function v_resize_window()
{
	v_sizes_name = "item_details_sizes";
	v_sizes = eval("document.images['"+v_sizes_name+"']");
	if(v_sizes)
	{
		window.resizeTo((v_sizes.width)+29, (v_sizes.height)+400, "scrollbars=0");
	}
}

function on(a){
	document.getElementById('mn_'+a).className='mn_a';
}
function off(a){
	document.getElementById('mn_'+a).className='mn';
}

function chIMG(obj,k){
	s=obj.src;
	n=s.lastIndexOf(".");
	document.getElementById("img_big").src=s.substring(0,n-1)+s.substring(n,s.length);
}