image1 = new Image();
image1.src = "assets/navigation_products_o.gif";
image2 = new Image();
image2.src = "assets/navigation_contact_o.gif";
image3 = new Image();
image3.src = "assets/navigation_history_o.gif";
image4 = new Image();
image4.src = "assets/navigation_home_o.gif";
image5 = new Image();
image5.src = "assets/navigation_request_information_o.gif";

function getObj(whichLayer) {
	if (document.getElementById) {
		return document.getElementById(whichLayer);
	}
	else if (document.all) {
		return document.all[whichlayer];
	}
	else if (document.layers) {
		return document.layers[whichLayer];
	}
}

function nav_swap(img_src)
{
	//nav_image.src = img_src;
	img_swap('nav_image', img_src);
}

function img_swap(image_name, img_src)
{
	getObj(image_name).src = img_src;
}

/*
email checker
*/
function emailCheck(emailStr) 
 {
  var checkTLD=1;
  var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
  var emailPat=/^(.+)@(.+)$/;
  var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
  var validChars="\[^\\s" + specialChars + "\]";
  var quotedUser="(\"[^\"]*\")";
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
  var atom=validChars + '+';
  var word="(" + atom + "|" + quotedUser + ")";
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
  var matchArray=emailStr.match(emailPat);
  if (matchArray==null) 
   {
//    alert("Email address seems incorrect (check @ and .'s)");
	return false;
   }
  var user=matchArray[1];
  var domain=matchArray[2];
  for (i=0; i<user.length; i++) 
   {
    if (user.charCodeAt(i)>127) 
	 {
//	  alert("Ths username contains invalid characters.");
	  return false;
	 }
   }
  for (i=0; i<domain.length; i++) 
   {
    if (domain.charCodeAt(i)>127) 
	 {
//	  alert("Ths domain name contains invalid characters.");
	  return false;
	 }
   }
 if (user.match(userPat)==null) 
  {
//   alert("The username doesn't seem to be valid.");
   return false;
  }
 var IPArray=domain.match(ipDomainPat);
 if (IPArray!=null) 
  {
   for (var i=1;i<=4;i++) 
    {
     if (IPArray[i]>255) 
 	  {
//	   alert("Destination IP address is invalid!");
	   return false;
 	  }
    }
   return true;
  }
  var atomPat=new RegExp("^" + atom + "$");
  var domArr=domain.split(".");
  var len=domArr.length;
  for (i=0;i<len;i++) 
   {
    if (domArr[i].search(atomPat)==-1) 
     {
//      alert("The domain name does not seem to be valid.");
 	  return false;
     }
   }
  if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) 
   {
//    alert("The address must end in a well-known domain or two letter " + "country.");
    return false;
   }
  if (len<2) 
   {
//    alert("This address is missing a hostname!");
    return false;
   }
  return true;
 }


/*
Validate ashvyn
*/
function validateform(theform)
 {
  alertmsg = "There was a problem submitting the form:\n";
  retval = true;
    
	if(theform.name.value == "")
	{
		alertmsg += "Please enter your name\n";
		retval = false;
		theform.name.value = "";
	}
	if(theform.position.value == "")
	{
		alertmsg += "Please enter your position at the store\n";
		retval = false;
		theform.position.value = "";
	}
	if(theform.storename.value == "")
	{
		alertmsg += "Please enter the store name\n";
		retval = false;
		theform.storename.value = "";
	}
	if(theform.address.value == "")
	{
		alertmsg += "Please enter an address\n";
		retval = false;
		theform.address.value = "";
	}
	if(!emailCheck(theform.email.value))
	{
		alertmsg += "Please enter a valid mail address for yourself\n";
		retval = false;
		theform.email.value = "";
	}
	if(theform.loc.value == "")
	{
		alertmsg += "Please tell us the location of the store(s)\n";
		retval = false;
		theform.loc.value = "";
	}
  
	if(theform.brand.value == "")
	{
		alertmsg += "Please tell what other brands of linen you use\n";
		retval = false;
		theform.brand.value = "";
	}
  
	if(theform.deliveryadd.value == "")
	{
		alertmsg += "Please enter the delivery address\n";
		retval = false;
		theform.deliveryadd.value = "";
	}
  
	if(!retval)
	{
		alert(alertmsg);
	}
	
	return retval;
 }
// -->