var timeOut;
function textCounter(fieldName, countfield, maxlimit) {
    var testField = document.getElementById(fieldName);
    if (testField.value.length > maxlimit){
        testField.value = testField.value.substring(0, maxlimit);
        }
    else{ 
        document.getElementById(countfield).innerHTML = "<font color=red>" + (maxlimit - testField.value.length) + " characters remaining.</font color=red>";
        }
}

ValidateEmail = function (){
    var thiselement = window.event.srcElement;
	if(thiselement.value.length > 0){
	    if(!IsEmail(thiselement)){
			thiselement.style.color="#ff0000";
			alert('Invalid e-mail address');
			return false;
		}
	}
	thiselement.style.color = "#000000";
	return true;
}

IsEmail = function(thiselement){
    var RegExPattern = /^(?=\d)(?:(?:(?:(?:(?:0?[13578]|1[02])(\/)31)\1|(?:(?:0?[1,3-9]|1[0-2])(\/)(?:29|30)\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})|(?:0?2(\/)29\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))|(?:(?:0?[1-9])|(?:1[0-2]))(\/)(?:0?[1-9]|1\d|2[0-8])\4(?:(?:1[6-9]|[2-9]\d)?\d{2}))($|\ (?=\d)))?(((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))|([01]\d|2[0-3])(:[0-5]\d){1,2})?$/;
	if(thiselement.value.match(RegExPattern)){
		return true;
	}
	return false;
}

function emailCheck (emailStr) {
    /* The following pattern is used to check if the entered e-mail address
       fits the user@domain format.  It also is used to separate the username
       from the domain. */
    var emailPat=/^(.+)@(.+)$/
    /* The following string represents the pattern for matching all special
       characters.  We don't want to allow special characters in the address. 
       These characters include ( ) < > @ , ; : \ " . [ ]    */
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
    /* The following string represents the range of characters allowed in a 
       username or domainname.  It really states which chars aren't allowed. */
    var validChars="\[^\\s" + specialChars + "\]"
    /* The following pattern applies if the "user" is a quoted string (in
       which case, there are no rules about which characters are allowed
       and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
       is a legal e-mail address. */
    var quotedUser="(\"[^\"]*\")"
    /* The following pattern applies for domains that are IP addresses,
       rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
       e-mail address. NOTE: The square brackets are required. */
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
    /* The following string represents an atom (basically a series of
       non-special characters.) */
    var atom=validChars + '+'
    /* The following string represents one word in the typical username.
       For example, in john.doe@somewhere.com, john and doe are words.
       Basically, a word is either an atom or quoted string. */
    var word="(" + atom + "|" + quotedUser + ")"
    // The following pattern describes the structure of the user
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
    /* The following pattern describes the structure of a normal symbolic
       domain, as opposed to ipDomainPat, shown above. */
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


    /* Finally, let's start trying to figure out if the supplied address is
       valid. */

    /* Begin with the coarse pattern to simply break up user@domain into
       different pieces that are easy to analyze. */
    var matchArray=emailStr.match(emailPat)
    if (matchArray==null) {
      /* Too many/few @'s or something; basically, this address doesn't
         even fit the general mould of a valid e-mail address. */
	    alert("Email address seems incorrect (check @ and .'s)")
	    return false
    }
    var user=matchArray[1]
    var domain=matchArray[2]

    // See if "user" is valid 
    if (user.match(userPat)==null) {
        // user is not valid
        alert("The username doesn't seem to be valid.")
        return false
    }

    /* if the e-mail address is at an IP address (as opposed to a symbolic
       host name) make sure the IP address is valid. */
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null) {
        // this is an IP address
	      for (var i=1;i<=4;i++) {
	        if (IPArray[i]>255) {
	            alert("Destination IP address is invalid!")
		    return false
	        }
        }
        return true
    }

    // Domain is symbolic name
    var domainArray=domain.match(domainPat)
    if (domainArray==null) {
	    alert("The domain name doesn't seem to be valid.")
        return false
    }

    /* domain name seems valid, but now make sure that it ends in a
       three-letter word (like com, edu, gov) or a two-letter word,
       representing country (uk, nl), and that there's a hostname preceding 
       the domain or country. */

    /* Now we need to break up the domain to get a count of how many atoms
       it consists of. */
    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>3) {
       // the address must end in a two letter or three letter word.
       alert("The address must end in a three-letter domain, or two letter country.")
       return false
    }

