// JavaScript Document
/*
The following function getElementsByClassName is from www.robertnyman.com
Developed by Robert Nyman, http://www.robertnyman.com
Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

function fHideAll(id) {
	var allsubs = getElementsByClassName(id);
	for (j=0; j<allsubs.length; j++) {
		allsubs[j].style.display = 'none';
	}
	return true;
}

// Visibility related functions
function fToggleVis(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block')
		{ e.style.display = 'none'; }
	else
		{ e.style.display = 'block'; }
	return true;
}

function fToggleMenuVis(id) {
	fHideAll('submenu');
	var e = document.getElementById(id);
	if(e.style.display == 'block')
		{ e.style.display = 'none'; }
	else
		{ e.style.display = 'block'; }
	return true;
}

function fToggleImageVis(id) {
	fHideAll('imagefull');
	var e = document.getElementById(id);
	if(e.style.display == 'block')
		{ e.style.display = 'none'; }
	else
		{ e.style.display = 'block'; }
	return true;
}

// Color related functions

function colorHighlightOn(id,isstock) {
	if (isstock == 'in') {
		document.getElementById(id).className = 'colors-selected';
		document.getElementById('stockstatus').innerHTML = id+': <strong>In Stock</strong>';
	} else {
		document.getElementById('stockstatus').innerHTML = id+': <strong><font color="red">Out of Stock</font></strong>';
	}
	return true;
}

function colorHighlightOff(id,isstock) {
	if (isstock == 'in') {
		document.getElementById(id).className = 'colors-instock';
		document.getElementById('stockstatus').innerHTML = '&nbsp;';
	}
	return true;
}

function colorSetChoice(id,pid) {
	var e = document.getElementById('showcolorchoice');
	var f = document.getElementById('colorchoice');
	var g = document.getElementById('cartSubmit');
	e.innerHTML = id;
	f.value = id;
	g.disabled = false;
	return true;
}