// JavaScript Document

<!--

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function reorder() {
  document.generic_form.submit();
}

function winefilter(selection) {
  
  reorder();
}

function MM_preloadImages() { //v3.0
  var d=document;
  if(d.images){
    if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
    for(i=0; i<a.length; i++) {
      if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}
    }
  }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;
  if(!d) d=document;
  if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all) x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n);
  return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;
  document.MM_sr=new Array;
  for(i=0;i<(a.length-2);i+=3) {
   if ((x=MM_findObj(a[i]))!=null) {
     document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
   }
  }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function check_insert(type) {
  document.generic_form.action += '&action=ins';
  document.generic_form.submit();
}

function check_update(type) {
  if ( document.generic_form.id.selectedIndex < 0 ) {
    alert('Select a row first!');
  } else {
    document.generic_form.action += '&action=upd&id=' + document.generic_form.id[document.generic_form.id.selectedIndex].value;
    document.generic_form.submit();
  }
}

function check_delete(type) {
  if ( document.generic_form.id.selectedIndex < 0 ) {
    alert('Select a row first!');
  } else {
    if (confirm("Are you sure you want to delete")) {
	if ( typeof document.generic_form.id.selectedIndex == 'undefined' ) {
	  document.generic_form.action += '&action=del&id=' + document.generic_form.id.value;
	} else {
	  document.generic_form.action += '&action=del&id=' + document.generic_form.id[document.generic_form.id.selectedIndex].value;
	}
	document.generic_form.submit();
    }
  }
}

function do_popup(url, l_width, l_height, l_scroll)
{
  if (document.all)
    var xMax = screen.width, yMax = screen.height;
  else
    if (document.layers)
      var xMax = window.outerWidth, yMax = window.outerHeight;
    else
      var xMax = 640, yMax=480;

  var xOffset = (xMax - l_width)/2, yOffset = (yMax - l_height)/2;

  var details = 'location=0,status=0,scrollbars='+l_scroll+',width='+l_width+',height='+l_height+',';
  details = details + 'screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset;

  window.open(url,'title',details);
}

function check_wine_form()
{
	if ( document.generic_form.winename.value == '') {
	    alert('You must enter a wine name!');
	    return FALSE;
	}
	if ( document.generic_form.year.value == '') {
	    alert('You must enter a year for the wine!');
	    return FALSE;
	}
	if ( document.generic_form.countryId.options[document.generic_form.countryId.selectedIndex].value == '0') {
	    alert('You must select an country!');
	    return FALSE;
	}
	if ( document.generic_form.regionId.options[document.generic_form.regionId.selectedIndex].value == '0') {
	    alert('You must select an region!');
	    return FALSE;
	}
	if ( document.generic_form.typeId.options[document.generic_form.typeId.selectedIndex].value == '0') {
	    alert('You must select an type!');
	    return FALSE;
	}
	if ( document.generic_form.varietyId.options[document.generic_form.varietyId.selectedIndex].value == '0') {
	    alert('You must select an variety!');
	    return FALSE;
	}

	if ( document.generic_form.price.value == '') {
	    alert('Price must not be blank!');
	    return FALSE;
	}

	if ( document.generic_form.shortdesc.value == '') {
	    alert('Short description must not be blank!');
	    return FALSE;
	}

	if ( document.generic_form.longdesc.value == '') {
	    alert('Long description must not be blank!');
	    return FALSE;
	}

