// Nealco Equipment
function hideShow(elem, state) {
	var obj = document.getElementById(elem);
	switch (state) {
		case 0:
			obj.className="hidden";
			break; //manual - 0 to hide
		case 1:
			obj.className="visible";
			break; //manual - 1 to show
		default:
			obj.className=(obj.className=="visible") ? "hidden" : "visible";
			break; //auto
	}
}

function swap(img) {
	img.src = (img.src.indexOf("off") >= 0) ? "images/"+img.name+"-on.gif" : "images/"+img.name+"-off.gif";
}

function popUp(url,w,h) {
	open("http://www.nealcoequipment.com/"+url,"","width="+w+",height="+h+",status=yes,scrollbars=yes,scrolling=no,toolbar=no,menubar=no,location=no,resizable=yes");
}

function metric() {
	obj = document.getElementsByTagName("span");
	for (i = 0; i < obj.length; i++) {
		if (obj[i].className == "metric") {
			obj[i].style.display = (obj[i].style.display == "inline") ? "none" : "inline";
			document.getElementById("article_options_metric").innerHTML = (obj[i].style.display == "inline") ? "Hide Metric Units" : "Show Metric Units";
		}
	}
}