// loads picture and caption

window.onload = prepareGallery;

function prepareGallery(){
	
	//check if browser supports get's
	if(document.getElementsByTagName || document.getElementByID){
			//check if imagegallery id exists
		if(document.getElementById("imagegallery")){

			var gallery = document.getElementById("imagegallery");
			var links = gallery.getElementsByTagName("a");
			
			for( var i=0; i < links.length; i++){
				
				links[i].onclick = function(){
					return showPic(this);
				}
			}//end for		
		}//end if imagegallery
	}//if elements
}

function showPic(whichpic) {
	if(document.getElementById("placeholder")){
		
		var source = whichpic.getAttribute("href");
		var placeholder = document.getElementById("placeholder");
		placeholder.setAttribute("src",source);
		
		//check if id picDesc exists
		if(document.getElementById("picDesc")){
			//check if there is text in title if not leave blank
			if(whichpic.getAttribute("title")){
				var text = whichpic.getAttribute("title");
			} else {
				var text = "";
			}
			
			var picDesc = document.getElementById("picDesc");
			picDesc.firstChild.nodeValue = text;
		}
		//end check pic Desc
		return false;
	
	} else {
		return true;
	}
}