// artist photo effects 
function high(which2){
    theobject=which2;
    highlighting=setInterval("highlightit(theobject)",50);
    borderit(which2,"black");
}
function low(which2){
    clearInterval(highlighting)

    var object = which2.style;
    object.opacity = 0.6;  
    object.MozOpacity = 0.6;
    object.KhtmlOpacity = 0.6;
    if (which2.filters) object.filter = "alpha(opacity=60)";
    borderit(which2,"white");
}
function borderit(which,color){
    //if IE 4+ or NS 6+
    if (document.all||document.getElementById){
        which.style.borderColor=color
    }
}
function highlightit(cur2){
        
        var object = cur2.style;
        object.opacity = 0.9;  
        object.MozOpacity = 0.9;
        object.KhtmlOpacity = 0.9;
        if (cur2.filters) object.filter = "alpha(opacity=" + (cur2.filters.alpha.opacity+20) + ")";
        if (window.highlighting) clearInterval(highlighting);
}

var isMac  = (navigator.platform.toLowerCase().indexOf('mac') != -1)

function wl(t) {
GE('logger').innerHTML = GE('logger').innerHTML + "<br>"+ t;
}
function hr(){
    wl("<hr>")
}
function fnImgEff(oL){

    if(typeof(oL)=="string") oL = document.getElementById(oL)

    if(oL){

        if(isVisible1(1,oL)){
     
               if(oL.filters && !isMac)  if(oL.filters[0])  oL.filters[0].Apply();
              // if(isParentVisible(oL,1)) fnShowHideL(oL,'visible')
              // if(isVisible1(1,oL)) fnShowHideL(oL,'visible')
	           if(oL.filters && !isMac)  if(oL.filters[0]) oL.filters[0].Play();
	    }
	    else{
            sID = oL.id
            if(!(sID)) oL.id = generateID()	;
	        setTimeout('fnImgEff("'+oL.id+'")', 200)
	        
	        }
	}	
	
	
}
function fnShowHideL(oL,sProp){
	if(typeof(oL) =='string') oL = document.getElementById(oL)
	if(oL.style) oL.style.visibility=sProp;
}
/////////////////////////////////////////////
     function isVisible1(deep,oL) {
        var vis = YAHOO.util.Dom.getStyle(oL, 'visibility') != 'hidden' 
               && YAHOO.util.Dom.getStyle(oL, 'display') != 'none';
        if(!deep || !vis){
            return vis;
        }
        var p = oL.parentNode;
        while(p && p.tagName.toLowerCase() != 'body'){
            if(YAHOO.util.Dom.getStyle(p, 'visibility') == 'hidden' || YAHOO.util.Dom.getStyle(p, 'display') == 'none'){
                return false;
            }
            p = p.parentNode;
        }
        return true;
    }
/////////////////////////////////////////////

//-------------------------------
function PlayFadeEff(sFID){
        shiftOpacity(sFID, 1000)
}

//change the opacity for different browsers
function changeOpacity(opacity, id) {
    if (document.getElementById(id)){
        var object = document.getElementById(id).style;
        object.opacity = (opacity / 101);  // delete to 101 and not to 100 for avoiding the flicker (when fading in) at the end
        object.MozOpacity = (opacity / 101);
        object.KhtmlOpacity = (opacity / 101);
        object.filter = "alpha(opacity=" + opacity + ")";
    }
} 

function shiftOpacity(id, millisec) { 
    //if an element is invisible, make it visible, else make it ivisible 
        changeOpacity(0, id);
        FadeImage(id, 0, 100, millisec); 
} 

var arFadeTO = new Array();
function FadeImage(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0; 
    var i;
    for(i = opacStart; i <= opacEnd; i++)
        {
        setTimeout("changeOpacity(" + i + ",'" + id + "')",(timer * speed));
        timer++;
    }
   
}
function generateID(){
        dt=new Date;
        sID = "fa"+(dt.getMonth() + 1)+"_"+dt.getDate()+"_"+dt.getYear()+"_"+dt.getHours()+"_"+dt.getMinutes()+"_"+dt.getSeconds()
        s = Math.random().toString();
        s = s.substr(2);
        sID += "_"+ s +'_id';
    
     return sID
}

function ef1(o){
    sID = o.id 
    if(!(sID)) o.id = generateID()
    PlayFadeEff(sID)
    
}