if (document.images) {
  image0on = new Image();
  image0on.src = "_navimages/home_over.gif";
  image0off= new Image();
  image0off.src = "_navimages/home_off.gif";
  image1on = new Image();
  image1on.src = "_navimages/mailorder_over.gif";
  image1off= new Image();
  image1off.src = "_navimages/mailorder_off.gif";
  image2on = new Image();
  image2on.src = "_navimages/centres_over.gif";
  image2off= new Image();
  image2off.src = "_navimages/centres_off.gif";
  image3on = new Image();
  image3on.src = "_navimages/facilities_over.gif";
  image3off= new Image();
  image3off.src = "_navimages/facilities_off.gif";
  image4on = new Image();
  image4on.src = "_navimages/contact_over.gif";
  image4off= new Image();
  image4off.src = "_navimages/contact_off.gif";
}

saveImage = "";
function changeImages(imgName,img) {
   if (document.images) {
       if (saveImage == imgName) return;
       document[imgName].src = eval(img + ".src");
   }
}
defaultStatus="Welcome to Setyres";
if( top.location != location )
    top.location.href = location.href;
function ExplorerFix()
{
for (a in document.links) document.links[a].onfocus =
document.links[a].blur;
}
if (document.all)
{
document.onmousedown = ExplorerFix;
}
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}
function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("txtname", "address1", "town", "postcode", "email", "contactby", "manuf", "model", "quantity");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("Name", "Address", "Town/City", "Postcode", "E-mail address", "Contact method", "Vehicle manufacturer","Model", "Number of tyres");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}
	else
	{
		alert(alertMsg);
		return false;
	}
	
}

if (top != self) top.document.title = document.title;
defaultStatus="Setyres";
function ExplorerFix()
{
for (a in document.links) document.links[a].onfocus =
document.links[a].blur;
}
if (document.all)
{
document.onmousedown = ExplorerFix;
}
function fixElement(element, message) {
alert(message);
element.focus();
}