$(document).ready(function() {
   	promoheight=100;
	if($('#homecol1').height() > promoheight){
		promoheight = $('#homecol1').height();
	}
	if($('#homecol2').height() > promoheight){
		promoheight = $('#homecol2').height();
	}
	if($('#homecol3').height() > promoheight){
		promoheight = $('#homecol3').height();
	}

	$('.homebottomcol').height(promoheight);
});