/* IE6 flicker fix
-------------------------------------------------- */
try { document.execCommand("BackgroundImageCache", false, true); } catch(err){}

/* Init */

$(document).ready(function() {
	$('.ihasahover').hover(function(){ $(this).addClass('hover'); },function(){ $(this).removeClass('hover'); });
});

/* Language dropdown */

function toggleLang(ref){
	$('#languages').toggleClass('hidden');
	if(!$('#languages').hasClass('hidden')){
		$(document).bind('mouseup', toggleLang);
		$('#currentlang').bind('mouseup',function() { return false; });
		$('#languages')[0].style.left = $(ref).offset().left + 'px';
		$('#languages')[0].style.top = $(ref).offset().top + ref.offsetHeight + 'px';
	} else {
		$(document).unbind('mouseup', toggleLang);
	}
}

/* Tabs switcher */

function showTab(ref,set){
	$('#'+set+' > LI > A').each(function(i,a){
		$(a).removeClass('active');
		$($(a).attr('href')).addClass('hidden');
	});
	$(ref).addClass('active');
	$($(ref).attr('href')).fadeIn(500).removeClass('hidden').css({display: ''});
	return false;
}

/**
 * @author Alexander Farkas
 */

(function($) {
	$.extend($.fx.step,{
	    backgroundPosition: function(fx) {
            if (fx.state == 0 && typeof fx.end == 'string') {
                var start = $.curCSS(fx.elem,'backgroundPosition');
                start = toArray(start);
                fx.start = [start[0],start[2]];
                var end = toArray(fx.end);
                fx.end = [end[0],end[2]];
                fx.unit = [end[1],end[3]];
			}
            var nowPosX = [];
            nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
            nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];           
            fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];
            
           function toArray(strg){
               strg = strg.replace(/left|top/g,'0px');
               strg = strg.replace(/right|bottom/g,'100%');
               strg = strg.replace(/(\d+)(\s|\)|$)/g,"$1px$2");
               var res = strg.match(/(\d+)(px|\%|em|pt)\s(\d+)(px|\%|em|pt)/);
               return [parseFloat(res[1]),res[2],parseFloat(res[3]),res[4]];
           }
        }
	});
    
})(jQuery);