jQuery.noConflict(); // Releases $ variable for use by other JS libraries
jQuery(document).ready(function($){

	var $col1 = $('#col1');
	var $col2 = $('#col2');
	var $col3 = $('#col3');
	var col3margin = parseInt($col3.css('margin-top'),10);
	
	if($col2.height() > $col1.height() && $col2.height() > ($col3.height() + col3margin)) {
		$col1.height( $col2.height() );
		$col3.height( $col2.height()-col3margin );
		
	} else if($col2.height() > ($col3.height() + col3margin)) {
		$col1.height( $col1.height() );
		$col3.height( $col1.height()-col3margin );
	} else {
		$col1.height( $col3.height() + col3margin );
		$col3.height( $col3.height() );
	}

});