//--------------------------------------------------------------------------------------------
// global variables
//--------------------------------------------------------------------------------------------
var lastTable = "";

alertIcon = new Image();
alertIcon.src = "/common/Form/Images/alert.gif";

clearIcon = new Image();
clearIcon.src = "/common/Form/Images/alert.clear.gif";

//--------------------------------------------------------------------------------------------
// function:	SetAlert()
// description:	Sets Alert
//--------------------------------------------------------------------------------------------
function SetAlert( pTurnOn, pFieldID )
{
	var iName;

	iName = "i" + pFieldID;

	if( pTurnOn )					
    {
        document[iName].src = eval( "alertIcon.src");
        return 1;
    }
	else
    {
        document[iName].src = eval( "clearIcon.src");
        return 0;
    }
    return;
}
//--------------------------------------------------------------------------------------------
// function:	AdviceAndValidate()
// description:	Runs all Validations
//--------------------------------------------------------------------------------------------
function AdviceAndValidate( pField, pFieldID, pType, pMin, pMax, pFormat )
    {
    var wasError=0;

    hideAdvice()

    if( !pField ) return false;

    if( (pType != 'DDL') )
    {
	    wasError = validateLength( pField, pFieldID, pMin, pMax );				// first check length
    }

    	
    switch( pType )
	    {
	    case 'DDL':									
		    if( pFormat == pField[pField.selectedIndex].value ) 
		    {
			    SetAlert(true, pFieldID);
			    return true;
		    }
		    else
		    {
			    SetAlert(false, pFieldID);
			    return false;
		    }
		    break;

	    case 'OIN':	
    									
		    if( pField.checked ) 
		    {
			    SetAlert(false, pFieldID);
			    return false;
		    }
		    else
		    {
			    SetAlert(true, pFieldID);
			    return true;
		    }
		    break;
    					
	    case 'DTE':															// if it's a date
		    if( validateDate( pField, pFormat ) )
		    {
			    SetAlert(true, pFieldID);
			    return true;
		    }
		    else
		    {
			    SetAlert(false, pFieldID);
			    return false;
		    }
		    break;
    		
	    case 'NUM':
		    if( validateNum( pField, pFormat ) )						// if it's a number
		    {
			    SetAlert(true, pFieldID);
			    return true;
		    }
		    else
		    {
			    SetAlert(false, pFieldID);
			    return false;
		    }
		    break;
    		
	    case 'EML':
		    if( !validateEmail( pField ) )							// if it's an email address
		    {
			    SetAlert(true, pFieldID);
			    return true;
		    }
		    else
		    {
			    SetAlert(false, pFieldID);
			    return false;
		    }
		    break;			
    				
	    }   	   
    return wasError;
}
		
//--------------------------------------------------------------------------------------------
// function:	validateLength()
// description:	validates min/max length of a field
//--------------------------------------------------------------------------------------------	 
function validateLength( pField, pFieldID, pMin, pMax )
{
    var minOK, maxOK, iName;

    iName = "i" + pFieldID;

    minOK = maxOK = true;

    if( pField.value.length < pMin && pMin != 0 ) minOK=false;				// if length < min and min is not zero, then bad
    if( pField.value.length > pMax && pMax != 0 ) maxOK=false;				// if length < min and min is not zero, then bad

    if( !minOK || !maxOK )													// if one of them failed
    {
	  SetAlert(true, pFieldID);
      return true;
    }
    else
    {
	  SetAlert(false, pFieldID);
      return false;
    }
}


//--------------------------------------------------------------------------------------------
// function:	validateAlpha()
// description:	Validates string to see if it is a number
//--------------------------------------------------------------------------------------------	
function validateAlpha( pField )
{
    var err;

    for( i=0; i<pField.length; i++ )
    {                                    
        if( pField.charAt(i) == " " )	err=1;
        if( pField.charAt(i) == "-" )	err=1;
        if( pField.charAt(i) == "!" )	err=1;
        if( pField.charAt(i) == "@" )	err=1;
        if( pField.charAt(i) == "." )	err=1;
        if( pField.charAt(i) > "=" )	err=1;
        if( pField.charAt(i) > ")" )	err=1;
    }

    if( err==1 )	return 1;
    else			return 0;
}

//--------------------------------------------------------------------------------------------
// function:	validateNum()
// description:	Validates string to see if it is a number
//--------------------------------------------------------------------------------------------	
function validateNum( pField, pFormat )
{
    var err;

    for( i=0; i<pField.length; i++ )
    {                                    
        if( pField.charAt(i) < "0" )	err=1;
        if( pField.charAt(i) > "9" )	err=1;
    }

    if( err==1 )	return 1;
    else			return 0;
}

//--------------------------------------------------------------------------------------------
// function:	showAdvice()
// description:	draw the little box on the side of a form
//--------------------------------------------------------------------------------------------	

function showAdvice( message, title, tableName, displayheight )
{
    var NS, IE, cell, isIE;
    var s="";		

