$(document).ready(function(){
	function parseBackgroundPosition(cssString){
		var index = cssString.indexOf('px');
		var x = cssString.substring(0, index);
		index = index + 3;
		var y = "0";//cssString.substring(index, cssString.length-2);
		var css = {x:x,y:y};
		
		return css;
	}
	
	//Rollovers for nav
	$('.nav-link a').hover(function(e){
	//	alert($(this).css('background-position-x'));	
			var css = parseBackgroundPosition($(this).backgroundPosition());
			var cssString = css.x +'px' + ' ' + '0px';
			$(this).css({'background-position':cssString});
			
			$(this).css({'background-position-y':'0px'});
		},function(){
			var css = parseBackgroundPosition($(this).backgroundPosition());
			var cssString = css.x +'px' + ' ' + '-45px';
				$(this).css({backgroundPosition	:cssString});
				$(this).css({'background-position-y':'-45px'});
	});	
});