function mysearch(){
var as_q = encodeURIComponent(document.getElementById('T1').value);
if (!as_q){
alert('Please enter your search keyword');
}else{ 
var q = ''+as_q+'+site%3Awww.colleyvillebaseball.com' ;
window.open(
'http://www.google.com/search?hl=en&q='+q,
'search',
'') ;
}}