    NS = (document.layers) ? 1 : 0;
    IE = (document.all) ? 1: 0;
    IE = true;
    
    

    
    //isIE = /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
    
    if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
     isIE=true;
    }
    else
        isIE = false;

    if( message.length == 0 ) return;

    if( isIE )
	    cell = eval("document.all." + tableName + ".rows[0].cells['help']");

    s="<table width='138' border='1' cellspacing='0' cellpadding='0'><tr><td><table width='90%'>"
    s=s+"<tr><td>" + message
    s=s+"<center><input type='button' name='ok' value='OK' onclick='hideAdvice()'></center>"
    s=s+"</td></tr></table></td></tr></table>"


    s="<table width='138' border='1' cellspacing='0' cellpadding='0' >"


    s=s+"<table border=0 cellspacing=0 cellpadding=0>" 
	    s=s+"<tr><td><img src=/common/images/blank.gif height=" + displayheight + " width=1></td></tr>"
      s=s+"<tr>"
        s=s+"<td width='3%' height='2'><img src='/common/Form/images/frame.topleft.gif' width=20 height=12></td>"
        s=s+"<td background='/common/Form/images/frame.top.gif' width='91%' height=2><img src='/common/Form/images/cleardot.gif' width='2' height='2'></td>"
        s=s+"<td width='6%' height=2><img src='/common/Form/images/frame.topright.gif' width='20' height='12'></td>"
      s=s+"</tr>"
      
      s=s+"<tr height=1 bgcolor='F5F5F5'>"
        s=s+"<td width='3%' background='/common/Form/images/frame.left.upper.gif'><img src='/common/Form/images/cleardot.gif' width='2' height='2'></td>"
        s=s+"<td width='91%' bgcolor='F5F5F5' align='center'>"
        
		    //s=s+"<!-- TITLE BEGIN -->"
				    s=s+"<font face='verdana' size='1'><b>"
				    s=s+ title + "</b></font>"
		    //s=s+"<!-- END TITLE -->"
    		
	    s=s+"</td>"
        s=s+"<td width='6%' background='/common/Form/images/frame.right.upper.gif'><img src='/common/Form/images/cleardot.gif' width='2' height='2'></td>"
     s=s+" </tr>"
      
      s=s+"<tr>"
      s=s+"   <td width='3%'><img src='/common/Form/images/frame.mid.left.gif' width='20' height='5'></td>"
      s=s+"   <td width='91%' background='/common/Form/images/frame.mid.gif'><img src='/common/Form/images/cleardot.gif' width='2' height='2'></td>"
      s=s+"  <td width='6%'><img src='/common/Form/images/frame.mid.right.gif' width='20' height='5'></td>"
      s=s+"</tr>"
      
     s=s+" <tr>" 
     s=s+"   <td width='3%' background='/common/Form/images/frame.left.low.gif'><img src='/common/Form/images/cleardot.gif' width='2' height='2'></td>"
      s=s+"  <td width='91%' bgcolor=#FFFFFF>"
        
      s=s+"  <!-- FORM BEGIN -->"
    	

		    s=s+"<table border=0  cellpadding=0 cellspacing=0 id='groupTable' width='100%'> "   

		    s=s+"<tr>"
		      s=s+"<td colspan='3'></td>"
		    s=s+"</tr>"
    			        
			            s=s+"<!-- FIELDS BEGIN -->"
         

    s=s+"<tr><td background=''><table border=0 >"
    s=s+"<tr><td background=''>" + message 
    //s=s+"<center><input type='image' src'/common/Form/images/other.gif' name='ok' value='OK' onclick='hideAdvice()'></center>" 
    s=s+"</td></tr>"

    	      
		    s=s+"</TD></TR></TABLE>"
		    s=s+"</TD></TR></TABLE>"

        s=s+"<td width='6%' background='/common/Form/images/frame.right.lower.gif'><img src='/common/Form/images/cleardot.gif' width=2 height=2></td>"
     s=s+" </tr>"
      
     s=s+" <tr>"
        s=s+"<td width='3%'><img src='/common/Form/images/frame.bottomleft.gif' width=20 height=20></td>"
        s=s+"<td width='91%' background='/common/Form/images/frame.bottom.gif'><img src='/common/Form/images/cleardot.gif' width=2 height=2></td>"
        s=s+"<td width='6%'><img src='/common/Form/images/frame.bottomright.gif' width=20 height=20></td>"
      s=s+"</tr>"
      				
    s=s+"</table>"


    if( isIE )
	    {
	    cell.innerHTML = s;
	    }
    else if( NS )
	    {
	    s= "<form>" + s + "</form>"
    	
