function preGoogle()
{
   document.getElementById('q').value=document.getElementById('GoogleSearch').value;
   if(document.getElementById('SiteAnSci').checked)
       document.getElementById('q').value+=' site:www.ansci.uiuc.edu';
   else if(document.getElementById('SiteTRAILL').checked)
       document.getElementById('q').value+=' site:www.livestocktrail.uiuc.edu';
}