function nc_change_img(nc_parent_link, small_img, large_img, img_width, img_height){ var nc_product_img = document.getElementById('nc_product_img'); var nc_link = nc_product_img.getElementsByTagName('A')[0]; var nc_img = nc_product_img.getElementsByTagName('IMG')[0]; nc_link_node = nc_parent_link.parentNode.getElementsByTagName('A'); for(var i=0; iscreen.width || (img_height+30)>screen.height ){ var scroll_on = 'yes'; var window_width = Math.floor(screen.width-10); var window_height = Math.floor(screen.height-100); var x_pos = 0; var y_pos = 0; }else{ var scroll_on = 'no'; var window_width = Math.floor(img_width+20); var window_height = Math.floor(img_height+20); var x_pos = Math.floor(screen.width/2-img_width/2); var y_pos = Math.floor(screen.height/2-img_height/2-40); } var nc_img_title = nc_parent_link.getElementsByTagName('IMG')[0].getAttribute('alt'); var nc_window_html = '' + nc_img_title + '\"''; nc_img_window = window.open('', '', 'height=' + window_height + ', width=' + window_width + ', location=no, scrollbars=' + scroll_on + ', status=no, menubar=no, toolbar=no, resizable=yes, top=' + y_pos + ', left=' + x_pos ); nc_img_window.document.write(nc_window_html); nc_img_window.document.close(); return false; }