
			}
			else
				$(this).slideUp("fast");
		}
		catch(x) {
			$(this).slideUp("fast");
		}
	});
}