function navOver(imgName)
{
	var theImage = document.getElementById(imgName);	
	if(theImage.src.indexOf("-off.gif") != -1)
	{
		theImage.src = theImage.src.replace("-off.gif","-on.gif");
	}	
	else
	{
		theImage.src = theImage.src.replace("-on.gif","-off.gif");
	}
}

function validateSearch()
{
	if(document.getElementById("search").value == "")
	{
		document.getElementById("search").style.borderColor = "#724F33";
		return false;
	}
}
var timer;
function showSizeChart() {
	clearTimeout(timer);
	document.getElementById("sizeChart").style.display = "block";
}
function hideSizeChart() {
	timer = setTimeout("hideChartPopup()", 100);
}
function hideChartPopup() {
	document.getElementById("sizeChart").style.display = "none";
}