function URLEncode (clearString) {   
  var output = '';   
  var x = 0;   
  clearString = clearString.toString();   
  var regex = /(^[a-zA-Z0-9_.]*)/;   
  while (x < clearString.length) {   
    var match = regex.exec(clearString.substr(x));   
    if (match != null && match.length > 1 && match[1] != '') {   
        output += match[1];   
      x += match[1].length;   
    } else {   
      if (clearString[x] == ' ')   
        output += '+';   
      else {   
        var charCode = clearString.charCodeAt(x);   
        var hexVal = charCode.toString(16);   
        output += '%' + ( hexVal.length < 2 ? '0' : '' ) + hexVal.toUpperCase();   
      }   
      x++;   
    }   
  }   
  return output;   
}   

function submitenter(myfield, e)   
{   
    var keycode;   
    if (window.event)   
        keycode = window.event.keyCode;   
    else if (e)   
        keycode = e.which;   
    else  
        return true;   
    if (keycode == 13)   
    {   
        SearchSite();   
        return false;   
    }   
    else  
        return true;   
}   


function SearchSite()   
{   

document.location.href= 'http://nutramaxlabs.com/searchresults.aspx?cx=016015358614158567078%3Afx3taj-k9fo&cof=FORID%3A11&ie=UTF-8&q=' + URLEncode(document.getElementById('q').value) + '&sa=Search';   
}