function img1(name) {
	 img=new Image();
     img.src = '/i/'+name+'.gif';
	 document.images[name].src=img.src;
}

function img2(name) {
	 img=new Image();
     img.src = '/i/'+name+'b.gif';
	 document.images[name].src=img.src;
}

function dbl(t) {
	if(t.dlg_clicked)
		return false;
	t.dlg_clicked=true;
	return true;
}

function ch_b_show(id) {
	document.getElementById("top_menu_b"+id+"_l").style.visibility="visible";
	document.getElementById("top_menu_b"+id+"_r").style.visibility="visible";
	document.getElementById("top_menu_b"+id+"_c").style.background="url(/i/top_menu_h2.gif)";
}

function ch_b_hidden(id) {
	document.getElementById("top_menu_b"+id+"_l").style.visibility="hidden";
	document.getElementById("top_menu_b"+id+"_r").style.visibility="hidden";
	document.getElementById("top_menu_b"+id+"_c").style.background="none";
}