    // Make sure there's a host name preceding the domain.
    if (len<2) {
       var errStr="This address is missing a hostname!"
       alert(errStr)
       return false
    }

    return true;
    }


 
 ValidatePhoneNumber = function(){   
  if (navigator.userAgent.search(/Safari|Konqueror|KHTML/gi) > -1) {
    return true;
   } 
  if(!IsPhoneNumber()){          
    return false;               
   }                               

    return true;                    
}                                   

IsPhoneNumber = function(){                                                    
    var element = window.event.srcElement;                                      
    var keyCode = window.event.keyCode;                                         
	if(element.value.length >12){
	    return false;
	}
    if (keyCode == 8 || keyCode == 46){  
      // Delete/Backspace keys -- forces onChange to be called in onBlur      
        element.changed = true;                                                 
        return true;                                                            
    }                                                                           
    var keyChar = String.fromCharCode(keyCode).toLowerCase();                   
    var validNumbers = '0123456789';                                            
    if (validNumbers.indexOf(keyChar) < 0){                                                                           
        return false;                                                           
    }                                                                           
    if(element.value.length == 3 || element.value.length == 7){                                              
        element.value += "-";                                               
    }                                                                           
    return true;                                                            
    }
    
ValidateDate = function(){
    var thiselement = window.event.srcElement;
	if(thiselement.value.length > 0){
	    if(!IsValidDate(thiselement)){
			thiselement.style.color="#ff0000";
			alert('Invalid date');
			return false;
		}
	}
	thiselement.style.color = "#000000";
	return true;
}
			
IsValidDate = function(thiselement){
	var RegExPattern = /^(?=\d)(?:(?:(?:(?:(?:0?[13578]|1[02])(\/)31)\1|(?:(?:0?[1,3-9]|1[0-2])(\/)(?:29|30)\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})|(?:0?2(\/)29\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))|(?:(?:0?[1-9])|(?:1[0-2]))(\/)(?:0?[1-9]|1\d|2[0-8])\4(?:(?:1[6-9]|[2-9]\d)?\d{2}))($|\ (?=\d)))?(((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))|([01]\d|2[0-3])(:[0-5]\d){1,2})?$/;
	if(thiselement.value.match(RegExPattern)){
		return true;
	}
	return false;
}
function getURL(uri) {
    uri.dir = location.href.substring(0, location.href.lastIndexOf('\/'));
    uri.dom = uri.dir; 
    if (uri.dom.substr(0,7) == 'http:\/\/') 
        uri.dom = uri.dom.substr(7);
    uri.path = '';
    var pos = uri.dom.indexOf('\/');
    if (pos > -1) {
        uri.path = uri.dom.substr(pos+1);
        uri.dom = uri.dom.substr(0,pos);
    }
    uri.page = location.href.substring(uri.dir.length+1, location.href.length+1);
    pos = uri.page.indexOf('?');
    if (pos > -1) {
        uri.page = uri.page.substring(0, pos);
    }
    pos = uri.page.indexOf('#');
    if (pos > -1) {
        uri.page = uri.page.substring(0, pos);
    }
    uri.ext = '';
    pos = uri.page.indexOf('.');
    if (pos > -1) {
        uri.ext =uri.page.substring(pos+1);
        uri.page = uri.page.substr(0,pos);
    }
    uri.file = uri.page;
    if (uri.ext != '') 
        uri.file += '.' + uri.ext;
    if (uri.file == '')
        uri.page = 'index';
    uri.args = location.search.substr(1).split("?");
    return uri;
}
resetStyle = function(){
	var thiselement = window.event.srcElement;
	thiselement.style.color = "#000000";
}

displayTimeOut = function(timeOutInterval){
    var uri = new Object();
    getURL(uri);
    if (uri.page!=="Login" && uri.page!=="multmenu"){
        if (timeOut === undefined)
        {
            timeOut = timeOutInterval;
        }
        var test = confirm("Your Session is about to time out.  Would you like to renew it? \n(cancelling will expire the session now)");
        if (test){
            setTimeout('displayTimeOut()',timeOut);
            //keepSessionAlive(timeOutInterval);
	        //window.open("sessionrenew.aspx",500,250);
	    }
	    else{ 
	        top.location.href="default.aspx";
	    }
	}
//keepSessionAlive();
}

redirectTimeout = function(){
	    top.location.href="default.aspx";
}
function keepSessionAlive(timeOutInterval){
      var domTableValid;
	  domTableValid = RequestValidation({SESSION:"renew"},"sessionrenew.aspx");
      setTimeout('keepSessionAlive();',timeOutInterval);
}