function evalSearch() {
	if (frmCheck())
		window.open('http://www.google.com/search?q=' +  escape(document.frmSearch.txtKeyword.value) + '&domains=temasek.nus.edu.sg&sitesearch=temasek.nus.edu.sg');
}

function frmCheck() {
	if (document.frmSearch.txtKeyword.value == "" || document.frmSearch.txtKeyword.value == "Enter your search...") {
		alert("Please enter a search keyword.");
		return false;
	}
	return true;
}