	document.generic_form.submit();
}

function check_country_form()
{
	if ( document.generic_form.countryname.value == '') {
	    alert('You must enter a value for the country name!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_region_form()
{
	if ( document.generic_form.countryId.options[document.generic_form.countryId.selectedIndex].value == '0') {
	    alert('You must select an country name in the lookup!');
	    return FALSE;
	}
	if ( document.generic_form.regionname.value == '') {
	    alert('You must enter a value for the region name!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_type_form()
{
	if ( document.generic_form.typename.value == '') {
	    alert('You must enter a value for the type!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_variety_form()
{
	if ( document.generic_form.varietyname.value == '') {
	    alert('You must enter a value for the variety!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_price_form()
{
	if ( document.generic_form.price.value == '') {
	    alert('You must enter a value for the price!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_blackboard_form()
{
	if ( document.generic_form.blackboardname.value == '') {
	    alert('You must enter a value for the blackboard name!');
	    return FALSE;
	}
	if ( document.generic_form.shortdesc.value == '') {
	    alert('You must enter a value for the short description!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_case_form()
{
	if ( document.generic_form.casename.value == '') {
	    alert('You must enter a value for the case promotion name!');
	    return FALSE;
	}
	if ( document.generic_form.wineId.options[document.generic_form.wineId.selectedIndex].value == '0') {
	    alert('You must select an wine in the lookup!');
	    return FALSE;
	}
	if ( document.generic_form.shortdesc.value == '') {
	    alert('You must enter a value for the short description!');
	    return FALSE;
	}
	document.generic_form.submit();
}

function check_review_form()
{
	if ( document.generic_form.wineId.options[document.generic_form.wineId.selectedIndex].value == '0') {
	    alert('You must select an wine in the lookup!');
	    return FALSE;
	}
	if ( document.generic_form.review.value == '') {
	    alert('You must enter a value for the review!');
	    return FALSE;
	}
	document.generic_form.submit();
}



function check_user_form()
{
	if ( document.generic_form.username.value == '') {
	    alert('You must enter a value for the username!');
	    return FALSE;
	}
	if ( document.generic_form.psswd.value == '') {
	    alert('You must enter a value for the password!');
	    return FALSE;
	}
	if ( document.generic_form.psswd.value == document.generic_form.username.value) {
	    alert('username and password cannot be the same!');
	    return FALSE;
	}
	if ( document.generic_form.psswd.length < 6) {
	    alert('password must be more than six characters!');
	    return FALSE;
	}
	document.generic_form.submit();
}


function bookmark(url, title)
{
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
	window.external.AddFavorite(url,title);
  } else {
	alert('Sorry this is not supported in Netscape. Press CTRL-D.')
  }
}

function do_search()
{
	if ( document.search_form.listingtypename.selectedIndex > 0 ) {
document.search_form.page.value = document.search_form.listingtypename.options[document.search_form.listingtypename.selectedIndex].value;
	}
	document.search_form.submit();
}

function hideshowsearch()
{
  if (document.search_form.listingtypename.options[document.search_form.listingtypename.selectedIndex].text == 'Sales' ) {
     document.search_form.salespricefrom.style.display = 'inline';
     document.search_form.salespriceto.style.display = 'inline';
     document.search_form.letpricefrom.style.display = 'none';
     document.search_form.letpriceto.style.display = 'none';

     //reset to zero so search works if they have already looked for rentals
     document.search_form.letpricefrom.selectedIndex = 0;
     document.search_form.letpriceto.selectedIndex = 0;
  } else {
     document.search_form.salespricefrom.style.display = 'none';
     document.search_form.salespriceto.style.display = 'none';
     document.search_form.letpricefrom.style.display = 'inline';
     document.search_form.letpriceto.style.display = 'inline';

     //reset to zero so search works if they have already looked for rentals
     document.search_form.salespricefrom.selectedIndex = 0;
     document.search_form.salespriceto.selectedIndex = 0;
  }
}

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
 s=stripCharsInBag(strPhone,validWorldPhoneChars);
 return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}


function echeck(str)
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){ return false; }
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ return false; }

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ return false; }

	if (str.indexOf(at,(lat+1))!=-1){ return false; }

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ return false; }

	if (str.indexOf(dot,(lat+2))==-1){ return false; }

	if (str.indexOf(" ")!=-1){ return false; }
	return true;
}

//-->
//-->
// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array.

theImages[0] = 'images/shop1.gif'
theImages[1] = 'images/shop2.gif'
theImages[2] = 'images/shop3.gif'
theImages[3] = 'images/shop1.gif'


var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}


function search_selected() {
  if ( document.search_form.search.value == "Search wine by name..." ) { document.search_form.search.value = ''; }
  document.search_form.search.className='searchtext_on';
}



//-->