/*
Conveyor belt slideshow script- 
© Dynamic Drive (www.dynamicdrive.com)
For full source code, 100's more DHTML scripts, and Terms Of Use, visit dynamicdrive.com
Modified by Josh Miller for the City of Elmira: http://www.ci.elmira.ny.us
*/








//Specify the slider's width (in pixels)
var sliderwidth="596px"
//Specify the slider's height
var sliderheight="50px"
//Specify the slider's slide speed (larger is faster 1-10)
var slidespeed=1
//configure background color:
slidebgcolor="#EAEAEA"


//Specify the slider's images
var leftrightslide=new Array()
var finalslide=''
for (i=1; i<pictitle.length; i++){
	leftrightslide[i]="<a href='"+galleryfilename+"?id="+i+"'><img src='"+pictures_thumbs+picsourc[i]+"' border=0></a>"
}
var copyspeed=slidespeed
leftrightslide='<nobr>'+leftrightslide.join(" ")+'</nobr>'
var iedom=document.all||document.getElementById
if (iedom)
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'</span>')
var actualwidth=''
var cross_slide, ns_slide

function startGallery(){
	var url=document.location.toString();
	urlLength=url.length;							
	y=url.lastIndexOf("html");				
	y=y+4;	
	var params=url.substring(y,urlLength);
	if( params==""){
		randomPicture();
	}
	else{
		state=params.substring(1,3);				
		if (state=="id"){
			id=params.substring(4,params.length);
			printPicture(id)
		}
		else{
			randomPicture()
		}
	}
}

function printPicture(x){
	document.write("<table border='0' cellpadding='0' cellspacing='0' width='596'>");
	document.write("<tr><td align='center'><img src='"+pictures_source+picsourc[x]+"' border='1'></td></tr>");
	document.write("<tr><td align='center'><table border='0' cellpadding='0' cellspacing='0' width='410'>");
	document.write("<tr><td width='5'><img src='pics/dot.gif' width='5' height='"+descript_height+"' border='0'></td>");
	document.write("<td valign='top' class='smalltext'><b>"+pictitle[x]+"</b><br>"+picdescr[x]+"</td>");
	document.write("</tr></table></td></tr><tr><td>");
	document.write("<table border='0' cellpadding='0' cellspacing='0' width='596'>");
	document.write("<tr><td align='center'>");
	for (j=1; j<pictitle.length; j++){
		if (j==x){
			document.write("&nbsp;<b>"+j+"</b>&nbsp;")		
		}
		else{
			document.write("&nbsp;<a href='" +galleryfilename+ "?id=" +j+ "' title='" +pictitle[j]+ "'>" +j+ "</a>&nbsp;")		
		}
		if (j%20==0){
			document.write("<br>")
		}
	}
	document.write("<br><br><span class='smalltext'>Click a thumbnail below to view enlarged photo<br><br>");
	document.write("</span></td></tr></table>");
	document.write("</td></tr></table>");
	printSlides()
}


function randomPicture(){
	ran=[Math.ceil(Math.random()*(pictitle.length-1))]
	printPicture(ran)
}






















function fillup(){
	if (iedom){
		cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
		cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
		cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
		actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
		cross_slide2.style.left=actualwidth+20+"px"
	}
	else if (document.layers){
		ns_slide=document.ns_slidemenu.document.ns_slidemenu2
		ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
		ns_slide.document.write(leftrightslide)
		ns_slide.document.close()
		actualwidth=ns_slide.document.width
		ns_slide2.left=actualwidth+20
		ns_slide2.document.write(leftrightslide)
		ns_slide2.document.close()
	}
	lefttime=setInterval("slideleft()",30)
}



window.onload=fillup

function slideleft(){
	if (iedom){
		if (parseInt(cross_slide.style.left)>(actualwidth*(-1)+8))
			cross_slide.style.left=parseInt(cross_slide.style.left)-copyspeed+"px"
		else
			cross_slide.style.left=parseInt(cross_slide2.style.left)+actualwidth+30+"px"
		if (parseInt(cross_slide2.style.left)>(actualwidth*(-1)+8))
			cross_slide2.style.left=parseInt(cross_slide2.style.left)-copyspeed+"px"
		else
			cross_slide2.style.left=parseInt(cross_slide.style.left)+actualwidth+30+"px"
	}
	else if (document.layers){
		if (ns_slide.left>(actualwidth*(-1)+8))
			ns_slide.left-=copyspeed
		else
			ns_slide.left=ns_slide2.left+actualwidth+30
		if (ns_slide2.left>(actualwidth*(-1)+8))
			ns_slide2.left-=copyspeed
		else
			ns_slide2.left=ns_slide.left+actualwidth+30
	}
}

function printSlides(){
	if (iedom||document.layers){
		with (document){
			document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
			if (iedom){
				write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
				write('<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
				write('<div id="test2" style="position:absolute;left:0px;top:0px"></div>')
				write('<div id="test3" style="position:absolute;left:-1000px;top:0px"></div>')
				write('</div></div>')
			}
			else if (document.layers){
				write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
				write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
				write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
				write('</ilayer>')
			}
			document.write('</td></table>')
		}
	}
}


//-->