menu1on=new Image;
menu1on.src="images/megrendelem_on.gif";
menu1off=new Image;
menu1off.src="images/megrendelem.gif";

menu2on=new Image;
menu2on.src="images/m_megoldasok_on.gif";
menu2off=new Image;
menu2off.src="images/m_megoldasok.gif";

menu3on=new Image;
menu3on.src="images/m_termekek_on.gif";
menu3off=new Image;
menu3off.src="images/m_termekek.gif";

menu4on=new Image;
menu4on.src="images/m_magunkrol_on.gif";
menu4off=new Image;
menu4off.src="images/m_magunkrol.gif";

menu5on=new Image;
menu5on.src="images/m_dijszabas_on.gif";
menu5off=new Image;
menu5off.src="images/m_dijszabas.gif";

menu6on=new Image;
menu6on.src="images/m_ugyfelszolgalat_on.gif";
menu6off=new Image;
menu6off.src="images/m_ugyfelszolgalat.gif";

menu7on=new Image;
menu7on.src="images/m_kapcsolat_on.gif";
menu7off=new Image;
menu7off.src="images/m_kapcsolat.gif";

function act(imgName)
{
    imgOn = eval(imgName + "on.src");
    document [imgName].src = imgOn;
}
function inact(imgName)
{
    imgOff = eval(imgName + "off.src");
    document [imgName].src = imgOff;
}

function show(arg){
	document.getElementById(arg).style.display = "block";
}

function hide(arg){
	document.getElementById(arg).style.display = "none";
}

function show_elony(arg){
	document.getElementById(arg).style.visibility = "visible";
}

function hide_elony(arg){
	document.getElementById(arg).style.visibility = "hidden";
}