// BROWSER SNIFFER
// this is used for the zoom slideshow

var exclude=1;
var agt=navigator.userAgent.toLowerCase();
var win=0;var mac=0;var lin=1;
if(agt.indexOf('win')!=-1){win=1;lin=0;}
if(agt.indexOf('mac')!=-1){mac=1;lin=0;}

var lnx=0;if(lin){lnx=1;}
var ice=0;
var ie=0;
var ie4=0;
var ie5=0;
var ie6=0;
var com=0;
var dcm;
var op5=0;
var op6=0;
var op7=0;
var ns4=0;
var ns6=0;
var ns7=0;
var mz7=0;
var kde=0;
var saf=0;

if(typeof navigator.vendor!="undefined" && navigator.vendor=="KDE"){
	var thisKDE=agt;
	var splitKDE=thisKDE.split("konqueror/");
	var aKDE=splitKDE[1].split("; ");
	var KDEn=parseFloat(aKDE[0]);
	if(KDEn>=2.2){
		kde=1;
		ns6=1;
		exclude=0;
		}
	}
else if(agt.indexOf('webtv')!=-1){exclude=1;}
else if(typeof window.opera!="undefined"){
	exclude=0;
	if(/opera[\/ ][5]/.test(agt)){op5=1;}
	if(/opera[\/ ][6]/.test(agt)){op6=1;}
	if(/opera[\/ ][7-9]/.test(agt)){op7=1;}
	}
else if(typeof document.all!="undefined"&&!kde){
	exclude=0;
	ie=1;
	if(typeof document.getElementById!="undefined"){
		ie5=1;
		if(agt.indexOf("msie 6")!=-1){
			ie6=1;
			dcm=document.compatMode;
			if(dcm!="BackCompat"){com=1;}
			}
		}
	else{ie4=1;}
	}
else if(typeof document.getElementById!="undefined"){
	exclude=0;
	if(agt.indexOf("netscape/6")!=-1||agt.indexOf("netscape6")!=-1){ns6=1;}
	else if(agt.indexOf("netscape/7")!=-1||agt.indexOf("netscape7")!=-1){ns6=1;ns7=1;}
	else if(agt.indexOf("gecko")!=-1){ns6=1;mz7=1;}
	if(agt.indexOf("safari")!=-1 || (typeof document.childNodes!="undefined" && typeof document.all=="undefined" && typeof navigator.taintEnabled=="undefined")){mz7=0;ns6=1;saf=1;}
	}
else if((agt.indexOf('mozilla')!=-1)&&(parseInt(navigator.appVersion)>=4)){
	exclude=0;
	ns4=1;
	if(typeof navigator.mimeTypes['*']=="undefined"){
		exclude=1;
		ns4=0;
		}
	}
if(agt.indexOf('escape')!=-1){exclude=1;ns4=0;}
if(typeof navigator.__ice_version!="undefined"){exclude=1;ie4=0;}

// END BROWSER SNIFFING

    
function start_slideshow(label, num_frames, delay) {

var start_frame = 1;
var end_frame = num_frames;

setTimeout(switch_slides(start_frame, start_frame, end_frame, delay, label), 0);
}
                            
function switch_slides(frame, start_frame, end_frame, delay, label) {
        return (function() {

            if (ie6 == 0) Effect.Fade(label + frame, {duration: 2.0});
            else if (ie6 == 1) document.getElementById(label + frame).style.display = 'none';

            if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }

            if (ie6 == 0) setTimeout("Effect.Appear('" + label + frame + "', {duration: 2.0})", 0);
            else if (ie6 == 1) document.getElementById(label + frame).style.display = 'block';

            setTimeout(switch_slides(frame, start_frame, end_frame, delay, label), delay + 0);
        })
    }