//wlwWeb 1.6.7

// PN2 Lookup Framework
function newlookup(type, buttonObj, params) {
    for (var i = 0; i < buttonObj.form.elements.length; i++) {
        if (buttonObj.form.elements[i] == buttonObj) {
            window.open("/WLWWeb/Controller.jpf?type=lookup&field="+escape(type)+"&obj="+escape(buttonObj.form.elements[i-1].name)+"&search="+escape(buttonObj.form.elements[i-1].value)+"&hidden-params="+escape(params),"lookup","dependent=yes,location=no,menubar=no,resizable=yes,personalbar=no,scrollbars=yes,status=yes,toolbar=yes");
        }
    }
    return false;
}


function lookup(type, buttonObj) {
    for (var i = 0; i < buttonObj.form.elements.length; i++) {
        if (buttonObj.form.elements[i] == buttonObj) {
            window.open("/WLWWeb/Controller.jpf?type=lookup&field="+escape(type)+"&obj="+escape(buttonObj.form.elements[i-1].name)+"&search="+escape(buttonObj.form.elements[i-1].value),"lookup","dependent=yes,location=no,menubar=no,resizable=yes,personalbar=no,scrollbars=yes,status=yes,toolbar=yes");
        }
    }
    return false;
}

//get cookie - helper function
function getCookieVal (offset) {
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
        endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

//get cookie by name
function getCookie (name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg)
            return getCookieVal (j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break; 
    }
    return null;
}

//attach event listener to object
function addEvent(obj, evType, fn) { 
    if (obj.addEventListener) { 
        obj.addEventListener(evType, fn, true); 
        return true; 
    } else if (obj.attachEvent) { 
        var r = obj.attachEvent("on"+evType, fn); 
        return r; 
    } else { 
        return false; 
    } 
}

//intelligent form clear - clears textfields and textareas, sets dropdown lists to 1st option, unticks checkboxes
function clearForm() {
    var inputs = document.getElementsByTagName('input');
    for (var i=0;i<inputs.length;i++) {
        if (inputs[i].type=='text')
            inputs[i].value = "";
        if (inputs[i].type=='checkbox')
            inputs[i].checked = false;
    }
    inputs = document.getElementsByTagName('textarea');
    for (var i=0;i<inputs.length;i++) {
        inputs[i].value = "";
    }
    inputs = document.getElementsByTagName('select');
    for (var i=0;i<inputs.length;i++) {
        inputs[i].value = inputs[i].options[0].value;
    }
}

//uppercase and space-trim
function uctrim(str) {
    return (str!=null) ? str.toUpperCase().replace(/^\s*|\s*$/g,"") : null;
}

// Moved the page zoom on change event from template.jsp to this js
// On 12 May 06
function changeDocumentZoom(val) {
   if(isNaN(val) || val < 30 || val > 300) { 
        alert('Please enter a zoom level between 30% and 300%'); 
   } else { 
        document.body.style.zoom=val/100;
   }    
}

//save values of "sticky" fields for future use
function saveSearch() {

    if (!document.getElementsByTagName) {
        alert ("This feature is not supported on Netscape 4.");
        return;
    }

    //go through input elements
    var inputs = document.getElementsByTagName('input');
    var ff = new Object();
    for (var j=0;j<inputs.length;j++) {
        if (inputs[j].type=='text' && !inputs[j].readonly && !inputs[j].disabled) {
            if(inputs[j].className != 'bypassUctrim'){
                inputs[j].value = uctrim(inputs[j].value);
            }
            
            if (inputs[j].className=='sticky' && inputs[j].value!=null && inputs[j].value.length > 0)
                ff[inputs[j].name] = inputs[j].value;
        }

        if (inputs[j].type=='checkbox' && !inputs[j].readonly && !inputs[j].disabled) {
            if (inputs[j].className=='sticky')
                if (inputs[j].checked)
                    ff[inputs[j].name + inputs[j].value] = 'true';
                else
                    ff[inputs[j].name + inputs[j].value] = 'false';
        }

