function showLong(elmid) {
	
	var myElmId = elmid.replace("btn_","");
	if(document.getElementById("content_"+myElmId).style.display=="block") {
		
		document.getElementById("btn_"+myElmId).innerHTML="+ læs mere";
		document.getElementById("content_"+myElmId).style.display="none";
	} else {
		document.getElementById("btn_"+myElmId).innerHTML="- skjul";
		document.getElementById("content_"+myElmId).style.display="block";
	}
	
}