$(document).ready(function(){
	
	var marginMenu = 5;
	
	var leftBand = $("#left-band");
	var rightBand = $("#right-band");
	
	var menuUl = $("#mv-main-menu ul");
	
	var menuFirstChild = $("#mv-main-menu li:first-child");
	var menuLastChild = $("#mv-main-menu li.last-child");
	
	var mainMenu = $("#mv-main-menu");
	menuUlMarginLeft = parseInt(menuUl.css('margin-left'));
	menuUl.css('margin-left', menuUlMarginLeft + marginMenu);
	
	var mainMenuHeight = $("#mv-main-menu").height();
		
	leftBand.height(mainMenuHeight);
	rightBand.height(mainMenuHeight);
		
	function setBands(){
		
		var leftOffset = 0;		
		var leftWidth = mainMenu.offset().left;
		var rightOffset = leftWidth + mainMenu.width() + marginMenu;
		var rightWidth = $(this).width() - rightOffset;

		if(leftWidth > 0){
			leftBand.css('left', leftOffset);
			leftBand.width(leftWidth - marginMenu);
			rightBand.css('left', rightOffset);
			rightBand.width(rightWidth);
		}
		else{
			leftBand.width(0);
			rightBand.width(0);
		}
	}
	
	setBands();

	$(window).resize(setBands);

});