/**
 * @author Alexander Farkas | SRL note: animation for background image hover, now you can use html text, no more text images!
 * v. 1.02
 */
(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(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
               var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
               return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
           }
        }
	});
})(jQuery);



/* slider sub menu animation */

function mainmenu(){

$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){

$(this).find('ul:first').css({visibility: "visible",display: "none"}).show( 'drop', { direction: "left" }, 500);
 
},
		
	function(){
		$(this).find('ul:first').css({visibility: "hidden"});
	 });
}

 
$(document).ready(function(){					
	mainmenu();
	
	
	$('#nav a')
		
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(0 -250px)"}, {duration:2000})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:400})
		})
		
	
		
});


// Makes Hover Menu Item Active
 function menuChecker(){
 var docID=document.body.id
 for (i=1; i<11; i++){
  if (docID=='b'+i){
   $('#menu'+i).fadeIn(900);
   $('#menu'+i+' a').css({background: 'none'});
  }
 }
}