function launchAMZ() {

	search_term = document.getElementById("start").value;
        queryTypeRadio = document.getElementById("query_type");

	if(document.getElementById("radio_books").checked)  query_type = "Book"; 
	if(document.getElementById("radio_music").checked)  query_type = "Music"; 
	if(document.getElementById("radio_dvd").checked)  query_type = "Movie"; 
	
	amazonUrl = "http://www.touchgraph.com/TGAmazonBrowser.php?"
+"query_type="+ query_type
+"&keywords="+escape(search_term);

	if (search_term != "") {

		win = window.open(amazonUrl, 'TGAmazonBrowser', 'toolbar=no,scrollbars=no,resizable=yes,menubar=no,status=no,directories=no');

		win.focus();

	} else {

		alert("Please enter keyword(s)");

	}

	return false;

}


function launchGoogle() {

	search_term = document.getElementById("start").value;
	signed = document.getElementById("signed").value;

	if (search_term != "") {

        win = window.open('http://www.touchgraph.com/TGGoogleBrowser.php?start='+escape(search_term)+"&signed="+ signed, 'TGGoogleBrowser', 'toolbar=no,scrollbars=no,resizable=yes,menubar=no,status=no,directories=no');

		win.focus();

	} else {

		alert("Please enter keyword(s)");

	}

	return false;

}