function getHeight() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return myHeight;
} 

function resize() {                               
    var height = getHeight();    
    
    if ( document.getElementById('leftbar') )  
	document.getElementById('leftbar').style.height = height - parseInt(113);
    if ( document.getElementById('uitgaven_iframe') )  
    	document.getElementById('uitgaven_iframe').style.height = height - parseInt(190);
    if ( document.getElementById('studiehulp_iframe') )  
	document.getElementById('studiehulp_iframe').style.height = height - parseInt(190);
}