function checkForm(){
	if(document.enquiry.name.value==""){
			alert("Please enter your name");
			document.enquiry.name.focus();
			document.enquiry.name.select();
			return false;
	 }
	if(document.enquiry.email.value==""){
			alert("Please enter your email address");
			document.enquiry.email.focus();
			document.enquiry.email.select();
			return false;
	 }
	if(document.enquiry.telephone.value==""){
			alert("Please enter your telephone number");
			document.enquiry.telephone.focus();
			document.enquiry.telephone.select();
			return false;
  } 
}
function out_Focus(){
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  
  var search_box = document.getElementById("search_box");
  if(search_box.value == ""){
  	search_box.value = "...by keyword";
  }
}
function on_Focus(){
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  
  var search_box = document.getElementById("search_box");
  if(search_box.value == "...by keyword"){
  	search_box.value = "";
  	search_box.focus();
  }
}

function dropCategory(){
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  
  var category = document.getElementById("category");
  category.options[0].selected = true;
}