// JavaScript Document

//here you place the ids of every element you want.
var ids=new Array('slide1','slide2', 'slide3', 'slide4', 'slide5');
currentslide='slide1';

function switchid(id){	
	hideallids();
	showdiv(id);
	currentslide=id;
}

function prevslide(){
	newslide=ids[0];
	if (currentslide=="slide1") {
		newslide=ids[ids.length-1];
		switchid(newslide);
		currentslide=newslide;
	}
	else {
		for (var i=0;i<ids.length;i++) {// use === to check for Matches. ie., identical (===), ;
			if (ids[i] == currentslide) {
				newslide=ids[i-1];
			}
		}
	}
	switchid(newslide);
	currentslide=newslide;
}

function nextslide(){
	newslide=ids[0];
	for (var i=0;i<ids.length;i++) {
		if (ids[i] == currentslide) {
			if (i < ids.length-1)
				newslide=ids[i+1];
		}
	}
	switchid(newslide);
	currentslide=newslide;
}

function hideallids(){
	//loop through the array and hide each element by id
	for (var i=0;i<ids.length;i++){
		hidediv(ids[i]);
		if (document.getElementById(ids[i])) { // DOM3 = IE5, NS6
			document.getElementById(ids[i]).style.color='#194d68';
		}
	}		  
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
		document.getElementById(id+'link').style.color='#194d68';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
		document.getElementById(id+'link').style.color= '#3218F6';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}

<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->