function findLivePageWidth() {
    if (window.innerWidth)
	return window.innerWidth;
    if (document.body.clientWidth)
	return document.body.clientWidth;
    return (null);
}

function initSlides() {
    objectSlide=document.getElementById('slide');
    objectCover=document.getElementById('cover');
    objectPhotoSlide=document.getElementById('photoSlide');
}


function showSlide(evt) {

    var str1 = evt.baseURI;
    var n1 = str1.lastIndexOf("/");
    var strbase = str1.slice(0,n1+1);

    var str2 = evt.src;
    var n2 = str2.lastIndexOf("/");
    var strsuffix = str2.slice(n2+1,str2.length);

    var strsrc = strbase + "origpics/" + strsuffix;

    //objectPhotoSlide.innerHTML='<img src="' + evt.src +'" id="largePhoto" width="60%" alt="Large Photo" border="0" />';
    objectPhotoSlide.innerHTML='<p><font size="3">' + evt.alt +'</font></p>';
    objectPhotoSlide.innerHTML+='<img src="' + strsrc +'" id="largePhoto" width="100%" alt="Large Photo" border="0" />';
    //objectPhotoSlide.innerHTML+='<p>' + evt.alt +'</p>';
    objectLargePhoto=document.getElementById('largePhoto');
    livePageWidth = findLivePageWidth();
    newLeft = ((livePageWidth/2)-8) - (400);
    objectSlide.style.left = newLeft + 'px';
    objectSlide.style.display = 'block';
    objectCover.style.display = 'block';
}


function hideSlide() {
    objectSlide.style.display = 'none';	
    objectCover.style.display = 'none';
}