function clearform(which){
	if ((which.value=="Search") || (which.value=="Search Resources") ) {
		which.value='';
	}
}

function isBlank() {
	value=document.searchbox.elements['sp-q'].value;

	if (( value == "" ) || (value == "Search Resources")) {
	    alert("Please enter a search keyword.");
        return false;
    } else {
	    return true;
    }
}