function getparam(name)
{
	var str;
	var params;

	str = window.location.search.substring(1);
	params = str.split("&");
	for(i=0;i<params.length;i++) {
		p = params[i].split("=");
		if (p && p.length > 1 && p[0] == name) return(p[1]);
	}
	return "";
}