function show(show, textids) {
	for(x=0 ; x<textids.length ; x++){
		if(document.getElementById(textids[x])) {
			if(textids[x] == show){
				switch(textids[x].split('_')[0]){
					case 'Text'	:   try { document.getElementById(textids[x]).style.display = 'table'; }
									catch(e) {document.getElementById(textids[x]).style.display = 'block';}
									
									break;
					case 'Image': document.getElementById(textids[x]).style.display = 'block'; break;
				}
			} else {
			
				document.getElementById(textids[x]).style.display = 'none';
			}
		}
	}
}

function toggle(id_s) {
	
	for(x = 0 ; x < id_s.length ; x++) {
	
		if (el = document.getElementById(id_s[x])) {
			if(el.style.display ==  'none' || el.style.display ==  '') {
				switch(id_s[x].split('_')[0]){
					case 'Text'	:   try { el.style.display = 'table'; }
									catch(e) {el.style.display = 'block';}
									break;
					default: el.style.display = 'block'; break;
				}
			} else {
				el.style.display = 'none';
			}
		}
	}
}
function showhide(show_id_s, hide_id_s) {

	for(x = 0 ; x < hide_id_s.length ; x++) {
		if (el = document.getElementById(hide_id_s[x]))  el.style.display = 'none';
	}
	
	for(y = 0 ; y < show_id_s.length ; y++) {
		if (el = document.getElementById(show_id_s[y])) {
			
			switch(show_id_s[y].split('_')[0]){
				case 'Text'	:   try 	 { 	el.style.display = 'table'; }
								catch(e) {	el.style.display = 'block'; }
				break;
				default:				el.style.display = 'block';
				break;
			}
			
			
		}
	}
}
function toggle_fade(id_s, fadespeed) {
	
	for(x = 0 ; x < id_s.length ; x++) {
		
		if (el = document.getElementById(id_s[x])) {
			
			if(el.style.display ==  'none' || el.style.display ==  '') {
				changeOpac('0', id_s[x]);
				switch(id_s[x].split('_')[0]){
					case 'Text'	:   try { el.style.display = 'table'; }
									catch(e) {el.style.display = 'block';}
									break;
					default: el.style.display = 'block'; break;
				}
				opacity(id_s[x],'0','100',fadespeed);
			} else {
				el.style.display = 'none';
			}
			
		}
	}
}
function showhide_fade(show_id_s, hide_id_s, fadespeed) {

	for(x = 0 ; x < hide_id_s.length ; x++) {
		if (el = document.getElementById(hide_id_s[x]))  el.style.display = 'none';
	}
	
	for(y = 0 ; y < show_id_s.length ; y++) {
		if (el = document.getElementById(show_id_s[y])) {
			changeOpac('0', show_id_s[y]);
			switch(show_id_s[y].split('_')[0]){
				case 'Text'	:   try 	 { 	el.style.display = 'table'; }
								catch(e) {	el.style.display = 'block'; }
				break;
				default:				el.style.display = 'block';
				break;
			}
			opacity(show_id_s[y],'0','100',fadespeed);
		}
	}
}


function swap(name, state) {
	if(state != 'over') document.images[name].src='images/'+name+'_dis.gif';
	else				document.images[name].src='images/'+name+'_over.gif';
}
function swap2(id, url) {
	document.images[id].src=url;
	
}
function set_submit(elementname, elementvalue) {
	document.form.elements[elementname].value=elementvalue;
	document.form.submit();
}
function set_conf(msg, elementname, elementvalue){
	var answer = confirm (msg)
	if (answer) {
			document.form.elements[elementname].value=elementvalue;
			document.form.submit();
	}
}
function conf_url(msg, url) {
	var answer = confirm (msg)
	if (answer) {
			document.location=url;
	}	
}
function show_day(dat){
	window.open('elements/show_stats_daydetails.php?date='+dat, '', 'resizable=no, menubar=no, scrollbar=no, width=400, height=500');
}
function set_check(compulsory, elementname, elementvalue) {
	emptyfields = false;
	for(x1 = 0; x1 < compulsory.length ; x1++) {
		if(document.getElementById(compulsory[x1]).value == '') emptyfields = true;
	}
	if(emptyfields) {
		alert('Please fill in all fields marked with a "*"');
		return false;
	} else {
		document.form.elements[elementname].value=elementvalue;
		document.form.submit();
	}
}

function change_text(element,text) {
	var SpanElemRef
    // get reference to the SPAN element
    if(SpanElemRef = document.getElementById(element)){

		// implement SpanElemRef.innerText = "a brand new bag"
		var new_txt = document.createTextNode(text);
		
		try {SpanElemRef.replaceChild(new_txt, SpanElemRef.childNodes[0]);}
		catch(e) {}
	}
}
	
function add_roll(d,m) {
	if(d < m) d++;
	else d = 0;
	return d;
}
function roll(c,t) {
	if(c > t) return c-t;
	if(c < 0) return t-c-2;
	else return c;
}

var y = 0;
var imgcounter = 1;
ads=[]; 
ct=0;
timecounter = 0;
ready = false;
once = true;
readyat = '-';
function slidetimer3() {
	var n=(ct+1)%images_ids.length;
	
