// JavaScript Document
function clearSearchBox(sender){
	if (sender.value == "Search..."){
		sender.value = "";
		sender.style.color = "#000";
	}
}
function checkSearchBox(sender){
	if (sender.value == ""){
		sender.value = "Search...";
		sender.style.color = "#888888";
	}
}
function validateSearch(theForm) {
	if (theForm.query.value == "" || theForm.query.value == "Search...") {
		alert("Please enter a valid search term.");
		theForm.query.focus();
		return false;
	}
	return true;
}

//chooses random image
function pickRandomImage() {
	// interpolate random images into a page.
	var numImages = 1;     // Number of alternative images
	//var numImages = 1;     // Number of alternative images
	var imgAry = new Array(numImages);  // Array to hold filenames

	//list all random filename
	//imgAry[0] = "/images/top/banner-25percent-off-storewide.gif";
	//imgAry[0] = "/images/top/banner-holidays-percent-off.gif";
	//imgAry[0] = "/images/top/fathers-day-special.jpg";
	//imgAry[0] = "/images/top/thanksgiving-special.jpg";
	//imgAry[0] = "/images/top/christmas-special.jpg";
	//imgAry[0] = "/images/top/memorial-day-sale.jpg";
	//imgAry[0] = "/images/top/banner-nov-2009-20percent.gif";
	//imgAry[0] = "/images/top/spring-special-2011.jpg";
	//imgAry[0] = "/images/top/memorial-day-special-2011.jpg";
	//imgAry[0] = "/images/top/fathers-day-special-2011.jpg";
	//imgAry[0] = "/images/top/banner-summer-sale.gif";
	//imgAry[0] = "/images/top/xmas-banner-2011.jpg";
	imgAry[0] = "/images/top/banner-nfl-clearance-sale.jpg";

	/*imgAry[0] = "/images/top/1.jpg";
	imgAry[1] = "/images/top/2.jpg";
	imgAry[2] = "/images/top/3.jpg";
	imgAry[3] = "/images/top/5.jpg";
	imgAry[4] = "/images/top/6.jpg";*/

	var choice = 0;

	if (Math.random)
		choice = Math.round(Math.random() * (numImages-1));
	else {
		var now = new Date();
		choice = (now.getTime() / 1000) % numImages;
	}

	return imgAry[choice];
}