function setShadowHeight() {
	var mainContainerDims = $('mainContainer').getDimensions();
	if($('leftShade'))
		$('leftShade').setStyle( { height: mainContainerDims.height+'px' } );
	if($('rightShade'))
		$('rightShade').setStyle( { height: mainContainerDims.height+'px' } );
}
function setRedLineHeight() {
	var rightColumns = $('mainContent').select('.rightColumn');
	for(var rc=0; rc<rightColumns.length; rc++ ) {
		dims = $(rightColumns[rc]).getDimensions();
		var leftBorders = $(rightColumns[rc]).select('.leftBorder');
		$(leftBorders[0]).setStyle( { height: dims.height+'px' } );
	}
}

function fixHeights() {
	setShadowHeight();
	setRedLineHeight();
}

document.observe('dom:loaded', function() { fixHeights(); });