nv_home_off=new Image(); nv_home_off.src="images/nv_home.gif"
nv_home_on=new Image(); nv_home_on.src="images/nv_home_over.gif"

nv_myjoiners_off=new Image(); nv_myjoiners_off.src="images/nv_myjoiners.gif"
nv_myjoiners_on=new Image(); nv_myjoiners_on.src="images/nv_myjoiners_over.gif"

nv_gigs_off=new Image(); nv_gigs_off.src="images/nv_gigs.gif"
nv_gigs_on=new Image(); nv_gigs_on.src="images/nv_gigs_over.gif"

nv_gallery_off=new Image(); nv_gallery_off.src="images/nv_gallery.gif"
nv_gallery_on=new Image(); nv_gallery_on.src="images/nv_gallery_over.gif"

nv_forum_off=new Image(); nv_forum_off.src="images/nv_forum.gif"
nv_forum_on=new Image(); nv_forum_on.src="images/nv_forum_over.gif"

nv_directory_off=new Image(); nv_directory_off.src="images/nv_directory.gif"
nv_directory_on=new Image(); nv_directory_on.src="images/nv_directory_over.gif"

nv_info_off=new Image(); nv_info_off.src="images/nv_info.gif"
nv_info_on=new Image(); nv_info_on.src="images/nv_info_over.gif"

nv_contact_off=new Image(); nv_contact_off.src="images/nv_contact.gif"
nv_contact_on=new Image(); nv_contact_on.src="images/nv_contact_over.gif"

nv_login_off=new Image(); nv_login_off.src="images/nv_login.gif"
nv_login_on=new Image(); nv_login_on.src="images/nv_login_over.gif"

nv_logout_off=new Image(); nv_logout_off.src="images/nv_logout.gif"
nv_logout_on=new Image(); nv_logout_on.src="images/nv_logout_over.gif"



function displayExternalMedia(path, print) {
	var imgwin = window.open("media_viewer.asp?type=external&path="+path+"&print="+print, "", "resizable=1,scrollbars=1,top=0,left=0,height=400,width=400");
}

function displayMediafile(id) {
	var imgwin = window.open("media_viewer.asp?type=internal&id=" + id, "", "resizable=1,scrollbars=1,top=0,left=0,height=400,width=400");
}

function confirmCmd(cmd) {
	ret = false

	if (cmd == 'DELETE') {
		ret = confirm('Are you sure you want to delete this?')
	}
	return ret
}

function submitDetails(frm) {
  if (validateFrm(frm)) {
	frm.submit()
  }
}

function validateFrm(frm) {
  var ret = false
  var errMsg = 'Error! ' 

  if (frm.username.value == '') {
	errMsg += 'Username blank. '
  } else if ((frm.username.value.indexOf(' ') != -1) || (frm.username.value.indexOf('.') != -1) || (frm.username.value.indexOf('&') != -1) || (frm.username.value.indexOf(';') != -1) || (frm.username.value.indexOf(':') != -1) || (frm.username.value.indexOf('\'') != -1)) {
	errMsg += 'Username must not contain spaces, full stops, apostrophes, ampersands, colons or semi-colons. '
  } else if (frm.password.value == '') {
	errMsg += 'Password blank'
  } else if (frm.password.value != frm.passwordconfirm.value) {
	errMsg += 'Passwords don\'t match.'
  } else if ((frm.password.value.indexOf('.') != -1) || (frm.password.value.indexOf('&') != -1) || (frm.password.value.indexOf(' ') != -1)) {
	errMsg += 'Password must not contain full stops, ampersands or spaces. '
  } else if ((frm.email.value.indexOf('@') == -1) || (frm.email.value.indexOf('.') == -1)) {
	errMsg += 'That is not a valid email address. '
  } else if (frm.email.value != frm.emailconfirm.value) {
	errMsg += 'Please ensure your email is written exactly the same in both email boxes.'
  } else if (!frm.terms.checked) {
	errMsg += 'You have not ticked the box saying that you have read and understood our terms and conditions. '
  } else ret = true

  if (!ret) {
	alert(errMsg)
  }
  return ret
}

function deleteMedia(media_id) {
  	document.delet.mediafile_id.value = media_id
  	document.delet.submit()
}

function removeBan(band_id) {
  	document.editor.band_id.value = band_id
  	document.editor.submit()
}

function removePermission(username) {
  	document.editor.username.value = username
  	document.editor.permission.value = '0'
  	document.editor.submit()
}

