// JavaScript Document
function getWindowHeight(win)
{
    if (win == undefined)
        win = window;
    if (win.innerHeight) {
        return win.innerHeight;
    } else {
        if (win.document.documentElement 
                && win.document.documentElement.clientHeight) 
        {
            return win.document.documentElement.clientHeight;
        }
        return win.document.body.offsetHeight;
    }
}
function getWindowWidth(win)
{
    if (win == undefined)
        win = window;
    if (win.innerWidth) {
        return win.innerWidth;
    } else {
        if (win.document.documentElement 
                && win.document.documentElement.clientWidth) 
        {
            return win.document.documentElement.clientWidth;
        }
        return win.document.body.offsetWidth;
    }
}
function Hoehe(){
	var Height = getWindowHeight() - 130;
	var Width = getWindowWidth();
	var test = document.getElementById('mitte');		
	document.getElementById('htmlbody').style.height = '100%';
	if(Height<=460){
		Height = 460;
		document.getElementById('htmlbody').style.height = '590px';
	}
	test.style.height = Height +'px';

	if(Width<1028){
		test.style.margin =0 ;
		test.style.width = 570 + 'px';
		return;
	}
	
	test.style.width = 'auto';
	test.style.marginRight =253+'px' ;
}

function allesweg() {
	document.getElementById('wittmann').style.display='none';
	document.getElementById('haeusel').style.display='none';
	document.getElementById('rotthowe').style.display='none';
	document.getElementById('vmi').style.display='none';
}

function einblenden(wasdenn) {
 if(document.getElementById(wasdenn).style.display=='none') {
  	document.getElementById(wasdenn).style.display='block';
 } else {
	document.getElementById(wasdenn).style.display='none';
}
} 



function allesweg2() {
	document.getElementById('buecher').style.display='none';
	document.getElementById('studien').style.display='none';
	document.getElementById('presse').style.display='none';
	document.getElementById('vortraege').style.display='none';
}

function einblenden2(wasdenn,button) {
 if(document.getElementById(wasdenn).style.display=='none') {
  	allesweg2();
	document.getElementById(wasdenn).style.display='block';
 } else {
	document.getElementById(wasdenn).style.display='none';
}
}