function setHomeHeight(){
if(!document.getElementById) return false;
	var elrm=	document.getElementById("container_middle");
	var rmhgt=document.documentElement.clientHeight-(250-80);
	elrm.style.height=(rmhgt)+"px";
}
function setJeugdHeight(){
	if(!document.getElementById("container_left")) return false;
	var contL=document.getElementById("container_left");
	var rmhgt=document.documentElement.clientHeight-(190-21);
	contL.style.height=(rmhgt)+"px";

	if(!document.getElementById("container_right")) return false;
	var contR=document.getElementById("container_right");
	var rmhgt=document.documentElement.clientHeight-(210);
	contR.style.height=(rmhgt)+"px";
	
	if(!document.getElementById) return false;
	var elrm=	document.getElementById("container_middle");
	//alert(element.clientHeight)
	var rmhgt=document.documentElement.clientHeight-(250-42);
	elrm.style.height=(rmhgt)+"px";
	
	var wit=	document.getElementById("platte_txt");
	var rmhgt=document.documentElement.clientHeight-(250+10);
	wit.style.height=Math.max(rmhgt,(wit.clientHeight-120))+"px";
	//alert(wit.clientHeight+" " +rmhgt);
	
	var balk=document.getElementById("balk");
	var rmhgt=document.documentElement.clientHeight-(30);
	balk.style.top=rmhgt+"px";
	//alert(rmhgt);
}