function defaultImage(){
	document.getElementById('imgPlaceholder').src = Images[0];
	document.getElementById('captionHolder').innerHTML = "<span class = 'imgCaptions'>" + Captions[0] + "</span>";
	document.getElementById('photoTitle').innerHTML  = Titles[0];
}

function showImg(image){
	document.getElementById('imgPlaceholder').src = Images[image];
	document.getElementById('captionHolder').innerHTML = "<span class = 'imgCaptions'>" + Captions[image] + "</span>";
	document.getElementById('photoTitle').innerHTML  = Titles[image];
}

//runs through myimages
function imgLoop(){
		var imglen = Images.length;
		for (i=0;i<imglen;i++) 
		{
		document.write('<img class = "thumbs" src = "../images/gallery/gallery_thumbs/'+i+'.jpg" onclick = "showImg('+i+');" title = "click to enlarge" width = 100px height=100px alt = "thumbnail"/>');
		}
		
		
}