gHomeDescArray = new Array();
gHomeImgArray = new Array();
gFeatureLinkArray = new Array();
gHomeLinkArray = new Array();

function showRandomProduct() {
	randNum = Math.random();
	granularity = 1 / (gProdImgArray.length - 1);
	gCurProd = Math.round(randNum / granularity);
	gProdImgArray[gCurProd].on();
	changeProductDesc();
}

function changeProductManual(direction) {
	gCycle = false;
	changeProduct(direction);
	gProdImgArray[gCurProd].on();
	changeProductDesc();
}

function changeProductDesc() {
	document.getElementById('prodDescDiv').innerHTML = '<a href="' + gFeatureLinkArray[gCurProd] + '">' + gProdDescArray[gCurProd] + '<img src="/images/arrow_orange.gif" width="1" height="1" hspace="5" alt="" border="0" /></a>';
	document.getElementById('featureLink').href = gFeatureLinkArray[gCurProd];
}

function cycleProducts() {
	if(gCycle){
		changeProduct('right');
		gProdImgArray[gCurProd].on();
		changeProductDesc();
		window.setTimeout('cycleProducts()', 5000);
	}
}

function showRandomHomeImg() {
	randNum = Math.random();
	granularity = 1 / (gHomeImgArray.length);
	curImg = Math.floor(randNum / granularity);
	gHomeImgArray[curImg].on();
	document.getElementById('transparencyText').innerHTML = '<a href="' + gHomeLinkArray[curImg] + '">' + gHomeDescArray[curImg] + '<img src="/images/arrow_orange.gif" width="0" height="0" hspace="5" alt="" border="0" /></a>';
}