function go(){
	if(trim(document.Top.Query1.value) != ""){
		return true;
	}else{
		alert('Insert Keyword');
		document.Top.Query1.focus();

		return false;
	}
}

function trim(str) {
	var count = str.length;
	var len = count;                
	var st = 0;
	while ((st < len) && (str.charAt(st) <= ' ')) {
		st++;
	}
	while ((st < len) && (str.charAt(len - 1) <= ' ')) {
		len--;
	}                
	return ((st > 0) || (len < count)) ? str.substring(st, len) : str ;   
}