function $(obj) { return document.getElementById(obj); }

function setHomeContainerHeight()
{
	var h1 = $("startContainer1").offsetHeight;
	var h2 = $("startContainer2").offsetHeight;
	var h3 = $("startContainer3").offsetHeight;
	
	var h = 0;
	
	if(h1< h2 || h1< h3) { if(h2 < h3) { h = h3; } else { h = h2; } } else { h = h1; }
	
	$("startContainer1").style.height = h+"px";
	$("startContainer2").style.height = h+"px";
	$("startContainer3").style.height = h+"px";
	$("Navigation").style.height = h+40+"px";
	
}

 function setContentContainerHeight()
{
	$('mainContainer1').style.height = "auto";
	var hContent = $("mainContainer1").offsetHeight;
	if($("mainContainer2")) {
		var hContent2 = $("mainContainer2").offsetHeight;
		var hContent = (hContent>hContent2)?hContent:hContent2;
	}
	
	var hBorder = $("border").offsetHeight;
	var defaultHeight = 488;
	
	if(hContent > defaultHeight) { defaultHeight = hContent; }
	
	$("border").style.height = defaultHeight+12+"px";
	$("mainContainer1").style.height = defaultHeight+"px";
	$("Navigation").style.height = defaultHeight+3+"px";
	
}

window.onload = function()
{
	if($("startContainer1")) setHomeContainerHeight();
	if($("mainContainer1")) setContentContainerHeight();
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function payment() {
	if($('rechnungCheck').checked) {
		$('rechnung').style.display = "block";
	} else {
		$('rechnung').style.display = "none";
	}
}