jQuery(document).ready(function(){
	jQuery('#main-nav li:has(a.top-cat)').mouseenter(function(){
		var that = jQuery(this);
		var ddLeft = that.offset().left;
		var pLeft = jQuery('#main-nav').offset().left;
		var pWidth = jQuery('#main-nav').width();
		var numCols = that.find('.dropnav ul').size();
		var ddWidth = 150*numCols;
		
		var maxLeft = pLeft+pWidth-ddWidth-20;// 20 is padding on dropnav div
		
		that.find('.dropnav').css({width:ddWidth});
	});
});