function toggle(togglewhat) {
	var dropdown = document.getElementById(togglewhat);
	if(dropdown.style.display == 'block') { dropdown.style.display = 'none'; }
	else { dropdown.style.display = 'block'; }
	return false;
}
/*** script to randomize header images on spa overview & full specs pages ***/
function writeSpaHeader(section) {
	var num = Math.random()*5;
	if(section == 3) { num = Math.random()*6; }
	else if(section == 4.6) { section = 4; num = num * 0.8; }
	num = Math.ceil(num);
	document.write('<img src="../images/j-'+section+'00/hdr-'+section+'00-overview-'+num+'.jpg" />');
}

/*** script for rollovers on J-400/300/200 landing pages ***/
function rollovers() {
	$("ul#roll a").click(function(){
		return false;
	});
	$("ul#roll a").mouseover(function(){
		$("ul#roll a[@class='on']").removeClass();
		$(this).attr("class","on");
		$("img#thm").attr("src",$(this).attr("href"));
	});
}

function goto_URL(object) {
    window.location.href = object.options[object.selectedIndex].value;
}

function resizeFrame() {
	var frameid = $("iframe").attr("id");
	var frame = document.getElementById(frameid);
	if (frame.contentDocument && frame.contentDocument.body.offsetHeight) //ns6 syntax
	frame.height = frame.contentDocument.body.offsetHeight+20; 
	else if (frame.Document && frame.Document.body.scrollHeight) //ie5+ syntax
	frame.height = frame.Document.body.scrollHeight;
}

function goGalleryImg(number) {
	number = parseInt(number);
	// set the '# of #' text
	$("span").html(number+" of "+numOfThms);
	// set the Prev & Next links
	pNum = number - 1;
	nNum = number + 1;
	if(pNum ==0) { pNum = 12; }
	if(nNum ==13) { nNum = 1; }
	
	var newSrc = "../images/" + thisGallery + "/gallery-" + number + "-lrg.jpg";
	var oldImg = document.getElementById('singleImg');
	var oldExtent = { x: oldImg.width, y: oldImg.height };
	oldImg.src = '../includes/transparent.gif';
	oldImg.width = oldExtent.x;
	oldImg.height = oldExtent.y;
	$("#footer p").empty();
	var newImg = document.createElement('img');
	newImg.id = oldImg.id;
	newImg.onload = function(){	
		if(oldImg.parentNode) { oldImg.parentNode.replaceChild(newImg, oldImg); }
		var imgText = $("#gallery a:eq("+(number-1)+")").children().attr("title");
		$("#footer p").html(imgText);
	}
	newImg.src = newSrc;
	
	$("div#single").show();
}
function goToImg(num) {
	goGalleryImg(num);
	return false;
}

$(function(){
	//if($("#nav400")) { Dropdowns.register('#nav400', '#j400'); }
	//if($("#nav300")) { Dropdowns.register('#nav300', '#j300'); }
	//if($("#nav200")) { Dropdowns.register('#nav200', '#j200'); }
	//if($("#download")) { Dropdowns.register('#download', '#download-dropdown'); }
	//if($("#talk")) { Dropdowns.register('#talk', '#talk-dropdown'); }
	if($("#box")) { $("#box").click(function() { if(this.value == 'Search Jacuzzi') { this.value = ''; } }); }
	//$("#topNav select").change( function() { goto_URL(this.form.selectName); });	
	// add coupon to spa & accessories pages
	/* if(((window.location.href).indexOf('j-') > 0) || ((window.location.href).indexOf('accessories') > 0)) {
		$("#sidenav ul li:last").before('<li style="margin-bottom: -58px;"><a href="../financing/money-saving-offer.html"><img src="../images/promo/btn-coupon.gif" alt="Save $500! Limited Time Offer! Click to Learn More" /></a></li>');
	} */
});