//********************************************************************
//*-------------------------------------------------------------------
//* Licensed Materials - Property of IBM
//*
//* WebSphere Commerce
//*
//* (c) Copyright International Business Machines Corporation. 2003
//*     All rights reserved.
//*
//* US Government Users Restricted Rights - Use, duplication or
//* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//*
//*-------------------------------------------------------------------
//*

//////////////////////////////////////////////////////////
// Checks whether a string contains a double byte character
// target = the string to be checked
//
// Return true if target contains a double byte char; false otherwise
//////////////////////////////////////////////////////////
function containsDoubleByte (target) {
     var str = new String(target);
     var oneByteMax = 0x007F;

     for (var i=0; i < str.length; i++){
        chr = str.charCodeAt(i);
        if (chr > oneByteMax) {return true;}
     }
     return false;
}

//////////////////////////////////////////////////////////
// A simple function to validate an email address
// It does not allow double byte characters
// strEmail = the email address string to be validated
//
// Return true if the email address is valid; false otherwise
//////////////////////////////////////////////////////////
function isValidEmail(strEmail){
	// check if email contains dbcs chars
	if (containsDoubleByte(strEmail)){
		return false;
	}
	
	if(strEmail.length == 0) {
		return false;
	} else if (strEmail.length < 5) {
             return false;
       	}else{
           	if (strEmail.indexOf(" ") > 0){
                      	return false;
               	}else{
                  	if (strEmail.indexOf("@") < 1) {
                            	return false;
                     	}else{
                           	if (strEmail.lastIndexOf(".") < (strEmail.indexOf("@") + 2)){
                                     	return false;
                                }else{
                                        if (strEmail.lastIndexOf(".") >= strEmail.length-2){
                                        	return false;
                                        }
                              	}
                       	}
              	}
       	}
      	return validateEmailAddress(strEmail);
}

function validateEmailAddress(emailStr) {
    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)
        return false;
    var user=matchArray[1];
    var domain=matchArray[2];
    // See if "user" is valid
    if (user.match(userPat)==null)
        return false;
    var IPArray=domain.match(ipDomainPat);
    if (IPArray!=null) {
        // this is an IP address
        for (var i=1;i<=4;i++) {
            if (IPArray[i]>255)
                return false;
        }
        return true;
    }
    // Domain is symbolic name
    var domainArray=domain.match(domainPat)
    if (domainArray==null)
        return false;
    var atomPat=new RegExp(atom,"g");
    var domArr=domain.match(atomPat);
    var len=domArr.length;
    if (domArr[domArr.length-1].length<2 ||
        domArr[domArr.length-1].length>4)
       return false;
    if (len<2)
       return false;
    return true;
}



//////////////////////////////////////////////////////////
// This function will count the number of bytes
// represented in a UTF-8 string
//
// arg1 = the UTF-16 string
// arg2 = the maximum number of bytes allowed in your input field
// Return false is this input string is larger then arg2
// Otherwise return true...
//////////////////////////////////////////////////////////
function isValidUTF8length(UTF16String, maxlength) {
    if (utf8StringByteLength(UTF16String) > maxlength) return false;
    else return true;
}

//////////////////////////////////////////////////////////
// This function will count the number of bytes
// represented in a UTF-8 string
//
// arg1 = the UTF-16 string you want a byte count of...
// Return the integer number of bytes represented in a UTF-8 string
//////////////////////////////////////////////////////////
function utf8StringByteLength(UTF16String) {
  if (UTF16String === null) return 0;
  var str = String(UTF16String);
  var oneByteMax = 0x007F;
  var twoByteMax = 0x07FF;
  var byteSize = str.length;

  for (i = 0; i < str.length; i++) {
    chr = str.charCodeAt(i);
    if (chr > oneByteMax) byteSize = byteSize + 1;
    if (chr > twoByteMax) byteSize = byteSize + 1;
  }  
  return byteSize;
}

//////////////////////////////////////////////////////////
//
//Menu CSS Express Drop-Down Menu
//
//////////////////////////////////////////////////////////

function P7_ExpMenu(){ 
 if(navigator.appVersion.indexOf("MSIE")==-1){
 	return;
 }
 var i,k,g,lg,r=/\s*p7hvr/,nn='',c,cs='p7hvr',bv='p7menubar';
 for(i=0;i<10;i++){
 	g=document.getElementById(bv+nn);
 	if(g){
		lg=g.getElementsByTagName("LI");
		if(lg){
			for(k=0;k<lg.length;k++){
				lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
 					this.className=cl;};
					lg[k].onmouseout=function(){c=this.className;
 this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}