// verify search field actually contains something,
//	 no sense wasting time searching if nothing is there

function CheckSearchForm () {

	//Check for a word to search
	if (document.searchForm.searchField.value == "")
	{
		alert("No search field supplied.\nPlease enter search item.");
		document.searchForm.searchField.focus();
		return false;
	}
	
	return true
}





function toggleSiteMap() 
{ 

	if (AcceptableBrowser)
	{
		if (NS6)
		{
			sitemap=document.getElementById("sitemap").style
			if (sitemap.visibility == "hidden") showSiteMap()
			else hideSiteMap()
		}
		else if (IE) 
		{
			if (sitemap.style.visibility == "hidden") showSiteMap()
			else hideSiteMap()
		}

	}
}






function hideSiteMap()
{

	if (AcceptableBrowser)
	{
		if (NS6)
		{
			sitemap=document.getElementById("sitemap").style
			sitemap.visibility="hidden"
		}
		else if (IE) 
		{
			sitemap.style.visibility = "hidden"
		}


	}
}



function showSiteMap()
{

	if (AcceptableBrowser)
	{	
		if (NS6)
		{
			sitemap=document.getElementById("sitemap").style
			sitemap.visibility = "visible"
		}
		else if (IE) 
		{
			sitemap.style.visibility = "visible"
		}
	}
}