function makeNumber(obj){
	obj.value = obj.value.replace(/,/, '.');
	if (/^\d*?$/.test(obj.value)) obj.defaultValue = obj.value;
	else obj.value = obj.defaultValue;
}


function russian_letters(obj){
	if (/^[À-ÿ ]*?$/.test(obj.value)) obj.defaultValue = obj.value;
	else obj.value = obj.defaultValue;
}

function numbers(obj){
	if (/^\d*?$/.test(obj.value)) obj.defaultValue = obj.value;
	else obj.value = obj.defaultValue;
}


function numbers_and_letters(obj){
	if (/^[0-9À-ÿ ]*?$/.test(obj.value)) obj.defaultValue = obj.value;
	else obj.value = obj.defaultValue;
}

function phone_22(obj){
	if (/^[0-9-() ]*?$/.test(obj.value)) obj.defaultValue = obj.value;
	else obj.value = obj.defaultValue;
}


function select_menu(id)
{
	if (document.getElementById(id).className != 'cat_selected')
	{
		document.getElementById(id).className='menu_selected';
	}
	document.getElementById('sub' + id).style.display='';
}

function unselect_menu(id)
{
	if (document.getElementById(id).className != 'cat_selected')
	{
		document.getElementById(id).className='menu_unselected';
	}
	document.getElementById('sub' + id).style.display='none';
}

//--------------------------------------------------------
function show_image_gallery(id)
{
	width = 800;
	height = 600;
	addr = 'show_images.php?id=' + id;
	win2 = open(addr,'win2','width='+width+',height='+height+',scrollbars=yes,menubar=no,toolbar=no,status=no');
}
//--------------------------------------------------------

function img_over(id)
{
	document.getElementById('img_'+id).style.border="1px solid #999";
}

function img_out(id)
{
	document.getElementById('img_'+id).style.border="1px solid #FFF";
}

function img_click(id, width, height)
{
	var img = document.getElementById('img_'+id).src;
	document.getElementById('main_image').src = img;
	
	if (width > height)
	{
		len = 400; 
		if (width < 400) len = width;
		document.getElementById('main_image').width = len;
		document.getElementById('main_image').height = Math.round(height * len / width);
		
	}
	else
	{
		len = 400; 
		if (height < 400) len = height;
		document.getElementById('main_image').height = len;
		document.getElementById('main_image').width = Math.round(width * len / height);
	}	
}


function mouse_over(object, url)
{
	object.src = url;
}

function mouse_out(object, url)
{
	object.src = url;
}