// function displays a popup window
function openWin(url, width, height){
  var params;
  params = "toolbar=0,";
  params += "location=0,";
  params += "directories=0,";
  params += "status=0,";
  params += "menubar=0,";
  params += "scrollbars=1,";
  params += "resizable=0,";
  params += "top=100,";
  params += "left=100,";
  params += "width="+width+",";
  params += "height="+height;
  winRef = window.open(url, 'popup', params);
  winRef.focus();
}

// function displays today date in format mm/dd/yyyy
function DisplayTodayDate(){
  var today = new Date();
  var date = today.getDate();
  return date;
}

function Display(name){
  alert(name);
  document.bedazzle.cm.value=name;
  document.bedazzle.submit();
  return;
}


// the OnlyDigits checks for entry if a digit


var strUserAgent = navigator.userAgent.toLowerCase(); 
var isIE = strUserAgent.indexOf("msie") > -1; 
var isNS6 = strUserAgent.indexOf("netscape6") > -1; 
var isNS4 = !isIE && !isNS6  && parseFloat(navigator.appVersion) < 5; 

// check real-time
// only digit, backspace, and tab keys entered
function OnlyDigits(objEvent){
  var iKeyCode, strKey;  
  //regular expressions
  var reValidChars = /\d/;
  
  if (isIE){
    iKeyCode = objEvent.keyCode;
  } 
  else {
    iKeyCode = objEvent.which;
  }
    
  strKey = String.fromCharCode(iKeyCode);
    
  // on FireFox iKeyCode == 8 (backspace), == 0 (tab)
  if (!reValidChars.test(strKey) && !(iKeyCode == 8 || iKeyCode == 0) ) {
    alert("Invalid input.  Please enter a number!");
    return false;
  }
}

// check real-time
// check for is it has reached max chars input
function CountChars(maxchars, field, objEvent, txtName) {
  var iKeyCode;
  if (isIE) {
    iKeyCode = objEvent.keyCode;
    } 
  else {
    iKeyCode = objEvent.which;
  }
    
  if((field >= maxchars) && !(iKeyCode == 8 || iKeyCode == 0)) {
    alert(txtName + ' has max of ' + maxchars);
    return false; 
  }
  else
    return true;
}

// check on submit
// function returns true is field values either == '' or == '           '
// field must be something like this: document.frmLogon.txtEmail.value
function IsEmpty(field){
  if ( (/^[ ]*$/.test(field)) ){
    return true;
  }
  return false;
}

// check on submit
// function returns true if field value contains either ' or \
// These are not allowed to insert into MySQL
function IsContainedSpecChars(field){
  if ( (/[\\ | \' ]/.test(field)) ){
    return true;
  }
  return false;
}

// check real-time
function NoSpecialChars(objEvent){
  var iKeyCode, strKey;
  var reValidChars = /[\\|\']/;
	
  if (isIE) {
    iKeyCode = objEvent.keyCode;
  } 
  else {
    iKeyCode = objEvent.which;
  }
    
  strKey = String.fromCharCode(iKeyCode);
    
  // on FireFox iKeyCode == 8 (backspace), == 0 (tab)
  if (reValidChars.test(strKey)) {
    alert("\\ or \' is not allowed!");
    return false;
  }
}

// check on submit
// function returns true if the field value just contains digits
function IsDigits(field){
  var i;
  for (i = 0; i< field.length; i++){
    var c = field.charAt(i);
    if ( c<'0' || c>'9' ){
      return false;
    }
  }
  return true;
}

// check on submit
// function returns true if the field value is valid email address
// at least in this format a@b.c
function IsEmail(email){
  var reEmail = /^.+\@.+\..+$/;
  return reEmail.test(email);
}



// this portion just display drop down list for rings
//Contents for rings
var rings=new Array()
rings[0]='<a href="rings.php?_s=0&_g=F&_st=rhodium">Women\'s White Rings</a>'
rings[1]='<a href="rings.php?_s=0&_g=F&_st=gold">Women\'s Gold Overlay Rings</a>'
rings[2]='<a href="rings.php?_s=0&_g=F&_st=colored">Women\'s Colored Rings</a>'
rings[3]='<a href="rings.php?_s=0&_g=M&_st=all">Men\'s Rings</a>'
		
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=2 //horizontal offset of menu from default location. (0-5 is a good value)

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width: 0px" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
  var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
  var parentEl=what.offsetParent;
  while (parentEl!=null){
    totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl=parentEl.offsetParent;
  }
  return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
  if (ie4||ns6)
    dropmenuobj.style.left=dropmenuobj.style.top=-500
  dropmenuobj.widthobj=dropmenuobj.style
  dropmenuobj.widthobj.width=menuwidth
  if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
    obj.visibility=visible
  else if (e.type=="click")
    obj.visibility=hidden
}

function iecompattest(){
  return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
  var edgeoffset=0
  if (whichedge=="rightedge"){
    var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
    dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
    if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
      edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth
  }
  else{
    var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
    var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
    dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
    if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move menu up?
      edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
	if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
	  edgeoffset=dropmenuobj.y
    }
  }
  return edgeoffset
}

function populatemenu(what){
  if (ie4||ns6)
    dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
  if (window.event) event.cancelBubble=true
  else if (e.stopPropagation) e.stopPropagation()
  clearhidemenu()
  dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
  populatemenu(menucontents)

  if (ie4||ns6){
    showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
    dropmenuobj.x=getposOffset(obj, "left")
    dropmenuobj.y=getposOffset(obj, "top")
    dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px"
    dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
  }
  return clickreturnvalue()
}

function clickreturnvalue(){
  if (ie4||ns6) return false
  else return true
}

function contains_ns6(a, b) {
  while (b.parentNode)
    if ((b = b.parentNode) == a)
      return true;
  return false;
}

function dynamichide(e){
  if (ie4&&!dropmenuobj.contains(e.toElement))
    delayhidemenu()
  else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
    delayhidemenu()
}

function hidemenu(e){
  if (typeof dropmenuobj!="undefined"){
    if (ie4||ns6)
      dropmenuobj.style.visibility="hidden"
  }
}

function delayhidemenu(){
  if (ie4||ns6)
    delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
  if (typeof delayhide!="undefined")
    clearTimeout(delayhide)
}