        if (inputs[j].type=='radio' && !inputs[j].readonly && !inputs[j].disabled) {
            if (inputs[j].className=='sticky')
                if (inputs[j].checked)
                    ff[inputs[j].name] = inputs[j].value;
        }
    }
    inputs = document.getElementsByTagName('textarea');
    for (var j=0;j<inputs.length;j++) {
        if(inputs[j].className != 'bypassUctrim'){
            inputs[j].value = uctrim(inputs[j].value);
        }
        if (inputs[j].className=='sticky' && inputs[j].value!=null && inputs[j].value.length > 0 && !inputs[j].readonly && !inputs[j].disabled)
            ff[inputs[j].name] = inputs[j].value;
    }
    inputs = document.getElementsByTagName('select');
    for (var j=0;j<inputs.length;j++) {
        if (inputs[j].className=='sticky' && inputs[j].value!=null && inputs[j].value.length > 0 && !inputs[j].readonly && !inputs[j].disabled)
            ff[inputs[j].name] = inputs[j].value;
    }

    //persist favourite search settings
    var ffString = "";
    for (var ffKey in ff) {
        if (ffString.length > 0)
            ffString += "~~~~";
        ffString += ffKey + "~~" + ff[ffKey];
    }

	//To check if the cookie has exceeded its maximum size limit of 4KB.
	var scName = escape(document.title.replace(/\s*/g,""));
	var scValue = escape(ffString);

	var scCurSize = document.cookie.split(';');
	var scFnlSize = 0;

	if (scCurSize.length <= 3) scFnlSize = 0;
	else {
		for (var k = 0;k < scCurSize.length - 3;k++) {
			//Remove white spaces
			while (scCurSize[k].charAt(0)==' ') scCurSize[k] = scCurSize[k].substring(1,scCurSize[k].length);
        	scFnlSize += scCurSize[k].length;
    	}
		scFnlSize = (scFnlSize - k) + (k * 74);
	}
	
	var toAddSize = scName.length + scValue.length + 74;
	
	if ((scFnlSize + toAddSize) >= 3500) {
    	
    	var scAnswer = confirm("Your cookie has reached its maximum size limit. In order to continue, previous save searches for this web application will be removed. Proceed?"); 
        if (scAnswer) {
            delCookie();            
		    document.cookie=escape(document.title.replace(/\s*/g,"")) + "=" + escape(ffString) +"; path=/"+escape(document.URL.split("/")[3])+"; expires=Fri, 31 Dec 2010 20:20:20 UTC";
		    alert("Search saved for future use.");
    	} else{
            alert("Search not saved!");
        }
    
    } else {
		//Added the WebApp name to this cookie path, so only this WebApp can able to read the cookie back - 20 Apr 06
    	document.cookie=escape(document.title.replace(/\s*/g,"")) + "=" + escape(ffString) +"; path=/"+escape(document.URL.split("/")[3])+"; expires=Fri, 31 Dec 2010 20:20:20 UTC";

    	alert("Search saved for future use.");
    }

}

var submitted = false;
var multiple = false;
var childWin;
var jsessionid;

//apply styles/behaviours after page load
function postRender(obj) {

    //no support for NS4
    if (!document.getElementsByTagName)
        return;
    
    //no support for non-HTTP
    if (window.location.protocol != "http:" && window.location.protocol != "https:")
        return;

    //if i am a child, notify my parent that I have loaded.
    //as a child, don't run postRender() formatting code.
    if (window.parent != null && window.parent != self) {
        if (typeof(window.parent.childLoaded) != "undefined") {
            window.parent.childLoaded(obj);
            return;
        }
    }

    jsessionid = getCookie("JSESSIONID");
    if (jsessionid==null && document.title.indexOf("Error") == -1) {    //no cookies, no access
        location.replace("/WLWWeb/cookie_error.jsp");
        return;
    }

