function toggle_faq(obj) {
	var open_img	= "includes/images/open.gif";
	var close_img	= "includes/images/close.gif";
	var url_string	= location.protocol + "//" + location.hostname + "/";
	var img = document.getElementById(obj.img_id);
	var row = document.getElementById(obj.answer);
	if(row.style.display != "block") {
		//row.style.height = "auto";
		row.style.display = "block";
		if(img.src != (url_string + close_img)) {
			img.src	= url_string + close_img;
            img.alt = "-";

		}
	} else {
		row.style.display = "none";
		//row.style.height = "0px";
		if(img.src != (url_string + open_img)) {
			img.src	= url_string + open_img;
			img.alt = "+";
		}
	}
};
function hide_faqs(obj) {
	for(i=0;i<document.images.length;i++) {
		if(document.images[i].className == obj.className[0]) {
			document.images[i].src = obj.src;
            document.images[i].alt = "[_]";
		}
	}
	var tables = document.getElementsByTagName("table");
	for(i=0;i<tables.length;i++) {
		if(tables[i].className == obj.className[1]) {
			var t = tables[i];
			var rows = t.getElementsByTagName("td");
			for(j=0;j<rows.length;j++) {
				if(rows[j].className == obj.className[2]) {
					rows[j].style.display = "none";
				}
			}
		}
	}
};