IE7 tin no solve the extremely adaptive

Prior apt the layout with DIV + CSS pages are not tested in IE7 where ,GHD Classic Straighteners, today,GHD Blue Butterfly 2011, my colleagues open network testing with IE7 ,GHD IV Salon Straighteners, div flood.
retard the internet to understand ,GHD, IE7 highly adjustable problems.
write to OK the

# content {
min-height: 500px;
height: auto; / * IE7 * /
_height: 500px; / * IE6 * /
display: table; / * firefox,GHD Red Straighteners, opera * /
}