//-- calls the zoom image, needs index of image being displayed to reference its enlarged

function zoomImage(){           

    var imgTitle = (displayName!="")?displayName:siteName;
	var id = thumbsel.value;
	var desc = thumbdesc.value;
//    var alt_name = Alts[i];

    if (ZoomImg[id] && ZoomImg[id]!="") 

        popUpZoomImage(id, desc);

}


//---- Generates Gallery  ------------------------------------------------

function generateZoomGallery(){

    // loop for initializing thumb cells

    for (i=0; i<=ZoomImg.length-1; i++) {

        if (ZoomImg[i]){

            // img has no thumb? assign itself

            if (!(Thumbs[i])||(Thumbs[i]=="")) Thumbs[i] = ZoomImg[i];                  

            // separator between thumbs

            separator = (i!=maxThumbsPerRow-1)?'<td width="'+thumbsSep+'"> </td>':'';   

            document.getElementById("zoomCell_"+i).innerHTML = '<table border="0" cellpadding="0" cellspacing="0"><tr><td valing="middle" aling="center"><a href="javascript:void(0);" onMouseOver="displayZoomImage('+i+')"><img src="'+Thumbs[i]+'" width="'+thumbW+'" height="'+thumbH+'" border="0" id="zoomThumb_'+i+'" class="thumb-off" onMouseOver="colorzoom_'+i+'()"/></a></td>'+separator+'</tr></table>';

        }

        else    

            document.getElementById("zoomCell_"+i).style.display = 'none';              

    }

}

//generateZoomGallery();

//------------------------------------------------------------------------







//---- Calls specific image to be displayed ------------------------------

function displayZoomImage(id) {

    if (id < ZoomImg.length) {

        document.getElementById('zoomImage').src = '/site/templates/ll-ajax-loader.gif';

        var newImg = new Image();

        newImg.src = ZoomImg[id];

        newImg.onload = function(){

            document.getElementById('zoomImage').src = ZoomImg[id];                 // changes zoom image

        }

        if (document.all)

            document.getElementById('zoomImage').src = ZoomImg[id];                 // IE Bug

        for (i=0; i < ZoomImg.length; i++)  {

            if (document.getElementById('zoomThumb_'+i))

                document.getElementById('zoomThumb_'+i).className = (id!=i)?'thumb-off':'thumb-on';

        }

    }

}

//------------------------------------------------------------------------







//---- Functions for showing / hidding popImage Window -------------------

function popUpZoomImage(id, imgTitle){          

    hideInterferingElements();

    placeBlur();

    document.getElementById('popUpName').innerHTML = imgTitle ;

    displayZoomImage(id);

    var div=document.getElementById("zoomPopUp");

    var pageDimentions = getPageSize();

    var w=(pageDimentions[0]-500)/2;

    // workaround for IE's poor implementation of setAttribute method doesn't change the "style" attribute

    if (document.all)

        div.style.cssText = 'position:absolute;z-index:10000;left:'+w+'px;top:30px;display:block;';

    else

        div.setAttribute('style','position:absolute;z-index:10000;left:'+w+'px;top:30px;display:block;');

    //document.getElementsByTagName("body")[0].appendChild(div) 

}



function closePopUpImg(){

    document.getElementById('zoomPopUp').style.display = 'none';

    removeBlur();

    showInterferingElements();

}

//------------------------------------------------------------------------







//---- Functions for placing / resizing / removing blur window -----------

function placeBlur(){

    if (!document.getElementById("BlurWrapper")) {              // check if the black background exist

        var div=document.createElement("div");                  // create the blur element

        div.id="BlurWrapper";

        //create and place a blur div (with z-index:9999) inside the blur wrapper 

        div.innerHTML= "<div onclick=\"closePopUpImg()\" id=\"Blur\" style=\"position:absolute;background:#000;opacity: 0.30;-moz-opacity: .3;filter: alpha(opacity=30);width:100%;height:500px;top:0;left:0;right:0;bottom:0;z-index:9999;border:0 \"> </div>";

        //more settings to put the blur in the right position in IE

        if (document.all) 

            div.style.width=(document.body.offsetWidth-20)+"px";

        var tt=document.createTextNode(" ");

        div.appendChild(tt);

        document.getElementsByTagName("body")[0].appendChild(div)       

        window.scroll(0,0)

        resizeBlur();

        addEvent(window, 'resize', resizeBlur, false);

    }

}

function resizeBlur(){

    var pageDimentions = getPageSize();

    document.getElementById("Blur").style.width=pageDimentions[0]+'px';

    document.getElementById("Blur").style.height=pageDimentions[1]+'px';

}

function removeBlur(){

    if (document.getElementById("BlurWrapper")) {

        popOBJ(document.getElementById("BlurWrapper"));     // here the blur is removed 

        removeEvent(window, 'resize', resizeBlur, false);

    }

}

function popOBJ(pObj){

    if (pObj)

        pObj.parentNode.removeChild(pObj);

}

//------------------------------------------------------------------------







//---- Functions for hidding / show selects and flash search -------------

function hideInterferingElements(){

    displaySelectBoxes(false);

    //document.getElementById("flash_search").style.display='none';

}

function showInterferingElements(){

    displaySelectBoxes(true);

    //document.getElementById("flash_search").style.display='';

}

function displaySelectBoxes(state){

    selects = document.getElementsByTagName("select");

    for (i = 0; i != selects.length; i++) {

        selects[i].style.display = (state)?"":"none";

    }

}

//------------------------------------------------------------------------







//---- Cross-browser add/remove event functions --------------------------

function addEvent(obj, evType, fn, useCapture){

  if (obj.addEventListener){

    obj.addEventListener(evType, fn, useCapture);

    return true;

  } else if (obj.attachEvent){

    return (obj.attachEvent("on"+evType, fn));

  } else 

    return false;

}

function removeEvent(obj, evType, fn, useCapture){

  if (obj.removeEventListener){

    obj.removeEventListener(evType, fn, useCapture);

    return true;

  } else if (obj.detachEvent){

    return (obj.detachEvent("on"+evType, fn));

  } else 

    return false;

} 

//------------------------------------------------------------------------







//------------------------------------------------------------------------

// getPageSize() 

// Returns array with page width, height and window width, height

// Core code from - quirksmode.org / Edit for Firefox by pHaez

function getPageSize(){

    

    var xScroll, yScroll;

    

    if (window.innerHeight && window.scrollMaxY) {  

        xScroll = document.body.scrollWidth;

        yScroll = window.innerHeight + window.scrollMaxY;

    } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac

        xScroll = document.body.scrollWidth;

        yScroll = document.body.scrollHeight;

    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari

        xScroll = document.body.offsetWidth;

        yScroll = document.body.offsetHeight;

    }

    

    var windowWidth, windowHeight;

    if (self.innerHeight) { // all except Explorer

        windowWidth = self.innerWidth;

        windowHeight = self.innerHeight;

    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode

        windowWidth = document.documentElement.clientWidth;

        windowHeight = document.documentElement.clientHeight;

    } else if (document.body) { // other Explorers

        windowWidth = document.body.clientWidth;

        windowHeight = document.body.clientHeight;

    }   

    

    // for small pages with total height less then height of the viewport

    if(yScroll < windowHeight){

        pageHeight = windowHeight;

    } else { 

        pageHeight = yScroll;

    }



    // for small pages with total width less then width of the viewport

    if(xScroll < windowWidth){  

        pageWidth = windowWidth;

    } else {

        pageWidth = xScroll;

    }

    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 

    return arrayPageSize;

}

//------------------------------------------------------------------------
