Event.observe(window, 'load', function() {
	if($('tmenu_1')) {
		Event.observe($('tmenu_1'), 'mouseover', function() {$('tmenu_1').src="img/topmenu/menu1_on.jpg";});
		Event.observe($('tmenu_1'), 'mouseout', function() {$('tmenu_1').src="img/topmenu/menu1_off.jpg";});
	}
	if($('tmenu_2')) {
		Event.observe($('tmenu_2'), 'mouseover', function() {$('tmenu_2').src="img/topmenu/menu2_on.jpg";});
		Event.observe($('tmenu_2'), 'mouseout', function() {$('tmenu_2').src="img/topmenu/menu2_off.jpg";});
	}
	if($('tmenu_3')) {
		Event.observe($('tmenu_3'), 'mouseover', function() {$('tmenu_3').src="img/topmenu/menu3_on.jpg";});
		Event.observe($('tmenu_3'), 'mouseout', function() {$('tmenu_3').src="img/topmenu/menu3_off.jpg";});
	}
	if($('tmenu_4')) {
		Event.observe($('tmenu_4'), 'mouseover', function() {$('tmenu_4').src="img/topmenu/menu4_on.jpg";});
		Event.observe($('tmenu_4'), 'mouseout', function() {$('tmenu_4').src="img/topmenu/menu4_off.jpg";});
	}
	if($('tmenu_5')) {
		Event.observe($('tmenu_5'), 'mouseover', function() {$('tmenu_5').src="img/topmenu/menu5_on.jpg";});
		Event.observe($('tmenu_5'), 'mouseout', function() {$('tmenu_5').src="img/topmenu/menu5_off.jpg";});
	}
}); 
function checkForm(evnt)
{
	if(evnt=="focus")
	{
		if($('search').className=="search_def")
		{
			$('search').value="";
			$('search').className="search_focus";
		}
	}
	else
	{
		if($('search').className=="search_focus" && $('search').value=="")
		{
			$('search').className="search_def";
			$('search').value="введите ключевую фразу";
		}
	}
}