    //colorize tables
    var tables = document.getElementsByTagName('table');
    for (var i=0;i<tables.length;i++) {
        if (tables[i].className=='altrows') {
            var trs = tables[i].getElementsByTagName('tbody')[0].getElementsByTagName('tr');
            for (var j=0;j<trs.length;j++)
                if (trs[j].className != 'tablehead')
                    trs[j].className='row'+(j%2);
        }
    }

    //load favourite vessel / voyage list from cookie
    var fvvString = getCookie ("fvv");
    if (fvvString==null)
        fvvArray = new Array();
    else
        fvvArray = fvvString.split("~~~");

    //load previous saved search, if any. Only do this if first time entering transaction
    var ff = new Object();
    if (document.location.href.indexOf(".jpf") != -1) {
        var ffString = getCookie (escape(document.title.replace(/\s*/g,"")));
        if (ffString!=null) {
            var ffKeyVal = ffString.split("~~~~");
            for (var i = 0; i < ffKeyVal.length; i++) {
                var ffKey = (ffKeyVal[i].split("~~"))[0];
                var ffVal = (ffKeyVal[i].split("~~"))[1];
                ff[ffKey] = ffVal;
            }
        }
    }
    
    // Added on 12 May 06 - to persist the page zoom
    var zoomPer = getCookie("pgzoom");
    
    //go through form elements, adding functionality
    var inputs = document.getElementsByTagName('input');
    for (var i=0;i<inputs.length;i++) {

        //add handler to uppercase & trim
        //populate favourite search, if applicable
        if (inputs[i].type=='text' && !inputs[i].readonly ) {
        
            if(inputs[i].className.search('\\bbypassUctrim\\b') == -1){
                inputs[i].onblur = function () { this.value = uctrim(this.value); } ;
            }
            if(inputs[i].className.search('\\bautotab\\b') != -1){
                // If I'm not mistaken, IE doesn't pass the event as parameter, put
                // puts it in as window.event. Therefore, I'd add (untested):
                inputs[i].onkeyup= function(event){autoTab(this, event || window.event);};
            }
            if (inputs[i].className=='sticky' && ff[inputs[i].name]!=null) {
                inputs[i].value = ff[inputs[i].name];
                if (inputs[i].onchange)
                    inputs[i].onchange();
            }
        }

        if (inputs[i].type=='checkbox' && !inputs[i].readonly && !inputs[i].disabled) {
            if (inputs[i].className=='sticky' && ff[inputs[i].name + inputs[i].value]!=null) {
                if (ff[inputs[i].name + inputs[i].value]=='true')
                    inputs[i].checked = true;
                else
                    inputs[i].checked = false;
                if (inputs[i].onchange)
                    inputs[i].onchange();
            }
        }

        if (inputs[i].type=='radio' && !inputs[i].readonly && !inputs[i].disabled) {
            if (inputs[i].className=='sticky' && ff[inputs[i].name]!=null)
                if (ff[inputs[i].name]==inputs[i].value) {
                    inputs[i].checked = true;
                    if (inputs[i].onchange)
                        inputs[i].onchange();
                }
        }

        //add handler to prevent multiple submits
        if (inputs[i].type=='button' || inputs[i].type=='submit' || inputs[i].type=='reset') {
            if (inputs[i].className=='multiple')
                inputs[i].onclick = function () { multiple = true; return true; } ;
        }

        // Added on 12 May 06 
        // To persist the user's page zoom customization back from cookie
        if (inputs[i].type=='text' && inputs[i].name=="pagezoom" && zoomPer != null && zoomPer.length > 0) {
            document.body.style.zoom=zoomPer/100;
            inputs[i].value=zoomPer;
        }

        //create favourite vessel / voyage dropdown
        if (inputs[i].type=='text' && inputs[i].className.indexOf('voy')!=-1 & fvvArray.length>0) {
            var newSelect = document.createElement("select");
            
            //add title
            var newOption = document.createElement("option");
            newOption.text = "-- (favourites) --";
            newOption.value = "";
            newOption.style.cssText="color:#aaaaaa";
            newSelect.options.add(newOption);

