/* <![CDATA[ */
function countChars(idElement) {
	max_chars 		= 70;
	counter			= document.getElementById(idElement);
	field			= document.getElementById('overskrift').value;
	field_length	= field.length
	remaining_chars	= max_chars-field_length;
		if(remaining_chars<=10){
			counter.style.color="#CC0000";
		}
		if(remaining_chars>10){
			counter.style.color="#333333";
		}
	// Update the counter on the page
	counter.innerHTML = remaining_chars;
}
/* ]]> */

/* <![CDATA[ */
function toggleLayer(whichLayer) {
	var elem, vis;
		if( document.getElementById ) // this is the way the standards work
			elem = document.getElementById(whichLayer);
		else if(document.all) // this is the way old msie versions work
			elem = document.all[whichLayer];
		else if(document.layers) // this is the way nn4 works
			elem = document.layers[whichLayer];
			vis = elem.style;
// if the style.display value is blank we try to figure it out here
		if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
			vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
			vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}
/* ]]> */

/* <![CDATA[ */
function toggleMsg(idElement){
	element	= document.getElementById(idElement);
		if(element.style.visibility!='hidden'){
			element.style.visibility='hidden';
		} else {
			element.style.visibility='visible';
		}
}
/* ]]> */
		
function confirmation() {
	var agree=confirm("Ønsker du å slette denne oppføringen?");
	if (agree)
		return true ;
	else
		return false ;
}
function confirm_change() {
	var agree=confirm("Ønsker du å endre kansellert-status på denne oppføringen?");
	if (agree)
		return true;
	else
		return false;
}

function showDiv(div_id) {
    document.getElementById(div_id).style.visibility = 'visible';
    document.getElementById(div_id).style.display = 'inline';
}
function hideDiv(div_id) {
    document.getElementById(div_id).style.display = 'none';
    document.getElementById(div_id).style.visibility = 'hidden';
}
function showHideDiv(div_id) {
    if (document.getElementById(div_id).style.visibility == 'visible') {
        hideDiv(div_id);
    }
    else {
        showDiv(div_id);
    }
}

/*<![CDATA[*/
/***********************************************
* Dynamic Countdown script- © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/

function cdtime(container, targetdate){
if (!document.getElementById || !document.getElementById(container)) return
this.container=document.getElementById(container)
this.currentTime=new Date()
this.targetdate=new Date(targetdate)
this.timesup=false
this.updateTime()
}

cdtime.prototype.updateTime=function(){
var thisobj=this
this.currentTime.setSeconds(this.currentTime.getSeconds()+1)
setTimeout(function(){thisobj.updateTime()}, 1000) //update time every second
}

cdtime.prototype.displaycountdown=function(baseunit, functionref){
this.baseunit=baseunit
this.formatresults=functionref
this.showresults()
}

cdtime.prototype.showresults=function(){
var thisobj=this


var timediff=(this.targetdate-this.currentTime)/1000 //difference btw target date and current date, in seconds
if (timediff<0){ //if time is up
this.timesup=true
this.container.innerHTML=this.formatresults()
return
}
var oneMinute=60 //minute unit in seconds
var oneHour=60*60 //hour unit in seconds
var oneDay=60*60*24 //day unit in seconds
var dayfield=Math.floor(timediff/oneDay)
var hourfield=Math.floor((timediff-dayfield*oneDay)/oneHour)
var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute)
var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute))
if (this.baseunit=="hours"){ //if base unit is hours, set "hourfield" to be topmost level
hourfield=dayfield*24+hourfield
dayfield="n/a"
}
else if (this.baseunit=="minutes"){ //if base unit is minutes, set "minutefield" to be topmost level
minutefield=dayfield*24*60+hourfield*60+minutefield
dayfield=hourfield="n/a"
}
else if (this.baseunit=="seconds"){ //if base unit is seconds, set "secondfield" to be topmost level
var secondfield=timediff
dayfield=hourfield=minutefield="n/a"
}
this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield)
setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
}

/////CUSTOM FORMAT OUTPUT FUNCTIONS BELOW//////////////////////////////

//Create your own custom format function to pass into cdtime.displaycountdown()
//Use arguments[0] to access "Days" left
//Use arguments[1] to access "Hours" left
//Use arguments[2] to access "Minutes" left
//Use arguments[3] to access "Seconds" left

//The values of these arguments may change depending on the "baseunit" parameter of cdtime.displaycountdown()
//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc


function formatresults(){
if (this.timesup==false){//if target date/time not yet met
var displaystring="<p class='center'><strong>"+arguments[0]+"</strong> dager, <strong>"+arguments[1]+"</strong> timer, <strong>"+arguments[2]+"</strong> minutter og <strong>"+arguments[3]+"</strong> sekunder igjen til <strong>RegnCon XVII</strong></p>"
}
else{ //else if target date/time met
var displaystring="<p class='warning'><strong>RegnCon XVII har begynt!</strong></p>"
}
return displaystring
}

function formatresults2(){
if (this.timesup==false){ //if target date/time not yet met
var displaystring="<span class='lcdstyle'>"+arguments[0]+" <sup>dager</sup> "+arguments[1]+" <sup>timer</sup> "+arguments[2]+" <sup>minutter</sup> "+arguments[3]+" <sup>sekunder</sup></span> igjen"
}
else{ //else if target date/time met
var displaystring="" //Don't display any text
alert("Dagen har kommet!") //Instead, perform a custom alert
}
return displaystring
}
/*]]>*/


/*<![CDATA[*/
function switchDisabled(choice,idElement_1,idElement_2,oldName,oldPhone,guardianName,guardianPhone){
	if(choice.checked) {
		var dis_1 = document.getElementById(idElement_1).disabled=true; 
		var dis_2 = document.getElementById(idElement_2).disabled=true; 
	} else {
		var dis_1 = document.getElementById(idElement_1).disabled=false; 
		var dis_2 = document.getElementById(idElement_2).disabled=false; 
	}
	
	if (choice.checked) {
		var val_1 = document.getElementById(idElement_1).value=guardianName;
		var val_2 = document.getElementById(idElement_2).value=guardianPhone; 
	} else {
			if(oldName == null) {
				var val_1 = document.getElementById(idElement_1).value=""; 
			} else {
				var val_1 = document.getElementById(idElement_1).value=oldName; 
			}
			
			if(oldPhone == null) {
				var val_2 = document.getElementById(idElement_2).value=""; 
			} else {
				var val_2 = document.getElementById(idElement_2).value=oldPhone; 
			}
	}
return dis_1 + dis_2 + val_1 + val_2
}
/*]]>*/