/*
Function Names:
hide(divID)
show(divID)
showText(divID, text)
checkForm()
*/
function hide(divID) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(divID).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.divID.display = 'none';
		}
		else { // IE 4
			document.all.divID.style.display = 'none';
		}
	}
}
function showText(divID, text) {
	//safe function to show an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(divID).innerHTML = text;
		document.getElementById(divID).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.layers.divID.document.open();
			document.layers.divID.document.write(text);
			document.layers.divID.document.close();
			document.divID.display = 'block';
		}
		else { // IE 4
			document.all.divID.innerHTML=text;
			document.all.divID.style.display = 'block';
		}
	}
}
function show(divID) {
	//safe function to show an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(divID).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.divID.display = 'block';
		}
		else { // IE 4
			document.all.divID.style.display = 'block';
		}
	}
}
function checkForm(){
 document.getElementById('enq_btn').disabled=true;
 var name=document.getElementById('enq_name').value;
 document.getElementById('enq_name').className = 'input';
 var number=document.getElementById('enq_num').value;
 document.getElementById('enq_num').className = 'input';
 var email=document.getElementById('enq_email').value;
 document.getElementById('enq_email').className = 'input';
 var msg='';
 if(name==''){
  msg='Please enter a contact name';
  document.getElementById('enq_btn').disabled=false;
  showText('msg',msg);
  document.getElementById('msg').className = 'errorMsg';
  document.getElementById('enq_name').className = 'input_error';
  return false;
 }
 if(number==''){
  msg='Please enter a contact phone number';
  document.getElementById('enq_btn').disabled=false;
  showText('msg',msg);
  document.getElementById('msg').className = 'errorMsg';
  document.getElementById('enq_num').className = 'input_error';
  return false;
 }
 if(email==''){
  msg='Please enter an email address';
  document.getElementById('enq_btn').disabled=false;
  showText('msg',msg);
  document.getElementById('msg').className = 'errorMsg';
  document.getElementById('enq_email').className = 'input_error';
  return false;
 } 
 if(valEmail(email)==false){
  msg='Please enter a valid email address';
  document.getElementById('enq_btn').disabled=false;
  showText('msg',msg);
  document.getElementById('msg').className = 'errorMsg';
  document.getElementById('enq_email').className = 'input_error';
  return false;
 }
 //if it hasn't found any problems, submit
 return true;
}
//tests for valid email address, sinple regex
function valEmail(email){
 var emailRegex = /^.+@.+\.[a-z]{2,4}$/i;
 return emailRegex.test(email);
}
function blank(){

}
function changeClass(divID,toClass){
//safe function to hide an element with a specified id
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(divID).className = toClass;
 }
}