var globalId = null;
var globalTopId = null;

function chkHeight(){	
	var menuObj = document.getElementById('subdiv');
	var parentObj = document.getElementById('maindiv');
	if(menuObj.offsetHeight > parentObj.offsetHeight){
		parentObj.style.height = menuObj.offsetHeight;
	}
}

function GetXmlHttpObject(){
	var xmlHttp=null;
	try
 	{
 	// Firefox, Opera 8.0+, Safari
 	xmlHttp=new XMLHttpRequest();
 	}
	catch (e)
 	{
	 	// Internet Explorer
	 	try
	 	{
	  		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	  	}
	 	catch (e)
	  	{
	  		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	  	}
 	}
	return xmlHttp;
}

function loopSelected(size)
{
  var selectedArray = new Array();
  var selObj = document.getElementById('cat_id');
  var i;
  var count = 0;
  for (i=0; i<selObj.options.length; i++) {
    if (selObj.options[i].selected) {
      selectedArray[count] = selObj.options[i].value;
      count++;
    }
  }
  findPositions(selectedArray,size);
}

function findPositions(id,size){
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
	  alert ("Browser does not support HTTP Request")
	  return
	 }
	 if(id == false){
		 document.getElementById('positions').innerHTML = "<select style=\"width: 128px;\" id=\"position_id\" name=\"position[]\" multiple size=\"10\" onchange=\"position_check(); special_message(); uncheck('all_positions');\"><option>Select a category1</option></select>";
		 return;
	 }else if(id == true){
		id = 1;	 
	 }
	document.getElementById('positions').innerHTML = "<select style=\"width: 128px;\" id=\"position_id\" name=\"position[]\" multiple size=\"10\" onchange=\"position_check(); special_message(); uncheck('all_positions');\"><option>Loading...</option></select>";
 	window.status = "Loading...";
	var url="/index/getPositions.php";
  	url=url+"?id="+id;
	xmlHttp.onreadystatechange=function (){
		if (xmlHttp.readyState == 4 && xmlHttp.status == 200){
			dropdown = xmlHttp.responseText;
 		  	document.getElementById('positions').innerHTML = dropdown;
			window.status = "Done";
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

var timerlen = 5;
var slideAniLen = 500;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function slidedown(objname,end,topDivCount,id){
	var start = end - 10;
	var oldobjname = '';
	if(start < 0){
		start = 0;	
	}
	if(end){
		oldobjname = 'details';
		for(var i=start;i<end;i++){
			slideup(oldobjname + i);	
		}
	}
	if(topDivCount){
		oldobjname = 'search';
		for(var i=0;i<topDivCount;i++){
			slideup(oldobjname + i);	
		}
	}
    if(moving[objname])
            return;
      
    if(document.getElementById(objname).style.display != "none"){
    	return; // cannot slide down something that is already visible
	}	

    moving[objname] = true;
    dir[objname] = "down";
    setTimeout('startslide(\'' + objname + '\');','500');
            
	if(objname == "search0" || objname == "search1"){
		setTimeout('changeImage(\'' + objname + '\',\'on\');','500');       
	}
}

function slideup(objname,id){
    if(moving[objname])
            return;
	
    if(document.getElementById(objname).style.display == "none"){
        return; // cannot slide up something that is already hidden
    }

    moving[objname] = true;
    dir[objname] = "up";
    startslide(objname);
    
    if(objname == "search0" || objname == "search1"){
		setTimeout('changeImage(\'' + objname + '\',\'off\');','500');              
	}
}

function startslide(objname){
    obj[objname] = document.getElementById(objname);

    endHeight[objname] = parseInt(obj[objname].style.height);
    startTime[objname] = (new Date()).getTime();

    if(dir[objname] == "down"){
            obj[objname].style.height = "1px";
    }

    obj[objname].style.display = "block";

    timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
    var elapsed = (new Date()).getTime() - startTime[objname];

    if (elapsed > slideAniLen)
            endSlide(objname)
    else {
            var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
            if(dir[objname] == "up")
                    d = endHeight[objname] - d;

            obj[objname].style.height = d + "px";
    }

    return;
}

function endSlide(objname){
    clearInterval(timerID[objname]);

    if(dir[objname] == "up")
            obj[objname].style.display = "none";

    obj[objname].style.height = endHeight[objname] + "px";

    delete(moving[objname]);
    delete(timerID[objname]);
    delete(startTime[objname]);
    delete(endHeight[objname]);
    delete(obj[objname]);
    delete(dir[objname]);

    return;
}

function changeImage(id,onOff,state){
	var searchBtn = id + '_button';
	var divImg = eval(id + '_'+onOff);
	document.getElementById(searchBtn).style.backgroundImage = "url("+ divImg.src +")";
}

function changeTextImage(id){
	var textObj = document.getElementById('info' + id);
	var imageObj = document.getElementById('drop' + id);
	if(textObj.innerHTML == "more information"){
		var img = "drop";
		textObj.innerHTML = "less information";
		imageObj.src = "/homepage_images/pull.gif";
	}else{
		var img = "drop";
		textObj.innerHTML = "more information";
		imageObj.src = "/homepage_images/drop.gif";
	}
}

function callSlideEffect(id, endfor){
	start = endfor - 10;
	if(start < 0){
		start = 0;	
	}
	for(var i=start;i<endfor;i++){
		var collapse = eval('collapse' + i);
		collapse.slideup();
		var imgObj = document.getElementById('drop' + i);
		imgObj.src = "/homepage_images/drop.gif";
	}
	if(id){
		var imgObj = document.getElementById('drop' + id);
		if(globalId == id){
			setTimeout('collapse' + id + '.slideup();','800');  
			imgObj.src = "/homepage_images/drop.gif";
			globalId = null;
		}else{
			if(globalId == null){
				var collapse = eval('collapse' + id);
				collapse.slidedown();
			}else{
				setTimeout('collapse' + id + '.slidedown();','800');
			}		
			imgObj.src = "/homepage_images/pull.gif"; 
			globalId = id;
		}
	}
}

