// JavaScript Document
var qsParm = new Array();

qsParm['t'] = null;
qs();
if(qsParm['t']) play();

function qs() {
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) {
	   var pos = parms[i].indexOf('=');
	   if (pos > 0) {
	      var key = parms[i].substring(0,pos);
	      var val = parms[i].substring(pos+1);
	      qsParm[key] = val;
      }
   }
}
function jumpNext(){
	if(qsParm['t']){
		window.location = document.frmSlideshow.nextLocation.value + "?t=" + qsParm['t'];
	}
}
function togglePlay(){
	if(qsParm['t']){
		qsParm['t'] = null;
		window.document.getElementById("spanSpeed").innerHTML = "";
	}else{
		qsParm['t'] = 3;
		play();
	}
}
function speed(step){
	if(qsParm['t']){
		qsParm['t'] = parseInt(qsParm['t']) + step;
		if(qsParm['t'] < 1){
			qsParm['t'] = 1;
		}
		play();
	}else{
		qsParm['t'] = 3;
		play();
	}
}
function play(){
	window.setTimeout("jumpNext()", qsParm['t'] * 1000);
	window.document.getElementById("spanSpeed").innerHTML = "(" + qsParm['t'] + "s delay)";
}