function getWindowHeight() {
    
    var windowHeight=0;

    if (typeof(window.innerHeight)=='number') {
        
        windowHeight=window.innerHeight;

    } else {

        if (document.documentElement&& document.documentElement.clientHeight) {

            windowHeight = document.documentElement.clientHeight;
            
        } else if (document.body&&document.body.clientHeight) {

                windowHeight=document.body.clientHeight;

        }

    }
    
    return windowHeight;
    
}

function setContentHeight() {

    var windowHeight = getWindowHeight() - 145;

    document.getElementById('content').style.minHeight = ''+windowHeight+'px';
    
}