var is_ns6 = false;
var is_moz = false;
var is_ie6 = false;
var is_ie5 = false;
var is_mac = false;

var headerframeHeight = 137;

function resizeScrollableDiv(type) {
    //Hoogte van de browser
    var myWidth = 0, myHeight = 0;

    // Gebruikte browser checks.
    if(typeof( window.innerWidth ) == 'number' ) {
        is_moz = true;
        if (navigator.userAgent.indexOf("Netscape")!= -1) {
            is_ns6 = true;
        }
    } else  {
        if (navigator.userAgent.indexOf("MSIE 5")!= -1) {
            is_ie5 = true;
        } else {
            is_ie6 = true;
        }
        if (navigator.userAgent.indexOf("Mac")!= -1) {
            is_mac = true;
        }
    }

    if(is_moz) {
        //Non-IE
        myHeight = window.innerHeight;
        var div = document.getElementById('contentframe');
        if (div) {
            div.style.height = (myHeight - headerframeHeight) + 'px';
        }
    } else if (is_ie6) {
        myHeight = document.body.clientHeight;
        var div = document.getElementById('contentframe');
        if (div) {
            div.style.height = (myHeight - headerframeHeight) + 'px';
        }
    } else if (is_ie5) {
        myHeight = document.body.clientHeight;
        var div = document.getElementById('contentframe');
        if (div) {
            div.style.height = (myHeight - headerframeHeight) + 'px';
        }
    }
}