function removeSub(id) {
  	document.editor.subcmd.value = 'REMOVE_SUB'
  	document.editor.sub_id.value = id
  	document.editor.submit()
}

function removeFeaturedGig(id) {
  	document.editor.cmd.value = 'REMOVE_FEATUREDGIG'
  	document.editor.id.value = id
  	document.editor.submit()
}
function removeFeaturedBand(id) {
  	document.editor.cmd.value = 'REMOVE_FEATUREDBAND'
  	document.editor.id.value = id
  	document.editor.submit()
}

function addMedia() {
	var frm = document.editor

	if (frm.add_title.value == '' || frm.add_mediaurl.value == ''){
		alert('You must enter a media title and a media url to add a media link to your band page.')
	} else {
 		document.editor.subcmd.value = 'ADD_SUB'
	  	document.editor.submit()
	}
}

function addSub() {
	document.editor.subcmd.value = 'ADD_SUB'
  	document.editor.submit()
}

function removeGigAlert(id) {
  	document.editor.cmd.value = 'REMOVE_GIGALERT'
  	document.editor.alert_id.value = id
  	document.editor.submit()
}
function removeBandAlert(id) {
  	document.editor.cmd.value = 'REMOVE_BANDALERT'
  	document.editor.alert_id.value = id
  	document.editor.submit()
}
function removeVenueAlert(id) {
  	document.editor.cmd.value = 'REMOVE_VENUEALERT'
  	document.editor.alert_id.value = id
  	document.editor.submit()
}
function removePromoterAlert(id) {
  	document.editor.cmd.value = 'REMOVE_PROMOTERALERT'
  	document.editor.alert_id.value = id
  	document.editor.submit()
}

function ShowProgress(barref) {
  strAppVersion = navigator.appVersion;

  if (document.upload.file1.value != "")
  {
    if (strAppVersion.indexOf('MSIE') != -1 && strAppVersion.substr(strAppVersion.indexOf('MSIE')+5,1) > 4)
    {
		if( strAppVersion.indexOf("Macintosh") != -1 && strAppVersion.charAt(0) >= 3 )
		{
			window.open(barref + '&b=NN','','width=370,height=115', true);
		}
		else
		{
			winstyle = "dialogWidth=385px; dialogHeight:140px; center:yes";
			window.showModelessDialog(barref + '&b=IE',null,winstyle);
		}
    }
    else
    {
      window.open(barref + '&b=NN','','width=370,height=75', true);
    }
  }
  return true;
}



function validateThumb(val) {
	ret = false
	ext = val.substr(val.length - 4)
	
	if (val == '') {
		alert('Please enter a file name.')
	} else if (ext != '.jpg') {
		alert('File names must be jpg format.')
	} else ret = true

	return ret
}



function validateBand() {
	ret = false
	var frm = document.editor

	if (frm.title.value == '') {
		alert('Please enter a title.')
	} else ret = true

	return ret
}


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= '/';
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   

        var c = s.charAt(i);
        if (((c < '0') || (c > '9'))) return false;
    }

    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = '';

    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){

	var ret = ''
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=='0' && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=='0' && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=='0' && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		ret = 'The date format should be : dd/mm/yyyy'
	}
	if (strMonth.length<1 || month<1 || month>12){
		ret = 'Please enter a valid month. '
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		ret = 'Please enter a valid day. '
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		ret = 'Please enter a valid 4 digit year between '+minYear+' and '+maxYear
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		ret = 'Please enter a valid date. The date format should be : dd/mm/yyyy'
	}
	return ret
}

function validateGig(frm){
	
	var errMsg = ''
	var ret = false

	var dt=frm.gigdate
	var dateresult = isDate(dt.value)

	if (dateresult != '') {
		dt.focus()
		errMsg += dateresult
	} else if ((isNaN(frm.costdoor.value)) || (frm.costadv.value == '')) {
		errMsg += 'Please enter a valid Ticket Price (adv). '
	} else if ((isNaN(frm.costdoor.value)) || (frm.costdoor.value == '')) {
		errMsg += 'Please enter a valid Ticket Price (on door). '
	} else if ((frm.online.checked) && (isNaN(frm.onlinequota.value) || frm.onlinequota.value == '')) {
		errMsg += 'When online ticket selling is enabled, you must enter a value for the Online Ticket Quota. '
	} else if ((isNaN(frm.agelimit.value)) || (frm.agelimit.value == '')) {
		errMsg += 'Please enter a valid Age Limit. '
	} else if ((parseInt(frm.gigdateH.value) > 24) || (parseInt(frm.gigdateN.value > 60))) {
		errMsg += 'Please enter a valid door time. '
	} else if (frm.ticketoutlet_id.options.selectedIndex == -1) {
		errMsg += 'You must select at least one ticket outlet from the list.'
	} else ret = true

