function getWindowHeight()
{
	var myHeight = 0;
    var myWidth = 0 ;
	if (typeof(window.innerHeight) == 'number')
	{
		//Non-IE
        myHeight = window.innerHeight;
        myWidth = window.innerWidth;
	}
	else
	{
		if (document.documentElement && document.documentElement.clientHeight)
		{
			//IE 6+ in 'standards compliant mode'
            myHeight = document.documentElement.clientHeight;
            myWidth = document.documentElement.clientWidth;
		}
		else
		{
			if (document.body && document.body.clientHeight)
			{
				//IE 4 compatible
                myHeight = document.body.clientHeight;
                myWidth = document.body.clientWidth;
			}
		}
	}
    minus = 295;
	hoogte_content = document.getElementById('content_inner').scrollHeight;
    if (hoogte_content < myHeight-minus)
    {
      document.getElementById('content_inner').style.height = (myHeight-minus) + 'px';
    }
    spaceLeftSide = (myWidth - 1000) / 2;
    document.getElementById('outerwrap').style.marginLeft = spaceLeftSide +'px';
}

window.onresize = getWindowHeight;