	//checks if preload image is loaded
	if (ads[n] && (ads[n].complete || ads[n].complete==null)) ready = true;
	else ready = false;
	
	if(timecounter == 9) opacity("large_image", 100, 0, fadespeed);
	
	if(timecounter > 10 && ready && document.getElementById("large_image").style.opacity == 0) {					
		document["large_image"].src = ads[ct=n].src;
		change_text('description', images_alt[ct]);
		
		for(p=0;p<no_off_images;p++) {
			document.getElementById('small_image_'+p).src='slide.php?small='+images_ids[roll(p+n-2, images_ids.length)];
		}
		
		ready = false;
		once = true;
		readyat = '-';
		timecounter = 0;
	}
	if(timecounter == 0){
		//preload image
		opacity("large_image", 0, 100, fadespeed);
		ads[n=(ct+1)%images_ids.length] = new Image;
		ads[n].src = 'slide.php?large='+images_ids[n];
	}

	timecounter++;
	setTimeout("slidetimer3()",((2*parseInt(fadespeed))+parseInt(changespeed))/10);
}


/*
function slidetimer2() {
	steps = 50;
	imgs = images_ids.length-1;
	changespeed = parseInt(changespeed);
	fadespeed   = parseInt(fadespeed);
	
	if(y > 0 && y < (fadespeed*steps)/2) {
		changeOpac( 100-(100*y/(fadespeed*steps/2)), 'large_image');
		
		if(y < (changespeed+fadespeed)*steps) y++;
		else y = 0;

	} else if(y == (fadespeed * steps)/2){
		document.getElementById('large_image').src='slide.php?large='+images_ids[imgcounter];
		change_text('description', images_alt[imgcounter]);
		imgcounter = add_roll(imgcounter, imgs);
	
	
	
	} else if(y > (fadespeed*steps)/2 && y < fadespeed*steps) {
		changeOpac( 100*(y-(fadespeed*steps)/2)/(fadespeed*steps/2), 'large_image');
		
		if(y < (changespeed+fadespeed)*steps) y++;
		else y = 0;

	} else if(y > fadespeed*steps && y < (fadespeed+changespeed)*steps) {
		img_one = (changespeed*steps)/2/no_off_images;
		img_tot = changespeed*steps;
		chg_spd = y-fadespeed*steps;

		for(p=0;p<no_off_images;p++) {
			if(chg_spd > p*img_one) {
				document.getElementById('small_image_'+p).src='slide.php?small='+images_ids[roll(p+imgcounter-3, imgs)];
			}
		}
		
		if(y < (changespeed+fadespeed)*steps) y++;
		else y = 0;

	}
	
	
	setTimeout('slidetimer2()', 1000/steps);
	
}

var y = 0;
function slidetimer(changespeed, no_small_images) {
	
	imgs = images_ids.length-1;
	
	for(u=0;u<no_small_images;u++) {
		document.getElementById('small_image_'+u).src='slide.php?small='+images_ids[roll(y+u-2,imgs)];//+'_'+y+'_'+u+'_'+roll(y+u-2,imgs);
	}
	
	change_text('description', images_alt[roll(y+2,imgs)])
	
	opacity(imageid, 100, 0, millisec);
	
	y = add_roll(y, images_ids.length-1);
	
	opacity(imageid, 0, 100, millisec);

	setTimeout("slidetimer('" + changespeed + "', '" + no_small_images +"')",changespeed*1000);
}
*/
function fade_in(id, fadespeed) {
	
	changeOpac('0', id);
	//opacity(id,0,100,fadespeed);
	
	setTimeout("opacity('"+id+"','0','100',"+fadespeed+")", 50);
}

function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}
/*
function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);	
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i1 = 0; i1 <= 100; i1++) {
		setTimeout("changeOpac(" + i1 + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}
function fadeinout(imageid, imagefile, millisec) {
	opacity(imageid, 100, 0, millisec);
	opacity(imageid, 0, 100, millisec);
	
}
*/
function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}
/*
function preload_files(urls) {
	
	var myimages = new Array();

	for (w=0; w<urls.length; w++){
		myimages[w] = new Image();
		myimages[w].src = urls[w];
	}
	
}

function setEmbed(ID, dir) {
//var element = document.getElementById(ID);
change_text(ID,
'<embed src="'+dir+'" autostart="0" loop="0" height="0" width="0" type="'+getMimeType()+'" id="sfx"></embed>');
}// end function setEmbed
 
function getMimeType(){
	var mimeType = "application/x-mplayer2"; //default
	var agt=navigator.userAgent.toLowerCase();
	if (navigator.mimeTypes && agt.indexOf("windows")==-1) {
	//non-IE, no-Windows
		var plugin=navigator.mimeTypes["audio/mpeg"].enabledPlugin;
		if (plugin) mimeType="audio/mpeg" //Mac/Safari & Linux/FFox
	}//end no-Windows
	return mimeType
}//end function getMimeType

function playsound() {
	sfx = getElementById('sfx');
	sfx.Play();
}

function doPassVar(field, args){
	top.soundplayer_fr.document.soundplayer.SetVariable(field, args);
}

/*

src = ["image1.gif", "image2.gif", "image3.gif", "image4.gif"]
url = ["http://freewarejava.com", "http://javascriptkit.com", "http://dynamicdrive.com", "http://www.geocities.com"]
duration = 4;
ads=[]; 
ct=0;
function switchAd() {
	var n=(ct+1)%src.length;
	if (ads[n] && (ads[n].complete || ads[n].complete==null)) {
		document["Ad_Image"].src = ads[ct=n].src;
	}
	ads[n=(ct+1)%src.length] = new Image;
	ads[n].src = src[n];
	setTimeout("switchAd()",duration*1000);
}
function doLink(){
	location.href = url[ct];
} 

onload = function(){
	if (document.images) switchAd();
}
*/