$(function() {
$('.home-greyrounded,.home-productrange,.product-nav,.distributors-dropdown,.pic-square,.form-input, .form-producttable-input, .form-textarea,.blok-green,.blok-green-results,.blok-green-page')
       .prepend('<div class="tl cornerimg"></div><div class="rl cornerimg"></div>')
       .append('<div class="bl cornerimg"></div><div class="br cornerimg"></div>').css('position', 'relative');
});