window.addEvent('domready', function() {
	var equalColumns = function(divs) {
		var height = 0;
		divs.each(function(e){
			if (e.offsetHeight > height){
				height = e.offsetHeight;
			}
		});

		divs.each( function(e){
			e.setStyle( 'height', height + 'px' );
				if(e.offsetHeight > height) {
					e.setStyle( 'height', (height - (e.offsetHeight - height)) + 'px' );
				}
		});
	}
	if($chk($('BoxStyle_4'))) {
		equalColumns([$('BoxStyle_4'), $('BoxStyle_5'), $('BoxStyle_6')]);
	}
})