$(document).ready(function(){
	
	//navigation-highlight-control
	var bodyClass = $('body').attr('class');
	
	//if IE6 do nothing
	jQuery.each(jQuery.browser, function(i, val) {
  		if( i != "msie" && jQuery.browser.version.substr(0,3) != "6.0" ){
      
			//if not home, do it - there is no home-navi-image
			if(bodyClass != 'home'){ 
				var imgname_lo = $('#navigation img.' + bodyClass).attr('src');
				var imgname_hi = imgname_lo.substr(0,imgname_lo.length - 6)+'hi.png';
				$('#navigation img.' + bodyClass).attr('src',imgname_hi);
			}
	
			//navigation-image-swap
			$('#navigation img').hover(function(){
					var imgname_lo = $(this).attr('src');
					var imgname_hi = imgname_lo.substr(0,imgname_lo.length - 6)+'hi.png';
					
					$(this).attr('src',imgname_hi);
				},
				function(){
					var bodyClass = $('body').attr('class');
				
					if($(this).attr('class') != bodyClass){
					var imgname_hi = $(this).attr('src');
					var imgname_lo = imgname_hi.substr(0,imgname_hi.length - 6)+'lo.png';
					
					$(this).attr('src',imgname_lo);
					}
			});
		}
	});
});