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;
}

function show_new_div(Num){
	if (document.all){
		document.all[("divnr_1")].className = "hide_div";
		document.all[("divnr_2")].className = "hide_div";
		document.all[("divnr_3")].className = "hide_div";
		document.all[("divnr_4")].className = "hide_div";
		document.all[("divnr_" + Num)].className = "show_div";
		return true;
	}
	if (document.getElementById){
		document.getElementById(("divnr_1")).className = "hide_div";
		document.getElementById(("divnr_2")).className = "hide_div";
		document.getElementById(("divnr_3")).className = "hide_div";
		document.getElementById(("divnr_4")).className = "hide_div";
		document.getElementById(("divnr_" + Num)).className = "show_div";
		return true;
	}
	return true;
}

function showDivStarter(Num){
	show_new_div(Num);
}

function showSubMenu(Num){
	if (document.all){
		document.all[("divnr_31")].className = "hide_div";
		document.all[("divnr_32")].className = "hide_div";
		document.all[("divnr_33")].className = "hide_div";		
		document.all[("divnr_" + Num)].className = "portfolio";
		return true;
	}
	if (document.getElementById){
		document.getElementById(("divnr_31")).className = "hide_div";
		document.getElementById(("divnr_32")).className = "hide_div";
		document.getElementById(("divnr_33")).className = "hide_div";
		document.getElementById(("divnr_" + Num)).className = "portfolio";
		return true;
	}
	return true;
}