function rollOn(num) {
	document.getElementById('rc' + num).className='roll vis';
	document.getElementById('i' + num).src='img/menu/menu-on-0' + num + '.gif';
}
function rollOff(num) {
	document.getElementById('rc' + num).className='roll hid';
	document.getElementById('i' + num).src='img/menu/menu-off-0' + num + '.gif';
}

               function ImgShw(ID, width, height, alt)
               {
                    var scroll = "no";
                    var top=0, left=0;
                    if(width > screen.width-10 || height > screen.height-28) scroll = "yes";
                    if(height < screen.height-28) top = Math.floor((screen.height - height)/2-14);
                    if(width < screen.width-10) left = Math.floor((screen.width - width)/2-5);
                    width = Math.min(width, screen.width-10);
                    height = Math.min(height, screen.height-28);
                    var wnd = window.open("","","scrollbars="+scroll+",resizable=yes,width="+width+",height="+height+",left="+left+",top="+top);
                    wnd.document.write("<html><head>\n");
                    wnd.document.write("<"+"script language='JavaScript'>\n");
                    wnd.document.write("<!--\n");
                    wnd.document.write("function KeyPress()\n");
                    wnd.document.write("{\n");
                    wnd.document.write("     if(window.event.keyCode == 27)\n");
                    wnd.document.write("          window.close();\n");
                    wnd.document.write("}\n");
                    wnd.document.write("//-->\n");
                    wnd.document.write("</"+"script>\n");
                    wnd.document.write("<title>"+(alt == ""? "Картинка":alt)+"</title></head>\n");
                    wnd.document.write("<body topmargin=\"0\" leftmargin=\"0\" marginwidth=\"0\" marginheight=\"0\" onKeyPress=\"KeyPress()\">\n");
                    wnd.document.write("<img src=\""+ID+"\" border=\"0\" alt=\""+alt+"\">");
                    wnd.document.write("</body>");
                    wnd.document.write("</html>");
                    wnd.document.close();
               }
