// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
//
// Title : G-Forces Web Management Ltd Main site functions
// Author : Developers / Developers@gforces.co.uk / G-Forces Web Management Ltd
//
// Description : Core functionality for standard sites developed by G-Forces Web Management Ltd
//
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

function changeTab(id){
	switch(id){
		case "contentWebManagement":
			restTabs('tabWebManagement', id );
		break;
		case "contentWebMarketing":
			restTabs( 'tabWebMarketing', id );
		break;
		case "contentRecentlyLaunched":
			restTabs( 'tabRecentlyLaunched', id );
		break;
		case "contentPartnerProgramme":
			restTabs( 'tabPartnerProgramme', id );
		break;
		case "contentDigital":
			restTabs( 'tabDigital', id );
		break;
	}
}

function restTabs( name,tabName ){

	document.getElementById('contentWebManagement').style.display='none';
	document.getElementById('contentWebMarketing').style.display='none';
	document.getElementById('contentRecentlyLaunched').style.display='none';
	document.getElementById('contentPartnerProgramme').style.display='none';
	document.getElementById('contentDigital').style.display='none';
	document.getElementById('tabWebManagement').className='tabWebManagement';
	document.getElementById('tabWebMarketing').className='tabWebMarketing';
	document.getElementById('tabRecentlyLaunched').className='tabRecentlyLaunched';
	document.getElementById('tabPartnerProgramme').className='tabPartnerProgramme';
	document.getElementById('tabDigital').className='tabDigital';

	try{
		nameOver = name + 'Over';
		document.getElementById(name).className=nameOver;
		//document.getElementById(name).style.backgroundUrl='../images/layup/tabCorporateOver.png';
		document.getElementById(tabName).style.display='block';
	}
	catch(err){
		//alert( name + 'cant be found' );	
	}
}


function theflash(movie, width, height) {
	document.writeln('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="' + width + '" height="' + height + '">');
    document.writeln('<param name="movie" value="' + movie + '">');
	document.writeln('<param name="quality" value="high" />');
	document.writeln('<param name="menu" value="false">');
	document.writeln('<param name="wmode" value="transparent">');
	document.writeln('<embed src="' + movie + '" width="' + width + '" height="' + height + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" menu="false" wmode="transparent"></embed>');
    document.writeln('</object>');
}

//Set Cookie Function
function setCookie(name, value, expires, path, domain, secure) {
	document.cookie = name + "=" + escape(value) +
	((expires == null) ? "" : "; expires=" + expires.toGMTString()) +
	((path == null) ? "" : "; path=" + path) +
	((domain == null) ? "" : "; domain=" + domain) +
	((secure == null) ? "" : "; secure");
}

function open_window(fileName, windowName, windowWidth, windowHeight, scrollbars, resizable) {
	window.open(fileName, windowName, 'toolbar=no, location=no, directories=no, status=yes, menubar=no, scrollbars=' + scrollbars + ', resizable=' + resizable + ', left=' + centre(windowWidth, screen.availWidth) + ', top=' + centre(windowHeight, screen.availHeight) + ', width=' + windowWidth + ', height=' + windowHeight);
}

function centre(size,area) {
	return (area/2)-(size/2);
}

function fancyRules() {
	if (!document.getElementsByTagName) return;
	var hr = document.getElementsByTagName("hr");
	for (var i = 0; i < hr.length; i++) {
		var newhr = hr[i];
		var wrapdiv = document.createElement('div');
		wrapdiv.className = 'line';
		newhr.parentNode.replaceChild(wrapdiv, newhr);
		wrapdiv.appendChild(newhr);
	}
}

////////////////////////// Admin Functions ///////////////////////////////
//DO NOT EDIT INLESS A SENIOR DEVELOPER GIVES YOU PERMISSION BELOW THIS LINE


var whichList;

function changeHidden(theElement, theHidden) {
	//whichList = theElement;
	theHidden.value += theElement.options[theElement.selectedIndex].value.substring(0, theElement.options[theElement.selectedIndex].value.indexOf('|'));
}

function colourBars() {
	var even = false;
	var evenColor = "#FFFFFF";
	var oddColor = "#ECECEC";
	var thearea = document.getElementById('1table');
	var trs = thearea.getElementsByTagName('tr');
	for (var i = 0; i < trs.length; i++) {
		trs[i].style.backgroundColor = even ? evenColor : oddColor;
		even =  ! even;
	}
}

function checkLogout(theUrl) {
	if (confirm('Are you sure you want to logout?') == true) {
		window.location.href = theUrl + '?logout=true';
	}
}

function checkALL(checkbox, theElement) {
	for (i = 0; i < document.getElementsByName('' + theElement + '').length; i++) {
		document.getElementsByName('' + theElement + '')[i].checked = checkbox.checked;
	}
}

function checkCancel(theLink) {
	if (confirm('Are you sure you want to cancel these changes?') == true) {
		window.location.href = theLink;
	}
}

function previewEditor(theForm, theUrl) {
	var theAction = theForm.action;
	theForm.action = theUrl;
	theForm.target = 'previewWindow';
	theForm.submit();
	theForm.action = theAction;
	theForm.target = '_top';
}


