function get(id) {
	return document.getElementById(id);	
}

function swapImg(id, dest) {
	get(id).src = dest;
}

function activate(img) {
	img.src = img.src.replace('_off.','_on.');
}

function deactivate(img) {
	img.src = img.src.replace('_on.','_off.');
}

var pf = mda(8,2);

function setPfTxt(pfid) {
	var pfName = pf[pfid][0];
	var pfDesc = pf[pfid][1];
	var pfImg = pfName.replace(/\s/gi,'-') + ".gif";
	get("pfdesc-h").className = "hidden";
	get("pfdesc-i").src = "/images/" + pfImg;
	get("pfdesc-i").alt = pfName;
	get("pfdesc-l").className = "";
	get("pfdesc-b").innerHTML = pfDesc;
}

function mda(iRows,iCols)
{
	var i;
	var j;
	var a = new Array(iRows);
	for (i=0; i < iRows; i++)
	{
		a[i] = new Array(iCols);
		for (j=0; j < iCols; j++)
		{
		   a[i][j] = "";
		}
	}
	return(a);
}