	if (ret==false) {
		alert(errMsg)
	} else {
		var sel = frm.band_id
		for (i=0; i<sel.options.length; i++) {
			sel.options[i].selected = true;
		}
	}
	
    return ret
 }

function validateNewsletter(frm){
	
	var errMsg = ''
	var ret = false

	var dt=frm.coveragestart
	var dateresult = isDate(dt.value)

	if (dateresult != '') {
		dt.focus()
		errMsg += dateresult
	} else if ((isNaN(frm.coveragelength.value)) || (frm.coveragelength.value == '') || (parseInt(frm.coveragelength.value) < 1)) {
		errMsg += 'Please enter a valid Coverage Length. '
	} else if (frm.title.value == '') {
		errMsg += 'Please enter a valid Title. '
	} else if (frm.description.value == '') {
		errMsg += 'Please enter a valid Introduction. '
	} else ret = true

	if (ret==false) {
		alert(errMsg)
	} 
	
    return ret
 }

function validateGigFilter(frm){
	
	var errMsg = ''
	var ret = false
	var dateresult = ''
	var dt = frm.periodstart

	dateresult = isDate(dt.value)

	if (dateresult != '') {
		dt.focus()
		errMsg += dateresult
		dt.value = dt.defaultValue 
	} else ret = true

	if (ret==false) {
		alert(errMsg)
	}	
    return ret
 }

function loseFocus() {
	if (document.editor.lock.value == '1') {
		bandwin.close()
	}
}

function keepFocus() {
	alert('Please close this window before continuing.')
	window.focus()
}

var bandwin
function addBand() {
	document.editor.lock.value = '1'
	bandwin = window.open('page.asp?page=gigbuilddirectory&type=band&nonav=1&gigbuild=1', 'gigbuild', 'resizable=1,scrollbars=1,top=0,left=0,status=1,height=480,width=585,alwaysRaised');
}

function isBandUsed(id) {
	var ret = false
	var sel = document.editor.band_id
	for (i=0; i<sel.options.length; i++) {
		if (sel.options[i].value == id) {
			ret = true
		}
	}
	return ret
}


function selectBand(id, title) {

  var frm = document.editor

  if (isBandUsed(id)) {
	alert('That band has already been used! Please select another.')
  } else {
	frm.band_id.options[frm.band_id.options.length] = new Option(title, id)
	alert(title + ' has been added to the line-up.')
  }
}

function removeBand() {
  var sel = document.editor.band_id;
  var i;
  for (i = sel.length - 1; i>=0; i--) {
    if (sel.options[i].selected) {
	document.editor.deletelist.value += sel.options[i].value + ', '
      	sel.remove(i);
    }
  }
}

function shiftBand(direction) {
	var sel = document.editor.band_id
	if (direction == 'up') {
		moveOptionUp(sel)	
	} else {
		moveOptionDown(sel)
	}	
}

function hasOptions(obj) {
	if (obj!=null && obj.options!=null) { return true; }
	return false;
	}


function swapOptions(obj,i,j) {
	var o = obj.options
	var i_selected = o[i].selected
	var j_selected = o[j].selected
	var tmp = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected)
	var tmp2= new Option(o[j].text, o[j].value, o[j].defaultSelected, o[j].selected)
	o[i] = tmp2
	o[j] = tmp
	o[i].selected = j_selected
	o[j].selected = i_selected
}

function moveOptionDown(obj) {
	if (!hasOptions(obj)) { return; }
	for (i=obj.options.length-1; i>=0; i--) {
		if (obj.options[i].selected) {
			if (i != (obj.options.length-1) && ! obj.options[i+1].selected) {
				swapOptions(obj,i,i+1);
				obj.options[i+1].selected = true;
				}
			}
		}
	}

function moveOptionUp(obj) {
	if (!hasOptions(obj)) { return; }
	for (i=0; i<obj.options.length; i++) {
		if (obj.options[i].selected) {
			if (i != 0 && !obj.options[i-1].selected) {
				swapOptions(obj,i,i-1);
				obj.options[i-1].selected = true;
				}
			}
		}
	}





function sendNewsletters(id, qs) {
	var send = window.open('newsletter_sender.asp?id=' + id + '&queuesize=' + qs, 'sender', 'resizable=1,scrollbars=1,top=0,left=0,status=1,height=100,width=300,alwaysRaised');
}