var prefix='';

var feedTween;
var closeFeedTween;
var inMotion = false;
var destinationImgAr = [];
var originalExperienceString;
var wcmPrefix="";
if(location.host.indexOf("10.4.238.89")>-1) wcmPrefix="http://10.27.237.223";


function fbOption(feedNum, totalNum, imgSet){

	if (imgSet==2){prefix='lb'} else {prefix=''};
    contentHeight = document.getElementById(prefix+'fbContent'+feedNum).offsetHeight;
    containerHeight = document.getElementById(prefix+'fbContain'+feedNum).style.height;
    containerHeight = getIntVal(containerHeight);

    if(contentHeight>containerHeight+5){
        if(imgSet == 1){
            for(g=1; g<=totalNum; g++){
                if(g>feedNum){
                    document.getElementById(prefix+'optImg'+g).src = wcmPrefix+"/images/arrow_head_up.gif";
                }else{
                    document.getElementById(prefix+'optImg'+g).src = wcmPrefix+"/images/arrow_head_down.gif";
                }
            }
        }else if(imgSet == 2){
            for(g=2; g<=totalNum; g++){
                if(g!=feedNum){
                    document.getElementById(prefix+'optImg'+g).src = destinationImgAr[g]+"_up.gif";
                }else{
                    document.getElementById(prefix+'optImg'+g).src = destinationImgAr[g]+"_down.gif";
                }
            }
        }

        openFeed(feedNum, totalNum); //ANIMATE PANEL OPENING
    
    
    }else if(feedNum == 99){
        document.getElementById(prefix+'fbContent99').innerHTML = originalExperienceString;
        document.getElementById('bar99').style.display = "none";
        openFeed(feedNum, totalNum);
        
    }else if(inMotion == false){
        if(imgSet == 1){
            for(g=1; g<=totalNum; g++){
                document.getElementById(prefix+'optImg'+g).src = wcmPrefix+"/images/arrow_head_down.gif";
            }
            closeFeed(feedNum); //CLOSE ALL PANELS
            
        }else if(imgSet == 2){
            for(g=2; g<=totalNum; g++){
                document.getElementById(prefix+'optImg'+g).src = destinationImgAr[g]+"_up.gif";
            }
            openFeed(1, totalNum); //ANIMATE PIC PANEL

        }else{
            closeFeed(feedNum); //CLOSE ALL PANELS
        }
   }
}

function openFeed(feedNum, totalNum){
    contentHeight = document.getElementById(prefix+'fbContent'+feedNum).offsetHeight;
    containerHeight = document.getElementById(prefix+'fbContain'+feedNum).style.height;
    containerHeight = getIntVal(containerHeight);

    if(contentHeight >= containerHeight+2){
        inMotion = true;
        speed = 5;

        if(contentHeight < containerHeight+5){
            speed = 2;
        }

        temp = containerHeight+((contentHeight - containerHeight)/speed);
        document.getElementById(prefix+'fbContain'+feedNum).style.height = temp+"px";
		document.getElementById(prefix+'fbContain'+feedNum).style.visibility="visible";

        clearTimeout(feedTween);
	    feedTween = setTimeout('openFeed('+feedNum+', '+totalNum+')', 25);


        for(g=1; g<=totalNum; g++){
            if(g!=feedNum){
                contentHeight = document.getElementById(prefix+'fbContent'+g).offsetHeight;
                containerHeight = document.getElementById(prefix+'fbContain'+g).style.height;
                containerHeight = getIntVal(containerHeight);

                if(containerHeight>1){
                    temp = containerHeight+((0 - containerHeight)/speed);
                    document.getElementById(prefix+'fbContain'+g).style.height = temp+"px";
					
                }else{
                    document.getElementById(prefix+'fbContain'+g).style.height = 1+"px";
					document.getElementById(prefix+'fbContain'+g).style.visibility="hidden";
                }
            }
        }
    }else{
        inMotion = false;
        clearTimeout(feedTween);
        document.getElementById(prefix+'fbContain'+feedNum).style.height = contentHeight+"px";
        for(g=1; g<=4; g++){
            if(g!=feedNum){
                document.getElementById(prefix+'fbContain'+g).style.height = 1+"px";
				document.getElementById(prefix+'fbContain'+g).style.visibility="hidden";
            }
        }
    }
}

function closeFeed(feedNum){
    containerHeight = document.getElementById(prefix+'fbContain'+feedNum).style.height;
    containerHeight = getIntVal(containerHeight);

    clearTimeout(closeFeedTween);

    if(containerHeight>2){
        temp = containerHeight+((0 - containerHeight)/5);
        document.getElementById(prefix+'fbContain'+feedNum).style.height = temp+"px";
		document.getElementById(prefix+'fbContain'+feedNum).style.visibility="visible";
        closeFeedTween = setTimeout('closeFeed('+feedNum+')', 25);
    }else{

        document.getElementById(prefix+'fbContain'+feedNum).style.height = 1+"px";
		document.getElementById(prefix+'fbContain'+feedNum).style.visibility="hidden";
    }
}