function MenuHome(){
    document.getElementById('content').innerHTML = '<iframe src="html/home.htm" width="400px" height="340px" frameborder="0">';
}
function MenuWie() {
    document.getElementById('content').innerHTML = '<iframe src="html/wie.htm" width="400px" height="340px" frameborder="0">';
}
function MenuWat() {
    document.getElementById('content').innerHTML = '<iframe src="html/wat.htm" width="400px" height="340px" frameborder="0">';
}
function MenuSysteemontwikkeling() {
    document.getElementById('content').innerHTML = '<iframe src="html/systeemontwikkeling.htm" width="400px" height="340px" frameborder="0">';
}
function MenuInfo() {
    document.getElementById('content').innerHTML = '<iframe src="html/info.htm" width="400px" height="340px" frameborder="0">';
}
function MenuDetachering() {
    document.getElementById('content').innerHTML = '<iframe src="html/detachering.htm" width="400px" height="340px" frameborder="0">';
}
function MenuOutsourcen() {
    document.getElementById('content').innerHTML = '<iframe src="html/outsourcen.htm" width="400px" height="340px" frameborder="0">';
}
function MenuRelaties() {
    document.getElementById('content').innerHTML = '<iframe src="html/relaties.htm" width="400px" height="340px" frameborder="0">';
}
function MenuContact() {
    document.getElementById('content').innerHTML = '<iframe src="contact.aspx" width="400px" height="340px" frameborder="0">';
}