function fontplus(increase){
	jQuery('.article-text').each(function(k,v){
	
		old = parseInt($(this).css('font-size'));
	
		if( increase > 0 && old >= 40)
			return false;
		
		if( increase < 0 && old <= 13)
			return false;
		
		zeed = increase;
		
		$(this).css('font-size', old + zeed);
		$(this).css('line-height', (old + zeed + 4)+'px'); //'/' 422
		$(this).children('p').css('line-height', (old + zeed + 4)+'px'); //'/' 422
		$(this).find('*').not('#print_menu *').css('font-size', old + zeed );
	});

}