function openSlideshow(){
	document.getElementById('slideholder').style.display='';
	pausecomp(400);
	document.getElementById('slideholder').id='slideholdero';
	document.getElementById('closebtn').style.display='';
	document.getElementById('prevbtn').style.display='';
	document.getElementById('slide1').style.display='';
	document.getElementById('slidetxt1').style.display='';
	document.getElementById('nextbtn').style.display='';
}
function switchSlide(x){
	if(x>lastslide)x=1;
	if(x<1)x=lastslide;
	document.getElementById('slide'+curslide).style.display='none';
	document.getElementById('slide'+x).style.display='';
	document.getElementById('slidetxt'+curslide).style.display='none';
	document.getElementById('slidetxt'+x).style.display='';
	curslide = x;
}
function closeSlideshow(){
	document.getElementById('slide'+curslide).style.display='none';
	document.getElementById('slidetxt'+curslide).style.display='none';
	document.getElementById('closebtn').style.display='none';
	document.getElementById('prevbtn').style.display='none';
	document.getElementById('nextbtn').style.display='none';
	document.getElementById('slideholdero').id='slideholderc';
	pausecomp(100);
	document.getElementById('slideholderc').style.display='none';
	pausecomp(100);
	history.go(-1);
}
function pausecomp(millis){
	var date = new Date();
	var curDate = null;
	do { curDate = new Date(); }
	while(curDate-date < millis);
}