$(window).resize(function(){
	if(!(navigator.platform == 'iPad' || navigator.platform == 'iPhone' || navigator.platform == 'iPod')){
		checkOpa();
	}
});

function checkOpa(){
	//return;
	var ww = $(window).width();
	var bi = $('#btm_img');
	var bii = $('#btm_img img');
	if(bi.length > 0){	
		var opa = (ww - 950) / 100;
		if(opa < 0) opa = 0;
		if(opa > 1) opa = 1;

  if (jQuery.browser.msie){
        bii.css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bii.src+",sizingMethod='scale')");
        bii.css("-ms-filter", "progid:DXImageTransform.Microsoft.Alpha(Opacity=" + opa * 100 + ")");
		}
		bi.css({"opacity": opa});
		
		if(opa <= 0){
			bi.hide();
		}else{
			bi.show();
		}
	}
}

$(
	function(){
	
		if(navigator.platform == 'iPad' || navigator.platform == 'iPhone' || navigator.platform == 'iPod'){
			$("#btm_img").hide();
		}else{
			checkOpa();
		}


		$('.duunit li img').mouseover(function(){
			$(this).animate({"opacity":1}, 300);
		})
		.mouseout(function(){
				$(this).animate({"opacity":0.5}, 200);
		});
	


		$('.hidden_content').each(
			function(){
				$(this).hide().before(
					$("<a>")
						.click(
							toggleHidden
						)
						.attr("href", "#")
						.addClass("morebutton")
						.html('Lue lisää &#9660;')
				);
			}
		);
	}
);




function toggleHidden(eve){
	var th = $(eve.target);
	var txt = th.next();
	if(txt.is(":visible")){
		txt.slideUp();
		th.html("Lue lisää &#9660;");	
	}else{
		txt.slideDown();
		th.html("Piilota &#9650;");
	}
	return false;
}