function submitOnEnter(theEvent, theAction) {
	theEvent = (theEvent) ? theEvent : event;
	var charCode = (theEvent.charCode) ? theEvent.charCode :
		((theEvent.which) ? theEvent.which : theEvent.keyCode);
	if (charCode == 13 || charCode == 3) {
		document.getElementById(theAction).click();
	}
}

function getSelectedRadio(buttonGroup) {
   // returns the array number of the selected radio button or -1 if no button is selected
   if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            return i
         }
      }
   } else {
      if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero
   }
   // if we get to this point, no radio button is selected
   return -1;
} // Ends the "getSelectedRadio" function

function getSelectedRadioValue(buttonGroup) {
   // returns the value of the selected radio button or "" if no button is selected
   var i = getSelectedRadio(buttonGroup);
   if (i == -1) {
      return "";
   } else {
      if (buttonGroup[i]) { // Make sure the button group is an array (not just one button)
         return buttonGroup[i].value;
      } else { // The button group is just the one button, and it is checked
         return buttonGroup.value;
      }
   }
} // Ends the "getSelectedRadioValue" function

function getSelectedCheckbox(buttonGroup) {
   // Go through all the check boxes. return an array of all the ones
   // that are selected (their position numbers). if no boxes were checked,
   // returned array will be empty (length will be zero)
   var retArr = new Array();
   var lastElement = 0;
   if (buttonGroup[0]) { // if the button group is an array (one check box is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            retArr.length = lastElement;
            retArr[lastElement] = i;
            lastElement++;
         }
      }
   } else { // There is only one check box (it's not an array)
      if (buttonGroup.checked) { // if the one check box is checked
         retArr.length = lastElement;
         retArr[lastElement] = 0; // return zero as the only array value
      }
   }
   return retArr;
} // Ends the "getSelectedCheckbox" function

function getSelectedCheckboxValue(buttonGroup) {
   // return an array of values selected in the check box group. if no boxes
   // were checked, returned array will be empty (length will be zero)
   var retArr = new Array(); // set up empty array for the return values
   var selectedItems = getSelectedCheckbox(buttonGroup);
   if (selectedItems.length != 0) { // if there was something selected
      retArr.length = selectedItems.length;
      for (var i=0; i<selectedItems.length; i++) {
         if (buttonGroup[selectedItems[i]]) { // Make sure it's an array
            retArr[i] = buttonGroup[selectedItems[i]].value;
         } else { // It's not an array (there's just one check box and it's selected)
            retArr[i] = buttonGroup.value;// return that value
         }
      }
   }
   return retArr;
} // Ends the "getSelectedCheckBoxValue" function

// SELECT HIDE FIX FOR IE
function hideSelects(action) {
    //documentation for this script at http://www.shawnolson.net/a/1198/
    //possible values for action are 'hidden' and 'visible'
    if (action!='visible'){action='hidden';}
    if (navigator.appName.indexOf("MSIE")) {
        for (var S = 0; S < document.forms.length; S++){
            for (var R = 0; R < document.forms[S].length; R++) {
                if (document.forms[S].elements[R].options) {
                    document.forms[S].elements[R].style.visibility = action;
                }
            }
        }
    }
}

var openFaqId = null;
function showFaq(elementId) {
    try {
        if ( openFaqId != elementId ) {
            document.getElementById(openFaqId).style.display = 'none';
        }
    } catch (e) {}

    openFaqId = elementId;
    if ( document.getElementById(elementId).style.display == 'none' ) {
        document.getElementById(elementId).style.display = '';
    } else {
        document.getElementById(elementId).style.display = 'none';
    }
 }
 
 // -------------------------------------------------------------------
// Image Thumbnail Viewer Script- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Last updated: Jan 22nd, 2007
// -------------------------------------------------------------------

var thumbnailviewer={
enableTitle: true, //Should "title" attribute of link be used as description?
enableAnimation: true, //Enable fading animation?
definefooter: '<div class="footerbar">Click to Close</div>', //Define HTML for footer interface
defineLoading: 'Loading Screenshot...', //Define HTML for "loading" div

/////////////No need to edit beyond here/////////////////////////

scrollbarwidth: 16,
opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1',
targetlinks:[], //Array to hold links with rel="thumbnail"

createthumbBox:function(){
//write out HTML for Image Thumbnail Viewer plus loading div
document.write('<div id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>')
document.write('<div id="thumbLoading">'+this.defineLoading+'</div>')
this.thumbBox=document.getElementById("thumbBox")
this.thumbImage=document.getElementById("thumbImage") //Reference div that holds the shown image
this.thumbLoading=document.getElementById("thumbLoading") //Reference "loading" div that will be shown while image is fetched
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
},


