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) {
	objectPhotoSlide.innerHTML='<img src="' + evt.src +'" id="largePhoto" alt="Large Photo" border="0" />';
	objectPhotoSlide.innerHTML+='<p>' + evt.alt +'</p>';
	objectLargePhoto=document.getElementById('largePhoto');
	livePageWidth = findLivePageWidth();
	newLeft = ((livePageWidth/2)-8) - 360;
	objectSlide.style.left = newLeft + 'px';
	objectSlide.style.top = 25 + 'px';
	objectSlide.style.display = 'block';
	objectCover.style.display = 'block'; 

// First, determine how much the visitor has scrolled 
	var scrolledX, scrolledY; 
	if(self.pageYOffset) { 
		scrolledX = self.pageXOffset; 
		scrolledY = self.pageYOffset; 
		} else if(document.documentElement && document.documentElement.scrollTop) { 
			scrolledX = document.documentElement.scrollLeft; 
			scrolledY = document.documentElement.scrollTop; 
			} else if(document.body) { 
				scrolledX = document.body.scrollLeft; 
				scrolledY = document.body.scrollTop; 
	} 

// Next, determine the coordinates of the center of browser's window 

	var centerX, centerY; 
	if(self.innerHeight) { 
		centerX = self.innerWidth; 
		centerY = self.innerHeight; 
		} else if(document.documentElement && document.documentElement.clientHeight) { 
			centerX = document.documentElement.clientWidth; 
			centerY = document.documentElement.clientHeight; 
			} else if(document.body) { 
				centerX = document.body.clientWidth; 
				centerY = document.body.clientHeight; 
	} 

// Xwidth is the width of the div, Yheight is the height of the 
// div passed as arguments to the function: 
	var leftOffset = scrolledX + (centerX - document.body.clientWidth) / 2; 
	var topOffset = scrolledY + (centerY - 535) / 2; 
 
//	objectSlide.style.left = leftOffset + 'px';
	objectSlide.style.left = 'auto';
	if(topOffset<0)topOffset=20; 
	objectSlide.style.top = topOffset + 'px'; }

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