function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btn_pt_over = newImage("images/btn_pt-over.jpg");
		btn_noman_over = newImage("images/btn_noman-over.jpg");
		btn_blackfield_over = newImage("images/btn_blackfield-over.jpg");
		btn_bass_over = newImage("images/btn_bass-over.jpg");
		btn_iem_over = newImage("images/btn_iem-over.jpg");
		btn_headphone_over = newImage("images/btn_headphone-over.jpg");
		title_projects_btn_pt_over = newImage("images/title_projects-btn_pt_over.jpg");
		title_projects_btn_noman_over = newImage("images/title_projects-btn_noman_ov.jpg");
		title_projects_btn_blackfield_over = newImage("images/title_projects-btn_blackfie.jpg");
		title_projects_btn_bass_over = newImage("images/title_projects-btn_bass_ove.jpg");
		title_projects_btn_iem_over = newImage("images/title_projects-btn_iem_over.jpg");
		title_projects_btn_headphone_over = newImage("images/title_projects-btn_headphon.jpg");
		btn_guest_over = newImage("images/btn_guest-over.jpg");
		btn_discography_over = newImage("images/btn_discography-over.jpg");
		preloadFlag = true;
	}
}
function faqToggle(obj) {
	if (!document.getElementById(obj).style.display || document.getElementById(obj).style.display == "none") {
		document.getElementById(obj).style.display = "block";
	}
	else {
		document.getElementById(obj).style.display = "none";
	}
}