function thumb_chg(filename) {
div=document.getElementById('thumb');
div.src="photos/"+filename+"";

}

function photo_control(piclist,direction) {
div=document.getElementById('fullpic');
picarr=piclist.split(","); //create array from list of pics sent from control buttons

//get current img src
currentpic=div.getAttribute('src');
src=currentpic.split("/");
pic=((src.length)-1);

//find out which picture we are currently seeing
for(i=0;i<picarr.length;i++) {
	if(picarr[i]==src[pic]) {
	viewed_pic=i;	
	}
}
//add or subtract 1 from the current position to go either back or forth
if(direction=='-1') {
newpic=viewed_pic-1;
}
else {
newpic=viewed_pic+1;
}
//if picture is either at the beginning or end of list then don't go any further
if(newpic<0 || newpic==(i-1)) {
newpic=viewed_pic;
return;
}
div.src="photos/full/"+picarr[newpic]+"";
//chg thumbnail with pic change
thumb_chg(picarr[newpic]);
//chg thumbnail number
thumb_nums('',newpic+1);
i=0;//fix for f(x). for some reason, if this function is called, i is not reset for the navaction f(x), so reset it here
}


function photo_blow(display) {
//document.getElementById('thumb').style.outline= "0px solid orange";
filename=document.getElementById('thumb').src;
src=filename.split("/");
pic=((src.length)-1);
var bigpic=document.getElementById('bigpic');
document.getElementById('bigpic').innerHTML="<img id='fullpic' src='photos/full/"+src[pic]+"'>";
bigpic.style.display=display;
document.getElementById('pic_control').style.display=display;
}
/*
document.getElementById(layer).innerHTML="";
photolength=photosarr.length;
var pix = new Array();
pix = photosarr;
if(photolength>1) {

	for(i=0; i< photolength; i++) { //paginate
		if(i<=5) {
		nextpic=photosarr[i];
		var ii=i+1;    
		links= '<a href="#" onMouseOver=" javascript: rollover(\''+ii+'\',\'imgs/'+ii+'_roll.gif\')" ; onMouseOut=" javascript: rollover(\''+ii+'\',\'imgs/'+ii+'_norm.gif\')"; onClick="javascript: photochange(\''+nextpic+'\',\''+layer+'\',\''+ii+'\')" onfocus=\"this.blur()\"><img id="'+ii+'" src="imgs/'+ii+'_norm.gif"></a>';
		newpic = document.createElement("DIV");
		newpic.innerHTML=links;
		
		newpic.className='imgpag';
		newpic.style.left= i*12+'px';
		}//end if
	document.getElementById(layer).appendChild(newpic);
	}//end for
	}//end photolength>1
photochange(photosarr[0],layer,'1');    
}//end function

*/