var oldMain = -1;
var oldSub = -1;

function getChild(categoryId)
{
	clearOldMain(categoryId);
	
	document.getElementById("subMenu").innerHTML = document.getElementById(categoryId).innerHTML;
	window.parent.document.getElementById("menuFrame").height = document.body.scrollHeight;
	window.parent.document.getElementById("itemFrame").height = 375 - document.body.scrollHeight;
	
	var sam = document.getElementById("cat" + categoryId);
	nav(document.getElementById("cat" + categoryId).lang);
	clearOldSub(document.getElementById("cat" + categoryId).lang);	
}

function nav(categoryId)
{
	window.parent.document.getElementById("itemFrame").src = "nw_main.php?vendor=" + vendorId + "&category=" + categoryId;
}

function clearSub()
{
	document.getElementById("subMenu").innerHTML = "";
	window.parent.document.getElementById("menuFrame").height = document.body.scrollHeight;
	window.parent.document.getElementById("itemFrame").height = 375 - document.body.scrollHeight;
}

function clearOldSub(categoryId)
{
	if(oldSub != -1)
		document.getElementById("cat" + oldSub).style.backgroundColor = "#FFFF99";
	oldSub = categoryId;
	document.getElementById("cat" + categoryId).style.backgroundColor = "#99CCFF";
}

function clearOldMain(categoryId)
{
	if(oldMain != -1)
	{	
		document.getElementById("cat" + oldMain).style.backgroundColor = "#B2D89D";
		document.getElementById("cat" + oldMain).style.color = "#000000";
	}
	oldMain = categoryId;
	document.getElementById("cat" + categoryId).style.backgroundColor = "#051B4A";
	document.getElementById("cat" + categoryId).style.color = "#FFFFFF";
}

function onOver(categoryId)
{
	document.getElementById("cat" + categoryId).style.textDecoration = "underline";	
}

function onOut(categoryId)
{
	document.getElementById("cat" + categoryId).style.textDecoration = "none";
}