//main menu

function menuOver(el1,el2) {

	var r = document.getElementById(el1);

	var k = document.getElementById(el2);

	if (r.style.display = 'none')(k.getAttribute("className") == "kn_v")

		{ r.style.display = 'block'; k.style.display = 'none'; }

}

function menuOut(el1,el2) {

	var r = document.getElementById(el1);

	var k = document.getElementById(el2);

	if (r.style.display = 'block')(k.getAttribute("className") == "kn_h")

		{ r.style.display = 'none'; k.style.display = ''; }

}



//catalog

function catOver(el1,el2) {

	var r = document.getElementById(el1);

	var p = document.getElementById(el2);

	if (r.style.display = 'none')

		{ r.style.display = 'block'; p.setAttribute("src","/img/minus.gif"); }

}



function catOut(el1,el2) {

	var r = document.getElementById(el1);

	var p = document.getElementById(el2);

	if (r.style.display = 'block')

		{ r.style.display = 'none'; p.setAttribute("src","/img/plus.gif"); }

}



function pp()
{
	var r = document.getElementById("ar");
	if(r.style.visibility = 'visible')
	{
		r.style.visibility = 'hidden';
		return;
	}
}
function pp2()
{
	var r = document.getElementById("ar");
	if(r.style.visibility = 'hidden')
	{
		r.style.visibility = 'visible';
		return;
	}
}