	    //document.layers["adviceLayer"].left = window.screen.availWidth-140;
	    //document.layers["adviceLayer"].top = window.screen.availHeight/2-25;
	    //document.layers["adviceLayer"].position = "absolute"
	    //document.layers["adviceLayer"].visibility = "visible"
	    //document.layers["adviceLayer"].document.open()
	    //document.layers["adviceLayer"].document.write(s)
	    //document.layers["adviceLayer"].document.close()
	    }	
    	
    lastTable = tableName;
}

//--------------------------------------------------------------------------------------------
// function:	hideAdvice()
// description:	hide the little box on the side of a form
//--------------------------------------------------------------------------------------------	

function hideAdvice()
{
    var NS, IE, cell;
    var s="";		

    NS = (document.layers) ? 1 : 0;
    IE = (document.all) ? 1: 0;
    IE = true;
    
    if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
     isIE=true;
    }
    else
        isIE = false;

    if( isIE )
	{
	    if( lastTable != "" )
		    {
		    cell = eval("document.all." + lastTable + ".rows[0].cells['help']");
		    cell.innerText = "";
		    }
	    lastTable=""
	}
    else if( NS )
	{
	    //document.layers["adviceLayer"].visibility = "hidden"
	}
}

//--------------------------------------------------------------------------------------------
// function:	validateEmail()
// description:	make sure that the person enters a valid email address
//--------------------------------------------------------------------------------------------	
function validateEmail( pField )
{
	if(!validateEmailRegex(pField.value))
	{
		alert("Please enter a valid email address.");
        return(false);
	}
	if(!validateEmailBlacklist(pField.value))
	{
		alert("Please enter a valid email address.");
        return(false);
	}
	if(!validationEmailTypos(pField.value))
	{
		alert("Please enter a valid email address.");
        return(false);
	}
    return(true);
}

//--------------------------------------------------------------------------------------------
// function:	MatchFields()
// description:	open up a new browser window
//--------------------------------------------------------------------------------------------	

function matchFields(field1, field2, message)
{
    if( field1.value != field2.value )
	{
		alert(message);
		return false;
	}
	return true;
}
		
		
//--------------------------------------------------------------------------------------------
// function:	checkURLandEmail()
// description:	checks to see if an email address is entered when the applyURL field is available
//              used on the emp/form/jobpostingform.asp
//--------------------------------------------------------------------------------------------

function checkURLandEmail()
{
    //alert("Checking Email and URL");      
    var email = F.FSendToEmail.value;
    var url = F.FApplyURL.value;     

    if (email.length == 0 && url.length ==0)
    {
        alert("Enter an Email Address or URL");
        return false;       
    }        
    if (url.length > 0 && url.indexOf('http://')== -1 && url.indexOf('https://')== -1)
    {
        alert('Invalid Apply URL:  A valid Apply URL should contain "http://"')
        return false;
    }                 
    return true;     
} 
     
//--------------------------------------------------------------------------------------------
// function:	disableSubmit()
// description:	Disables the submit button of a form.  Used on page /js/form/signupform.asp              
//--------------------------------------------------------------------------------------------  
function disableSubmit(F) 
{
	F.submitbutton.value = '   Processing...   ';
	F.submitbutton.disabled = true;
	return true;
}


function checkEmail(F)
{
    var toReturn;
    toReturn = true;
    var email = F.FEmailAddress.value ;
    if (email.length == 0)
    {
        toReturn = true;
    }
    else
    {        
        if (email.indexOf("@") < 0)
        {
            alert("Email must have an '@'");
            toReturn = false;
        }
        if (email.indexOf(".") < 0)
        {
            alert("Email must have an a '.'");
            toReturn = false;      
        }
    }
    return toReturn;
}

//--------------------------------------------------------------------------------------------
// function:	validateBoolean()
// description:	Used to do front end validation on the keyword field when boolean search is chosen
//--------------------------------------------------------------------------------------------

function validateBoolean()
{
    var keywords = document.F.FKeywords.value;
    var searchType = document.F.FSearchType.value;

    var numQuotes = 0;
    var openParens = 0;
    var closedParens = 0;

    var goodQuotes = false;
    var goodParens = false;