            //sort vsls/voys alphabetically and add
            var fvvSortArray = new Array();
            for (var j = 0; j < fvvArray.length; j++) {
                fvvSortArray[j] = fvvArray[j];
            }
            fvvSortArray.sort();
            for (var j = 0; j < fvvArray.length; j++) {
                newSelect.options[newSelect.options.length] = new Option(fvvSortArray[j],fvvSortArray[j]);
            }
            
            //add onchange handler to the select to populate the textfields
            newSelect.vsl = inputs[i - 1];
            for (var j = i - 1; j >= 0; j--) {
                if (inputs[j].className.indexOf('vsl') != -1) {
                    newSelect.vsl = inputs[j];
                    break;
                }
            }
            newSelect.voy = inputs[i];            
            newSelect.onchange = function () {
                if (this.value!=null && this.value.length > 0) {
                    this.vsl.value = this.value.split(" / ")[0];
                    this.voy.value = this.value.split(" / ")[1];
                } else {
                    this.vsl.value = "";
                    this.voy.value = "";
                }
            } ;

            //add to DOM
            inputs[i].parentNode.appendChild(document.createTextNode("     "));
            inputs[i].parentNode.appendChild(newSelect);
        }
    }

    //for textarea elements, add handler to uppercase & trim
    //populate favourite search
    inputs = document.getElementsByTagName('textarea');
    for (var i=0;i<inputs.length;i++) {
        if(inputs[i].className != 'bypassUctrim'){
            inputs[i].onblur = function () { this.value = uctrim(this.value); } ;
        }
        

        if (inputs[i].className=='sticky' && ff[inputs[i].name]!=null && !inputs[i].readonly && !inputs[i].disabled) {
            inputs[i].value = ff[inputs[i].name];
            if (inputs[i].onchange)
                inputs[i].onchange();
        }
    }
    
    //for selects, populate favourite search
    inputs = document.getElementsByTagName('select');
    for (var i=0;i<inputs.length;i++) {
        if (inputs[i].className=='sticky' && ff[inputs[i].name]!=null && !inputs[i].readonly && !inputs[i].disabled) {
            inputs[i].value = ff[inputs[i].name];
            if (inputs[i].onchange)
                inputs[i].onchange();
        }
    }

    
    //add form submit handler
    var forms = document.getElementsByTagName('form');
    for (var i=0;i<forms.length;i++) {
        forms[i].onsubmit = function () {
 
            //disable multiple form submits
            if (submitted) { 
                alert("Your request is still being processed. Please wait...");
                return false; 
            }
            
            if (multiple!=true)
                submitted = true; 
            multiple = false;

            //go through input elements
            var inputs = document.getElementsByTagName('input');
            for (var j=0;j<inputs.length;j++) {
                if (inputs[j].type=='text') {

                    //do final format
                    if(inputs[j].className != 'bypassUctrim'){
                        inputs[j].value = uctrim(inputs[j].value);
                    }

