function f()
{
  //var f=document.formSear;
  var qe=document.getElementById("searWords").value;
  qe = trim(qe);
  qe = sqlInj(qe);
  if(qe.length <= 3)
  {
	alert("Please enter at least 4 charcheter");
  }
  else
  {
    document.location = "search.shtml?searWords=" + qe 
  }
}

function clearThis(obj)
{
  if(obj.value == "search ..")
  {
    obj.value="";
  }
}

function trim(stringToTrim) 
{
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function sqlInj(stringToRep)
{
	stringToRep = stringToRep.replace("<script>","");
	stringToRep = stringToRep.replace("</script>","");
	stringToRep = stringToRep.replace("<%","");
	stringToRep = stringToRep.replace("<%=","");
	stringToRep = stringToRep.replace("%>","");
	return stringToRep;
	
}
function chkKey(e)
{
	var keynum;
    var keychar;
    var numcheck;
    if(window.event) // IE
    {
     keynum = e.keyCode;
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
     keynum = e.which;
    }
	if(keynum == 13)
	{
		f();
	}

}