leftdisabled = true
rightdisabled = true
widthLength = 640

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
                        }
                }               
        }
}