                    //process favourite vessel/voyage
                    if (inputs[j].className.indexOf('voy') != -1) {
                        //add to favourite vessel / voyage list (and remove oldest one)
                        var currVsl = inputs[j - 1].value
                        for (var k = j - 1; k >= 0; k--) {
                            if (inputs[k].className.indexOf('vsl') != -1) {
                                currVsl = inputs[k].value;
                                break;
                            }
                        }
                        var currVoy = inputs[j].value;
                        if (currVsl.length > 0 && currVoy.length > 0) {
                            var currVslVoy = currVsl + " / " + currVoy;                            
                            //move duplicates to front of queue
                            for (var k = 0; k < fvvArray.length; k++) {
                                if (fvvArray[k] == currVslVoy) {
                                    fvvArray.splice(k,1);
                                }
                            }
                            fvvArray[fvvArray.length] = currVslVoy;
                            if (fvvArray.length > 10) {
                                fvvArray.splice(0, fvvArray.length - 10);
                            }
                        }
                    } else if (inputs[j].name=="pagezoom") {
                        // Added on 12 May 06
                        // Save the user's page zoom customization to "pgzoom" cookie
                        // If user change the page zoom back to 100, 
                        //      this part delets the existing "pgzoom" cookie
                        var zoomVal = inputs[j].value;   
                        if(zoomVal != 100) {
                            document.cookie="pgzoom=" +escape(zoomVal)+"; expires=Fri, 31 Dec 2010 20:20:20 UTC";
                        } else {
                            if(getCookie("pgzoom") != null) {
                                expiryDate=new Date();
                                expiryDate.setDate(expiryDate.getDate()-1);
                                document.cookie="pgzoom="+escape(zoomVal)+"; expires="+expiryDate.toGMTString();
                            }
                        }
                    }   
                }
            }
            inputs = document.getElementsByTagName('textarea');
            for (var j=0;j<inputs.length;j++){
                    //do final format
                    if(inputs[j].className != 'bypassUctrim'){
                        inputs[j].value = uctrim(inputs[j].value);
                    }
            }

            //persist favourite vessel/voyage
            fvvString = fvvArray.join("~~~");
            
            //Changed the fvv cookie made available to all portnet sub-domains, e.g. "*.portnet.*" or "*.cussid.*"
            //On 20-Apr-06
            var domainName=document.domain.toLowerCase();

            var domainIndex=-1;
            if( (domainIndex=domainName.indexOf(".cussid."))!=-1 || 
                  (domainIndex=domainName.indexOf(".portnet."))!=-1 ) {
                document.cookie="fvv=" + escape(fvvString) +"; path=/; domain="+escape(domainName.substr(domainIndex))+"; expires=Fri, 31 Dec 2010 20:20:20 UTC";
            } else {
                document.cookie="fvv=" + escape(fvvString) +"; path=/; expires=Fri, 31 Dec 2010 20:20:20 UTC";
            }
            
            document.cookie="JSESSIONID=" + jsessionid +"; path=/;";
            
            if (typeof(window.rpc)!="undefined" && window.rpc!=null) {
                this.target = 'rpc';
            }
            return true;
        } ;
    }

    //finally, ensure that hyperlinks are also loaded into the iframe, unless (a) explicit popup or (b) external link
    var inputs = document.getElementsByTagName('a');
    for (var i=0;i<inputs.length;i++) {
        if (typeof(window.rpc)!="undefined" && window.rpc!=null) {
            //if (inputs[i].href.indexOf("/") == -1) {
                if (inputs[i].target==null || inputs[i].target=="" || inputs[i].target=="_top" || inputs[i].target=="_self") {
                    inputs[i].target = 'rpc';
                }
            //}
        }
        addEvent(inputs[i], "click", function () { document.cookie="JSESSIONID=" + jsessionid +"; path=/;"; } ); 
    }
    
    prepareTimeoutWarning();
}

//this function is called whenever a child page (from an iFrame or pop-up window) has completely
//loaded. we only care if a child page in an iFrame is loaded. In this case, if it is an error
//page, we present a pop-up window. Else, we replace the current page with the new one.
function childLoaded(obj) {

    if (obj != window.rpc.document.body && obj != window.rpc) {
        //not called from iFrame
        return;
    }

    if (window.rpc.document.title.indexOf("Validation Errors") != -1) {
		childWin = window.open('', 'errWin', 'dependent=yes,directories=no,height=200,width=400,location=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no');
        var newHTML = '<' + window.rpc.document.documentElement.tagName + '>\n'
                        + window.rpc.document.documentElement.innerHTML
                        + '\n</' + window.rpc.document.documentElement.tagName + '>';

        childWin.document.open('text/html');
        childWin.document.write(newHTML);
        childWin.document.close();

        childWin.focus();

        submitted = false;
    
