function Toggle(item) {	
	obj = document.getElementById(item);
	visible = (obj.style.display != "none")
	key = document.getElementById("x" + item);
	
	if (visible) {
		obj.style.display = "none";
		key.innerHTML = "<img src='img/menu/plus.gif' width='9' height='9' hspace='0' vspace='0' border='0'> ";
		calc_off();
	} else {
		obj.style.display = "block";
		key.innerHTML = "<img src='img/menu/minus.gif' width='9' height='9' hspace='0' vspace='0' border='0'> ";
		calc_on();
	}
}

function Product(item) {	
	obj = document.getElementById(item);
	visible = (obj.style.display != "none")
	key = document.getElementById("x" + item);
	
	if (visible) {
		obj.style.display = "none";
		key.innerHTML = "<img src='img/menu/plus.gif' width='10' height='10' hspace='0' vspace='0' border='0'> ";
		calc_off();
	} else {
		obj.style.display = "block";
		key.innerHTML = "<img src='img/menu/minus.gif' width='10' height='10' hspace='0' vspace='0' border='0'> ";
		calc_on();
	}
}

function calc_on() {
	var x1 = document.getElementById("wl").offsetHeight;
	var x2 = document.getElementById("product").offsetHeight;
	var z1 = x2 + 10;
	
	if(x1 < x2 ) {
		document.getElementById("wl").style.height = z1+'px';
		document.getElementById("wc").style.height = z1+'px';
	} else {
		document.getElementById("wl").style.height = x1+'px';
		document.getElementById("wc").style.height = x1+'px';
	}
}

function calc_off() {	
	var y1 = document.getElementById("wl").offsetHeight;
	var y2 = document.getElementById("product").offsetHeight;
	var z2 = y2 + 10;
		
	if(h1 < h2 ) {
		document.getElementById("wl").style.height = z2+'px';
		document.getElementById("wc").style.height = z2+'px';
	} else {
		document.getElementById("wl").style.height = y1+'px';
		document.getElementById("wc").style.height = y1+'px';
	}
}