function callTopSlideEffect(id, endfor){
	var buttonObjOff = eval('search' + id + '_off');
	var buttonObjOn = eval('search' + id + '_on');
	start = endfor - 2;
	if(start < 0){
		start = 0;	
	}
	for(var i=start;i<endfor;i++){
		var collapse = eval('collapseTop' + i);
		collapse.slideup();
	}
	if(id){
		var imgObj = document.getElementById('search' + id + '_button');
		if(globalTopId == id){
			imgObj.style.backgroundImage = 'url('+ buttonObjOff.src +')';
			imgObj.onmouseover = function(e){
				imgObj.style.backgroundImage = 'url('+ buttonObjOn.src +')';
			}
			imgObj.onmouseout = function(e){
				imgObj.style.backgroundImage = 'url('+ buttonObjOff.src +')';
			}
			setTimeout('collapseTop' + id + '.slideup();','800');  
			globalTopId = null;
		}else{
			imgObj.style.backgroundImage = 'url('+ buttonObjOn.src +')';
			imgObj.onmouseover = function(e){return(0);}
			imgObj.onmouseout = function(e){return(0);}
			if(globalTopId == null){
				var collapse = eval('collapseTop' + id);
				collapse.slidedown();
			}else{
				setTimeout('collapseTop' + id + '.slidedown();','800');
			}
			globalTopId = id;
		}
	}
	
	if(id){ //reset the other button 
		var newId = (id==0) ? 1:0;
		var imgObj1 = document.getElementById('search' + newId + '_button');
		var buttonObjOff1 = eval('search' + newId + '_off');
		var buttonObjOn1 = eval('search' + newId + '_on');
		imgObj1.style.backgroundImage = 'url('+ buttonObjOff1.src +')';
		imgObj1.onmouseover = function(e){
			imgObj1.style.backgroundImage = 'url('+ buttonObjOn1.src +')';
		}
		imgObj1.onmouseout = function(e){
			imgObj1.style.backgroundImage = 'url('+ buttonObjOff1.src +')';
		}
	}
}

/************************************************************************************************************
(C) www.dhtmlgoodies.com, November 2005

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

************************************************************************************************************/

var dhtmlgoodies_slideSpeed = 12;	// Higher value = faster
var dhtmlgoodies_timer = 10;	// Lower value = faster

var objectIdToSlideDown = true;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;
var oldInputId = "jobpage1";
var newInputId = "";
function showHideContent(e,inputId)
{
	if(dhtmlgoodies_slideInProgress)return;
	dhtmlgoodies_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);

	newInputId = this.id;
	if (oldInputId == '') oldInputId = newInputId;


// 	alert('NEW ' + newInputId + ' === ' + 'OLD ' + oldInputId);

	objectIdToSlideDown = false;
	if(!answerDiv.style.display || answerDiv.style.display=='none'){		
		if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
		}else{
			if(oldInputId != newInputId){
		 		SetVisibility(oldInputId,0);
			}
			SetVisibility(newInputId,1);
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';	
			slideContent(numericId,dhtmlgoodies_slideSpeed);
		}
	}else{
		slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
		dhtmlgoodies_activeId = false;
		var curOff = eval(inputId + '_off');
		var curDiv = document.getElementById(inputId);
		curDiv.style.backgroundImage = "url("+ curOff.src +")";			
	}
}

function slideContent(inputId,direction)
{
	var obj =document.getElementById('dhtmlgoodies_a' + inputId);
	var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}

	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){				
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);	
			}else if (newInputId != oldInputId) {
				objectIdToSlideDown = 1;
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);
// 				if(oldInputId != newInputId){
// 			 		SetVisibility(oldInputId,0);
// 				}else{				
// 					SetVisibility(newInputId,1);				
// 				}
			}else{
				dhtmlgoodies_slideInProgress = false;
			}
			oldInputId = newInputId;
		}else{
			dhtmlgoodies_activeId = inputId;
			dhtmlgoodies_slideInProgress = false;
			oldInputId = newInputId;
		}
	}
}

function SetVisibility(objName, isVisibile) {
	var objDiv = document.getElementById(objName + '_1');
	var btmDiv = document.getElementById(objName);
	var divOn = eval(objName + '_on');
	var divOff = eval(objName + '_off');
	if (isVisibile == 1) {
		objDiv.style.visibility = 'visible';
		objDiv.style.display = 'block';		
		btmDiv.style.backgroundImage = "url("+ divOn.src +")";	
	}else{
		objDiv.style.visibility = 'hidden';
		objDiv.style.display = 'none';
		btmDiv.style.backgroundImage = "url("+ divOff.src +")";			
	}
}

function initShowHideDivs()
{
	if(document.getElementById('subdiv')){
		chkHeight();
	}
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	var divFirstCnt = 1;
	var divSecondCnt = 1;
	var divThirdCnt = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='dhtmlgoodies_question'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'dhtmlgoodies_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'dhtmlgoodies_a'+divCounter;	
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='dhtmlgoodies_answer_content';
			contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
// 		}else if (divs[no].className=='dhtmlgoodies_branch') {
// 			divs[no].onclick = showHideContent;
// 			divs[no].id = 'branchpage'+divFirstCnt;
// 			divFirstCnt++;
// 		}else if (divs[no].className=='dhtmlgoodies_job') {
// 			divs[no].onclick = showHideContent;
// 			divs[no].id = 'jobpage'+divSecondCnt;
// 			divSecondCnt++;
		}
	}	
}

window.onload = initShowHideDivs;