    } else {
        if (typeof(childWin)!="undefined" && childWin!=null) {
            childWin.close();
            childWin=null;
        }
        
        var newHTML = '<' + window.rpc.document.documentElement.tagName + '>\n'
        + window.rpc.document.documentElement.innerHTML 
        + '\n</' + window.rpc.document.documentElement.tagName + '>';

        var newDoc = document.open("text/html", "replace");
        newDoc.write(newHTML);
        newDoc.close();
    }
}

// This function will trigger a warning to the user to extend the session, once n millisecs have passed. 
function prepareTimeoutWarning()
{
    if (top.nav != null)
    {
        clearTimeout(); // reset the timer
	
        setTimeout('displayTimeoutWarning()', 45 * 1000 * 60); // display timeout warning after n millisecs of inactivity, n = 45 * 1000 * 60 (or 45 minutes)
    }
}

// This function warns the user to extend the session to avoid being logged out. 
// If the user responds 'Ok' within x millisecs, the session will be extended and the timeout warning will be resetted. 
// Else if the user responds 'Cancel' within x millisecs, the session(s) will be invalidated and the user would see the logout page. 
// Else if the user does not respond within x millisecs, the user would see the timeout page. 
function displayTimeoutWarning()
{
    if (top.nav != null)
    {
        var before = new Date();
        
        var answer = window.confirm("Your session will be terminated in 15 minutes. \nPlease respond to avoid being logged out. \nWould you like to continue?");
        
        var now = new Date();
        
        if (now.getTime() - before.getTime() < 15 * 1000 * 60) // x millisecs before actual user session timeout, x = 15 * 1000 * 60 (or 15 minutes)
        {
            if (answer) 
            {
                top.nav.location.reload(); // refresh the session if he would like to continue
              
                prepareTimeoutWarning(); // re-prepare for session timeout warning
            }
            
            else
            {
                top.location.replace('/MENUWeb/com/pn2/menu/web/logout.do'); // log the user out normally (i.e. invalidate sessions) if he does not wish to continue
            }
        }
        
        else
        {
            top.location.replace('/WebPublic/timeout.jsp'); // log the user out nonetheless (i.e. sessions already timed out)
        }
    }
}

//This enables the autoTab function.
function autoTab(eCtrl, e)
{
	var agent  = navigator.userAgent.toLowerCase();
	var isNN = (agent.indexOf("netscape")!=-1);

	var keyCode;
	var filter;
    
    if (isNN)
	{
		keyCode = e.which;

		filter = [0,8,9];
	}else{
        keyCode = e.keyCode;

		filter = [0,8,9,16,17,18,37,38,39,40,46];
    
    }

	if (eCtrl.value.length >= eCtrl.getAttribute("maxlength") && !containsElement(filter,keyCode))
	{
		eCtrl.value = eCtrl.value.slice(0, eCtrl.getAttribute("maxlength"));

		eCtrl.form[(getIndex(eCtrl)+1) % eCtrl.form.length].focus();
	}

	function containsElement(arr, ele)
	{
		var found = false, index = 0;

		while (!found && index < arr.length)

		if (arr[index] == ele)
			found = true;
		else
			index++;

		return found;
	}

	function getIndex(eCtrl)
	{
		var index = -1, i = 0, found = false;

		while (i < eCtrl.form.length && index == -1)

		if (eCtrl.form[i] == eCtrl)
			index = i;
		else i++;
			return index;
	}

	return true;
}

//Delete all existing cookies.
function delCookie() {
	var ca = document.cookie.split(';');
	
	for(var i=0;i < ca.length - 3;i++) {
        //Remove white spaces
		while (ca[i].charAt(0)==' ') ca[i] = ca[i].substring(1,ca[i].length);
		var ckname = ca[i].split('=');

	var expires = -1;
	var value = "";

    var cookie_date = new Date ( );
    cookie_date.setTime ( cookie_date.getTime() - 1 );
   	document.cookie=escape(ckname[0]) + "=; path=/"+escape(document.URL.split("/")[3])+"; expires=" + cookie_date.toGMTString();

	}
}