// check file name and highlight if it matches a link

	var file_name = location.href
	// get rid of query string
	if (file_name.indexOf('?')!= -1)
	{
			var query = true
			var ques_loc = file_name.indexOf('?')
			var query_string = file_name.substring(ques_loc, file_name.length)
			file_name=file_name.substring(0,ques_loc)
	}
	
	// get rid of bookmarks
	if (file_name.indexOf('#')!= -1)
	{
			var bm = true
			var bm_loc = file_name.indexOf('#')
			var bookmark = file_name.substring(bm_loc, file_name.length)
			file_name=file_name.substring(0,bm_loc)
	}
	
	// loop through all the links
	for (check_links = 0; check_links < document.links.length; check_links++) 
	{
		
		var link_name = document.links[check_links].href	
		// highlight link if it matches filename
		// exclude nn4 and others
			if(document.getElementById)
			{
				if (link_name == file_name)
					document.links[check_links].style.backgroundColor='#D8C793';
					
			}
	}