    //if there are keywords entered and searchtype is boolean
    if (keywords)
    {
        if (searchType == 5 || searchType == "BOOLEAN")
        {
            //replace all single quotes with double quote
            keywords = keywords.replace(/'/g,"\"");

            //check for odd number of double quotes - error
            numQuotes = keywords.replaceAll('[^"]','').length;
            if ((numQuotes % 2) != 0)
            {
                alert('A boolean keyword search must contain an even number of quotes.');
                return false;
            }
            else 
            {
                //check for unmatched parens - error
                openParens = keywords.replaceAll('[^(]','').length;
                closedParens = keywords.replaceAll('[^)]','').length;
                if (openParens != closedParens)
                {
                    alert('A boolean keyword search must contain an equal number of open and closed parenthesis.');
                    return false;
                }
                else
                {
                    document.F.FKeywords.value = keywords;
                    return true;
                }
            }
        } else {return true;}
    } else {return true;}
}

//--------------------------------------------------------------------------------------------
// function:	validateAll()
// description:	Used to do front end validation on the keyword no " or ' when is not necesary 
//--------------------------------------------------------------------------------------------

function validateAll()
{
    var keywords = document.F.FKeywords.value;
    var searchType = document.F.FSearchType.value;
    //if there are keywords entered and searchtype is boolean
    if (keywords)
    {
        if ((searchType == 2 || searchType == "ALL") || (searchType == 3 || searchType == "ANY")||(searchType == 6 || searchType == "TITLE-ANY")||(searchType == 0 || searchType == "ANY")||(searchType == 1 || searchType == "FREE"))
        {
            //replace all sdouble quotes with nothing
            keywords = keywords.replace(/['"]/g,''); 
            document.F.FKeywords.value = keywords; 
            return true; 
        }
        else 
        {
            return false;
        }
    }
}

//Function used in counting above
String.prototype.replaceAll=function(s1, s2)
{
    return this.replace(new RegExp(s1,"g"), s2);
}

//--------------------------------------------------------------------------------------------
// function:	containsDigit(str)
// description:	returns true if the string passed contains a digit 
//--------------------------------------------------------------------------------------------
function containsDigit(str)
{
    var regex = /\d/g;
    return regex.test(str);
}

//--------------------------------------------------------------------------------------------
// function:	valButton(buttonObject)
// pass radio button, function returns value selected (document.##FORMNAME##.##BUTTONNAME##)
//--------------------------------------------------------------------------------------------
function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) 
    {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}

//--------------------------------------------------------------------------------------------
// function:	validFieldLength(strValue, strName, iMin, iMax)
// description: pass value of field, friendly name of field, min and max length, returns boolean
//              true if length of strValue falls within min and max, false otherwise
//--------------------------------------------------------------------------------------------
function validFieldLength(strValue, strName, iMin, iMax) {
    if ((iMin <= strValue.length) && (strValue.length <= iMax))
    {
        return true;
    } 
    else 
    {
        alert("Please verify your " + strName + ". A valid " + strName + " is " + iMin + " to " + iMax + " characters long.");
        return false;
    }
}

//--------------------------------------------------------------------------------------------
// function:	clickClear(field, default text)
// description: function to clear a text field when it is clicked on
// used on template6
//--------------------------------------------------------------------------------------------
function clickClear(thisfield, defaulttext)
{
	if (thisfield.value == defaulttext)
	{
		thisfield.value = "";
	}
}

//--------------------------------------------------------------------------------------------
// function:	clickRecall(field, default text)
// description: function to recall the default text of a field when it is clicked on
// used on template6
//--------------------------------------------------------------------------------------------
function clickRecall(thisfield, defaulttext)
{
	if (thisfield.value == "")
	{
		thisfield.value = defaulttext;
	}
}

/* NOTE: this is from the common/javascript/beyond/beyond.js file, which this validation should call or be merged with at some point */
function validateEmailRegex(email)
{
    var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    if (filter.test(email))
        return true;
    else
        return false;
}

function validateMultiEmail(email)
{
    email = email.replace(/[\s]|[ ]/g, "");
    var filter = /^(([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+([\,]|[\;]){0,1}([\n])*)+$/;
    if (filter.test(email))
        return true;
    else
        return false;
}

function validateEmailBlacklist(email)
{
    if( email.indexOf("@hotjobs") >= 0 ){return(false);}
	if( email.indexOf("@monster") >= 0 ){return(false);}
	if( email.indexOf("blacklist@") >= 0 ){return(false);}
	if( email.indexOf("bulkmail@") >= 0 ){return(false);}
	if( email.indexOf("devnull@") >= 0 ){return(false);}
	if( email.indexOf("kill@") >= 0 ){return(false);}
	if( email.indexOf("mailer-daemon@") >= 0 ){return(false);}
	
