function show_comment(id_message) {
	if(document.getElementById('comment_'+id_message).style.display == "block"){
		document.getElementById('comment_'+id_message).style.display = 'none';
	}
	else{
		document.getElementById('comment_'+id_message).style.display = 'block';
		document.getElementById('comment_comment_'+id_message).style.height = "12px";
	}
}

function resize(id_message) {
	StrLen = document.commentform.comment.value.length;
	if(StrLen%90 == 0 && StrLen != 0){
		height = document.getElementById('comment_comment_'+id_message).style.height;
		
		var LaengeSuchText = 2;
		var LaengeErsatzText = 0;
		var Pos = height.indexOf("px", 0);

		while (Pos >= 0)
		{
			height = height.substring(0, Pos) + "" + height.substring(Pos + LaengeSuchText);
			Pos = height.indexOf("px", Pos + LaengeErsatzText);
		}
		var newheight = Number(height)+14;
		document.getElementById('comment_comment_'+id_message).style.height = newheight+"px";
	}
}