if (document.images) {  
	home_over = new Image();
	home_over.src = ""+baseDir+"images/nav_home_over.gif";
	collection_over = new Image();
	collection_over.src = ""+baseDir+"images/nav_collection_over.gif";
	about_over = new Image();
	about_over.src = ""+baseDir+"images/nav_about_over.gif";
	resources_over = new Image();
	resources_over.src = ""+baseDir+"images/nav_resources_over.gif";
	discussion_forum_over = new Image();
	discussion_forum_over.src = ""+baseDir+"images/nav_discussion_forum_over.gif";
	previous_over = new Image();
	previous_over.src = ""+baseDir+"images/btn_previous_over.gif";
	next_over = new Image();
	next_over.src = ""+baseDir+"images/btn_next_over.gif";
	view_over = new Image();
	view_over.src = ""+baseDir+"images/btn_view_over.gif";
	browse_ci_over = new Image();
	browse_ci_over.src = ""+baseDir+"images/browse_ci_over.gif";
	pe_previous_over = new Image();
	pe_previous_over.src = ""+baseDir+"images/pe_previous_over.gif";
	pe_next_over = new Image();
	pe_next_over.src = ""+baseDir+"images/pe_next_over.gif";
	
	
	home_off = new Image();
	home_off.src = ""+baseDir+"images/nav_home.gif";
	collection_off = new Image();
	collection_off.src = ""+baseDir+"images/nav_collection.gif";
	about_off = new Image();
	about_off.src = ""+baseDir+"images/nav_about.gif";
	resources_off = new Image();
	resources_off.src = ""+baseDir+"images/nav_resources.gif";
	discussion_forum_off = new Image();
	discussion_forum_off.src = ""+baseDir+"images/nav_discussion_forum.gif";
	previous_off = new Image();
	previous_off.src = ""+baseDir+"images/btn_previous.gif";
	next_off = new Image();
	next_off.src = ""+baseDir+"images/btn_next.gif";
	view_off = new Image();
	view_off.src = ""+baseDir+"images/btn_view.gif";
	browse_ci_off = new Image();
	browse_ci_off.src = ""+baseDir+"images/browse_ci.gif";
	pe_previous_off = new Image();
	pe_previous_off.src = ""+baseDir+"images/pe_previous.gif";
	pe_next_off = new Image();
	pe_next_off.src = ""+baseDir+"images/pe_next.gif";
	
}

// Function to 'activate' images.
function imgOver(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_over.src");
        }
}

// Function to 'deactivate' images.
function imgOut(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_off.src");
        }
}


//Window opener functions
function pop(url,winname,w,h) { 
	topWin = (screen.availHeight - h) / 2;
	leftWin = (screen.availWidth - w) / 2;
		if (navigator.platform.indexOf('mac') != -1){
 			props = "menubar=yes,width="+w+",height="+h+",top="+topWin+",screenY="+topWin+",left="+leftWin+",screenX="+leftWin+",resizable=no"; }
		else {
			props = "width="+w+",height="+h+",top="+topWin+",screenY="+topWin+",left="+leftWin+",screenX="+leftWin+",resizable=no"; }
	var myWin = window.open(url,winname,props);
	myWin.focus();
}


// Slideshow from foner 0754

	var numOfImages;
	var currImgNumber;
	function initSlideShow(numImages, currImg) {
		numOfImages = numImages;
		currImgNumber = currImg;
	}
	
	function nextSlide(outerLayer){
		hideAll(outerLayer);
		currImgNumber++;
		if(currImgNumber > numOfImages){
			currImgNumber = 1;
		}
		var divToShow = "div" + currImgNumber;
		show(divToShow,outerLayer);
	}
	
	
	function prevSlide(outerLayer){
		hideAll(outerLayer);
		currImgNumber--;
		if(currImgNumber < 1){
			currImgNumber = numOfImages;
		}
		var divToShow = "div" + currImgNumber;
		show(divToShow,outerLayer);
	}
	
	function hideAll(outerLayer){
		for(i=1; i<numOfImages+1; i++){
			var divToHide = "div" + i;
			hide(divToHide,outerLayer);
		}
	}