    return true;	
}

function validationEmailTypos(email)
{
/*
    'var filter = /^([@a0l.com])+([@ahoo\.com])+([@ayahoo\.com])+([@ayhoo\.com])+([@cocast\.net])+([@cocmast\.net])+([comast\.net])+([comcas\.net])+([comcst\.net])+([concast\.net])+([gamil\.com])+([gmai\.com])+([gmailcom])+([gmaill\.com])+([gmal\.com])+([homail\.com])+([homtail\.com])+([hotamil\.com])+([hotmal\.com])+([hotmial\.com])+([hotmil\.com])+([yaahoo\.com])+([yah00\.com])+([yahaoo\.com])+([yahho\.com])+([yaho\.com])+([yahool\.com])+([yahooo\.com])+([yahpp\.com])+([yaoo\.com])+([yayoo\.com])+([yhaoo\.com])+([yhoo\.com])+([yohoo\.com])+([yshoo\.com])+$;
    'var filter = /com/;
    'Dim index = -1
    
    'if(inStr(email, "@a0l.com") > -1) then
    'if (filter.test(email))
    '    return true;
    'else
    '    return false;
  */  
  
    email = email.toLowerCase();
    if( email.indexOf("@a0l.com") >= 0 ){return(false);}
    if( email.indexOf("@ahoo.com") >= 0 ){return(false);}
    if( email.indexOf("@ayahoo.com") >= 0 ){return(false);}
    if( email.indexOf("@ayhoo.com") >= 0 ){return(false);}
    if( email.indexOf("@cocast.net") >= 0 ){return(false);}
    if( email.indexOf("@cocmast.net") >= 0 ){return(false);}
    if( email.indexOf("@comast.net") >= 0 ){return(false);}
    if( email.indexOf("@comcas.net") >= 0 ){return(false);}
    if( email.indexOf("@comcst.net") >= 0 ){return(false);}
    if( email.indexOf("@concast.net") >= 0 ){return(false);}
    if( email.indexOf("@gamil.com") >= 0 ){return(false);}
    if( email.indexOf("@gmai.com") >= 0 ){return(false);}
    if( email.indexOf("@gmaill.com") >= 0 ){return(false);}
    if( email.indexOf("@gmal.com") >= 0 ){return(false);}
    if( email.indexOf("@homail.com") >= 0 ){return(false);}
    if( email.indexOf("@homtail.com") >= 0 ){return(false);}
    if( email.indexOf("@hotamil.com") >= 0 ){return(false);}
    if( email.indexOf("@hotmai.com") >= 0 ){return(false);}
    if( email.indexOf("@hotmal.com") >= 0 ){return(false);}
    if( email.indexOf("@hotmial.com") >= 0 ){return(false);}
    if( email.indexOf("@hotmil.com") >= 0 ){return(false);}
    if( email.indexOf("@yaahoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yah00.com") >= 0 ){return(false);}
    if( email.indexOf("@yahaoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yahho.com") >= 0 ){return(false);}
    if( email.indexOf("@yaho.com") >= 0 ){return(false);}
    if( email.indexOf("@yahool.com") >= 0 ){return(false);}
    if( email.indexOf("@yahooo.com") >= 0 ){return(false);}
    if( email.indexOf("@yahpp.com") >= 0 ){return(false);}
    if( email.indexOf("@yaoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yayoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yhaoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yhoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yohoo.com") >= 0 ){return(false);}
    if( email.indexOf("@yahoo.cm") >= 0 ){return(false);}
    if( email.indexOf("@yshoo.com") >= 0 ){return(false);}
    if( email.indexOf(".cmo") >= 0 ){return(false);}
	if( email.indexOf(".hotmial") >= 0 ){return(false);}
	if( email.indexOf(".htomail") >= 0 ){return(false);}
	if( email.indexOf(".yhoo") >= 0 ){return(false);}
	if( email.indexOf(".hotmial") >= 0 ){return(false);}
    if( email.indexOf(".ogr") >= 0 ){return(false);}
	if( email.indexOf(".eud") >= 0 ){return(false);}
	if( email.indexOf(".rog") >= 0 ){return(false);}
	if( email.indexOf(".deu") >= 0 ){return(false);}
	if( email.indexOf(".nte") >= 0 ){return(false);}
	if( email.indexOf(".txt") >= 0 ){return(false);}

    return true;	
}