#content_top_left, #content_top_right1, #content_top_right2 {
	background-repeat:no-repeat;
	background-position:0px 0px;
}

#content_top_left {
	background-image:url(http://www.rotobec.com/es/images/banners/img_tl_comb.jpg);
}
#content_top_right1{
	background-image:url(http://www.rotobec.com/es/images/banners/img_tr_waste.jpg);
}

#content_top_right2{
	background-image:url(http://www.rotobec.com/es/images/banners/img_tr_elite_rail.jpg);
}