leftdisabled = true
rightdisabled = true
widthLength = 540

function fp_ie4() {
    var nav = navigator.appVersion.indexOf("MSIE");
    return (nav>0) && (parseInt(navigator.appVersion.substring(nav+5, nav+6)) >= 4);
}

function fp_ns6() {
    return ((navigator.appName == "Netscape") &&
                (parseInt(navigator.appVersion.substring(0, 1)) >= 5))
}

function fp_ShowImg(src, sWidth, sHeight, sID, iIndex)
{    
    var el = document.images["fpGalleryMainImg_" + sID];
    if (el) {
        if(fp_ie4()) {
            el.style.visiblity = "hidden";
            el.src = src.getAttribute ? src.getAttribute("lowsrc") : src.lowsrc;
            el.width = sWidth;
            el.height = sHeight;
                
            var caption = document.all["fpGalleryCaptions_" + sID].all.tags("div")
            var sCaptionTxt;
            var sCaptionHTML;
            
            if (caption && caption[iIndex]) {
                sCaptionTxt = caption[iIndex].innerText
                sCaptionHTML = caption[iIndex].innerHTML
            } else {
                sCaptionTxt = "";
                sCaptionHTML = "";
            }
            
            el.title = sCaptionTxt;
            el.style.visiblity = "visible";
            
            var el = document.all["fpGalleryCaptionCell_" + sID];
            if (el) {
                el.innerHTML = sCaptionHTML;
            }
            
            var el = document.all["fpGalleryDescCell_" + sID];
            if (el) {
                var sDesc = document.all["fpGalleryDescriptions_" + sID].all.tags("div")
                el.innerHTML = sDesc && sDesc[iIndex]?sDesc[iIndex].innerHTML:"";
            }
        } else {
            el.src = src.getAttribute ? src.getAttribute("lowsrc") : src.lowsrc
            el.style.width = sWidth
            el.style.height = sHeight

            caption = document.getElementById("fpGalleryCaptions_" + sID).getElementsByTagName("div")            
            if (caption && caption[iIndex]) {
                sCaptionTxt = caption[iIndex].innerText
                sCaptionHTML = caption[iIndex].innerHTML
            } else {
                sCaptionTxt = ""
                sCaptionHTML = ""
            }
        
            el.title = sCaptionTxt            
            var e = document.getElementById("fpGalleryCaptionCell_" + sID)
            if (e) {
                e.innerHTML = sCaptionHTML
            }
            
            var e = document.getElementById("fpGalleryDescCell_" + sID)
            if (e) {
                var sDesc = document.getElementById("fpGalleryDescriptions_" + sID).getElementsByTagName("div")
                e.innerHTML = sDesc[iIndex]?sDesc[iIndex].innerHTML:""
            }

        }
    }
}

function fp_ScrollLeft(sID) {
    var el = document.all["fpGalleryListCell_" + sID];
    if (el && fp_ie4()) {
        var coll = el.children.tags("A");
        var count = 20;

        if (coll) {
            for (i=1;i<coll.length;i++) {
                if (coll(i).style.display != "none") {
                    coll(i-1).style.display = "inline";
                    break;    
                }
            }
            
            for (i=0;i<coll.length;i++) {
                if (coll(i).style.display != "none") {
                    var images = coll[i].children.tags("img");
                    count = count + 20 + images[0].width;
                    
                    if (count > widthLength)                
                        coll(i).style.display = "none";
                }
            }

            if ((el.scrollWidth - 5) >= el.clientWidth) {
                var btn = document.all["fpGalleryRightBtn_" + sID]
                if (btn && rightdisabled) {
                    rightdisabled = false;
                    te = btn.src
                    btn.src = btn.getAttribute ? btn.getAttribute("lowsrc") : btn.lowsrc
                    btn.lowsrc = te
                }
            }
            
            if (coll(0).style.display != "none") {
                var btn = document.all["fpGalleryLeftBtn_" + sID]
                if (btn && !leftdisabled) {
                    leftdisabled = true;
                    te = btn.src
                    btn.src = btn.getAttribute ? btn.getAttribute("lowsrc") : btn.lowsrc
                    btn.lowsrc = te
                }
            }
        }
        
    }
}

function fp_ScrollRight(sID) {
    var el = document.all["fpGalleryListCell_" + sID];
    if (el && fp_ie4()) {
        if (!rightdisabled)
        {
            var coll = el.children.tags("A");
            if (coll) {
                var state = 0;
                var count = 20;
                for (i=0;i<coll.length;i++) {
                    if (state == 0)
                    {
                        if (coll(i).style.display != "none") {
                            coll(i).style.display = "none";    
                            state = 1;
                        }
                    }
                    else{
                        var images = coll[i].children.tags("img");
                        count = count + 20 + images[0].width;
                        if (count <= widthLength)
                            coll(i).style.display = "inline";
                        else
                            coll(i).style.display = "none";
                    }
                }
            }
        
            var btn = document.all["fpGalleryRightBtn_" + sID];
            if (btn && coll(coll.length - 1).style.display != "none") {
                rightdisabled = true
                te = btn.src
                btn.src = btn.getAttribute ? btn.getAttribute("lowsrc") : btn.lowsrc
                btn.lowsrc = te
            }
            
            var btn = document.all["fpGalleryLeftBtn_" + sID];
            if (btn && leftdisabled) {
                te = btn.src
                btn.src = btn.getAttribute ? btn.getAttribute("lowsrc") : btn.lowsrc
                btn.lowsrc = te
                leftdisabled = false
            }
        }        
    }
}