var sw = screen.width;
switch(true) {
case(sw<1024):
menu_offset = '63';
menu_height = '47';
menun_height = '41';
document.write('');
break;
case(sw>=1024 && sw<1280):
menu_offset = '82';
menu_height = '68';
menun_height = '60';
document.write('');
break;
case(sw>=1280 && sw<1400):
menu_offset = '102';
menu_height = '75';
menun_height = '65';
document.write('');
break;
case(sw>=1400):
menu_offset = '111';
menu_height = '82';
menun_height = '71';
document.write('');
break;
}