centerDiv:function(divobj){ //Centers a div element on the page
var ie=document.all && !window.opera
var dom=document.getElementById
var scroll_top=(ie)? this.standardbody.scrollTop : window.pageYOffset
var scroll_left=(ie)? this.standardbody.scrollLeft : window.pageXOffset
var docwidth=(ie)? this.standardbody.clientWidth : window.innerWidth-this.scrollbarwidth
var docheight=(ie)? this.standardbody.clientHeight: window.innerHeight
var docheightcomplete=(this.standardbody.offsetHeight>this.standardbody.scrollHeight)? this.standardbody.offsetHeight : this.standardbody.scrollHeight //Full scroll height of document
var objwidth=divobj.offsetWidth //width of div element
var objheight=divobj.offsetHeight //height of div element
var topposition=(docheight>objheight)? scroll_top+docheight/2-objheight/2+"px" : scroll_top+10+"px" //Vertical position of div element: Either centered, or if element height larger than viewpoint height, 10px from top of viewpoint
divobj.style.left=docwidth/2-objwidth/2+"px" //Center div element horizontally
divobj.style.top=Math.floor(parseInt(topposition))+"px"
divobj.style.visibility="visible"
},

showthumbBox:function(){ //Show ThumbBox div
this.centerDiv(this.thumbBox)
if (this.enableAnimation){ //If fading animation enabled
this.currentopacity=0.1 //Starting opacity value
this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20)
}
},


loadimage:function(link){ //Load image function that gets attached to each link on the page with rel="thumbnail"
if (this.thumbBox.style.visibility=="visible") //if thumbox is visible on the page already
this.closeit() //Hide it first (not doing so causes triggers some positioning bug in Firefox
var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />' //Construct HTML for shown image
if (this.enableTitle && link.getAttribute("title")) //Use title attr of the link as description?
imageHTML+='<div style="position:absolute; bottom:4px; font: bold 11px arial; letter-spacing:1px; left:7px; color:#ffffff; font-weight:bold;">Description:&nbsp;'+link.getAttribute("title")+'</div>'
this.centerDiv(this.thumbLoading) //Center and display "loading" div while we set up the image to be shown
this.thumbImage.innerHTML=imageHTML //Populate thumbImage div with shown image's HTML (while still hidden)
this.featureImage=this.thumbImage.getElementsByTagName("img")[0] //Reference shown image itself
this.featureImage.onload=function(){ //When target image has completely loaded
thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div
thumbnailviewer.showthumbBox() //Display "thumbbox" div to the world!
}
if (document.all && !window.createPopup) //Target IE5.0 browsers only. Address IE image cache not firing onload bug: panoramio.com/blog/onload-event/
this.featureImage.src=link.getAttribute("href")
this.featureImage.onerror=function(){ //If an error has occurred while loading the image to show
thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div, game over
}
},

setimgopacity:function(value){ //Sets the opacity of "thumbimage" div per the passed in value setting (0 to 1 and in between)
var targetobject=this.featureImage
if (targetobject.filters && targetobject.filters[0]){ //IE syntax
if (typeof targetobject.filters[0].opacity=="number") //IE6
targetobject.filters[0].opacity=value*100
else //IE 5.5
targetobject.style.filter="alpha(opacity="+value*100+")"
}
else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
targetobject.style.MozOpacity=value
else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
targetobject.style.opacity=value
else //Non of the above, stop opacity animation
this.stopanimation()
},

opacityanimation:function(){ //Gradually increase opacity function
this.setimgopacity(this.currentopacity)
this.currentopacity+=0.1
if (this.currentopacity>1)
this.stopanimation()
},

stopanimation:function(){
if (typeof this.opacitytimer!="undefined")
clearInterval(this.opacitytimer)
},


closeit:function(){ //Close "thumbbox" div function
this.stopanimation()
this.thumbBox.style.visibility="hidden"
this.thumbImage.innerHTML=""
this.thumbBox.style.left="-2000px"
this.thumbBox.style.top="-2000px"
},

cleanup:function(){ //Clean up routine on page unload
this.thumbLoading=null
if (this.featureImage) this.featureImage.onload=null
this.featureImage=null
this.thumbImage=null
for (var i=0; i<this.targetlinks.length; i++)
this.targetlinks[i].onclick=null
this.thumbBox=null
},

dotask:function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
},

init:function(){ //Initialize thumbnail viewer script by scanning page and attaching appropriate function to links with rel="thumbnail"
if (!this.enableAnimation)
this.opacitystring=""
var pagelinks=document.getElementsByTagName("a")
for (var i=0; i<pagelinks.length; i++){ //BEGIN FOR LOOP
if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){ //Begin if statement
pagelinks[i].onclick=function(){
thumbnailviewer.stopanimation() //Stop any currently running fade animation on "thumbbox" div before proceeding
thumbnailviewer.loadimage(this) //Load image
return false
}
this.targetlinks[this.targetlinks.length]=pagelinks[i] //store reference to target link
} //end if statement
} //END FOR LOOP
//Reposition "thumbbox" div when page is resized
this.dotask(window, function(){if (thumbnailviewer.thumbBox.style.visibility=="visible") thumbnailviewer.centerDiv(thumbnailviewer.thumbBox)}, "resize")


} //END init() function

}

thumbnailviewer.createthumbBox() //Output HTML for the image thumbnail viewer
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load") //Initialize script on page load
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload")