function popitup(url, width, height) {
	h = screen.height;
	if (h<900) {
		newwindow=window.open(url,'name','scrollbars=1,resizable=1,height=' +  h + ',width=' + width);
	} else {
		newwindow=window.open(url,'name','scrollbars=1,resizable=1,height=' +  height + ',width=' + width);
	}
	if (window.focus) {newwindow.focus()}
	return false;
}

function maximize(maxDiv){
	if(document.getElementById && document.createTextNode){
	  if(document.getElementById(maxDiv)){
		document.getElementById(maxDiv).className='maximized';
	  }
	}
}
function minimize(minDiv){
	if(document.getElementById && document.createTextNode){
	  if(document.getElementById(minDiv)){
		document.getElementById(minDiv).className='minimized';
	  }
	}
}

//slideshow (also uses maximize(maxDiv); and minimize(minDiv);)
var loop_count=0;
var on=true;
timeoutSet=false;
function slideshow() {
	if(timeoutSet==true){clearTimeout(t);}
	if(on){
		total = countSlideshowDivs();
		loop_count++;
		for(i=1; i<=total; i++){
			minimize("slide"+i);
		}
		if(loop_count==total+1){loop_count=1;}
		maximize("slide"+loop_count);
		t=setTimeout("slideshow()",8000);
		timeoutSet=true;
	}else{
		clearTimeout(t);
	}
}
function showSlide(slide){
	stopSlideshow();
	loop_count = parseInt(slide.substring(5));
	total = countSlideshowDivs();
	for(i=1; i<=total; i++){
		minimize("slide"+i);
	}
	maximize(slide);
}
function startSlideshow(){
	on=true;
	slideshow()
	document.getElementById('startstop').innerHTML = '<a href="javascript:stopSlideshow();void(0);" id="pause">pause slideshow</a>';
}
function stopSlideshow(){
	on=false;
	document.getElementById('startstop').innerHTML = '<a href="javascript:startSlideshow();void(0);" id="start">start slideshow</a>';
}
function nextSlide(){
	total = countSlideshowDivs();
	if(loop_count==total){
		showSlide( "slide"+((total-loop_count)+1) );
	}else{
		showSlide("slide"+((total-(total-loop_count))+1));
	}
}
function prevSlide(){
	var total = countSlideshowDivs();
	if(loop_count==1){
		showSlide("slide"+total);
	}else{
		showSlide("slide"+(loop_count-1));
	}
}
function countSlideshowDivs(){
	total=0;
	for(i=1; i<100; i++){
		if(document.getElementById && document.createTextNode){
			if(document.getElementById("slide"+i)){
				total=i;
			}else{
				return total;
				break;
			}
		}
	}
}
//end slideshow