$(document).ready(function(){
	$('li.nav_li').not('li.on').find('a').mouseenter(function(){
		old_src = $(this).find('img').attr('src');
		$(this).find('img').attr('src',old_src+'&hover=1');
	});
	
	$('li.nav_li').not('li.on').find('a').mouseleave(function(){
		old_src = $(this).find('img').attr('src');
		new_src = str_replace('&hover=1','',old_src);
		//alert(new_src);
		$(this).find('img').attr('src',new_src);
	});
	/*
	total_width=0;
	mainnav_width = $('#mainnav').width();
	
	total_lists = $('#mainnav > ul > li').length;
	margin_lists = total_lists-1;
	
	$('#mainnav > ul > li').each(function(){
		total_width = total_width + $(this).width();
	});
	
	width_diff = mainnav_width-total_width;
	
	$('#mainnav > ul > li:first').css('margin-left',width_diff+'px');
	
	
	each_marg_left = floor(width_diff/margin_lists);
	
	rem_marg_left = width_diff - (margin_lists * each_marg_left);
	
	//alert('Margin Left: '+each_marg_left+'\nMargin Remn: '+rem_marg_left);
	
	$('#mainnav > ul > li').not('li:first').not('li:last').each(function(){
		$(this).css('margin-left',each_marg_left+'px');
	});
	
	$('#mainnav > ul > li:last').css('margin-left',(rem_marg_left + each_marg_left)+'px');*/
});