function popImage(id,src)
{
	var obj = document.getElementById(id);
	if (obj)
		{
		obj.src = "/graphics/menu/" + src;
		}
}
function checkNum()
{
	qty = document.countform.quantity.value;
	numPattern = /(^\d+$)|(^\d+\.\d+$)/;
	if (numPattern.test(qty))
		{
		return true;
		}
	else
	{
		alert("Please enter numeric characters only.");
		return false
	}
}
function submitSearch() 
{
	var obj = document.getElementById("txtSearch");
	sstr = "http://www.steeljoist.org/pages/search.asp?sstr=" + obj.value;
	location.href=sstr;
}
function clearMe(el) {
	if (el.defaultValue==el.value) el.value = ""
}