// JavaScript Document


function unten(){
	document.getElementById("footer").style.bottom = 0;
}

function anfang() {
    document.getElementById("main").scrollTop=0;
}

//function resize(){
//	document.getElementById("main").style.height = document.getElementsByTagName("body")[0].offsetHeight + "px";
//} 

function resize(){  
	var main = document.getElementById("main");  
	var htmlheight = document.body.parentNode.scrollHeight;  
	var windowheight = window.innerHeight;  
	if ( htmlheight < windowheight ) { document.body.style.height = windowheight -16 + "px"; main.style.height = windowheight -16 + "px"; }  
	else { document.body.style.height = htmlheight + "px"; main.style.height = htmlheight + "px"; }  
}