function show(Num){
	if (document.all){
		//IE;
		document.all[("divnr_" + Num)].className = "show_div";
		return true;
	}
	if (document.getElementById){
		document.getElementById(("divnr_" + Num)).className = "show_div";
		return true;
	}
	return true;
}
function hide(Num){
	if (document.all){
		//IE;
		document.all[("divnr_" + Num)].className = "hide_div";
		return true;
	}
	if (document.getElementById){
		document.getElementById(("divnr_" + Num)).className = "hide_div";
		return true;
	}
	return true;
}

function show_hide(Num){
	if (document.all){
		//IE;
		if (document.all[("divnr_" + Num)].className == "hide_div") {
			document.all[("divnr_" + Num)].className = "show_div";
		} else {document.all[("divnr_" + Num)].className = "hide_div";}
		return true;
	}
	if (document.getElementById){
		if (document.getElementById(("divnr_" + Num)).className == "hide_div") {
			document.getElementById(("divnr_" + Num)).className = "show_div";
		} else {document.getElementById(("divnr_" + Num)).className = "hide_div";}
		return true;
	}
	return true;
}