//document-ready
$(document).ready(function() {
	/* main navigation */
	var site_width 		= $('#main_navi').outerWidth();
	var nav_but_width = 0;
	var nav_counter		= 1;
	var nav_anz				= $("#main_navi div").length;
	var nav_spaces_anz= (nav_anz*2)-2;
	
	$("#main_navi div").each(function() {
		nav_but_width = nav_but_width + $(this).outerWidth();
	});
	
	var nav_but_space = Math.round((site_width - nav_but_width) / nav_spaces_anz);
	
	$("#main_navi div").each(function() {
		if(nav_counter==1) {
			$(this).css("padding-right",nav_but_space+"px");
		}else if(nav_counter!=nav_anz) {
			$(this).css("padding","0 "+nav_but_space+"px");
		}
		nav_counter++;
	});
});

// Focus first form element
jQuery.fn.focusFirst = function() {
  var elem = $(":input:visible:enabled").not("[@readonly]").get(0);
	elem.focus();
}