function setHeight()
	{
	var tallestcolumn = 45;
	// console.log(tallestcolumn);
	currentHeight = $('#mainContent').height() -550;
	//console.log($('#mainContent').height());
	if(currentHeight > tallestcolumn){tallestcolumn = currentHeight;};	
	$('#bottomMenu').css('margin-top',tallestcolumn);
	console.log(tallestcolumn);
	}

$(document).ready(function(){
	setHeight()
	});