//-
function isNull(value)
{
	return value == null || value == "" || value == "undefined";
}
//-
function getSearchParameter(parameter, def)
{
	url = new String(document.referrer);
//	return(url);
	search = new String(url.substring(url.indexOf("?") + 1, url.length))
	search = search.split("&")
	for (i = 0; i < search.length; i++)
	{
		pair = new String(search[i])
		index = pair.indexOf("=")
		if (index > 0 && index < pair.length)
		{
			check = pair.substring(0, index)
			if (parameter == check)
			{
				var rawret = pair.substring(index + 1, pair.length);
				var ret = new String(unescape(rawret));
				var mret = "";
				for(var j = 0; j < ret.length; j++)
					if(ret.charAt(j) == '+')
						mret += ' ';
					else
						mret += ret.charAt(j);
				return mret;
			}
		}
	}
	return def;
}
//-
function GRSP()
{
	var sR = "";
	sR = getSearchParameter("q", "");
	if(sR.length > 0 ) return sR;
	sR = getSearchParameter("p", "");
	if(sR.length > 0 ) return sR;
	sR = getSearchParameter("query", "");
	if(sR.length > 0 ) return sR;
	sR = getSearchParameter("text", "");
	if(sR.length > 0 ) return sR;	
	sR = getSearchParameter("words", "");
	if(sR.length > 0 ) return sR;	
	return "";
}
var sGR = GRSP();
//alert(sGR);
if(sGR.length > 0 )
{
	if(document.getElementById("tf_ss"))
		document.getElementById("tf_ss").innerHTML = sGR;
	if(document.getElementById("tf_gs"))		
		document.getElementById("tf_gs").value = sGR;
	if(document.getElementById("tf_sl"))		  
		document.getElementById("tf_sl").href = "http://timberfrog.com/store/index.cgi?Operation=ItemSearch&Keywords=" + sGR + "&SearchIndex=Blended"
	
}