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

$(window).resize(function(){
    setContentHeight();
});

    /* adjust the content height so it will fit the entire screen (length) */
    function setContentHeight(){
        
            if($('#ctleft').height() > $('#ctright').height()){
                minheight = $('#ctleft').height();
            }else{
                minheight = $('#ctright').height();
            }
        $('#wrapper').height($(window).height());
        height = $('#wrapper').height() - $('#header').height() - $('#menu').height() - $('#footer').height();
            if(height > minheight){
                $('#content').height(height+14); /** 14 from a negative margin **/
            }
    }