var nCurrent=0;
var nOldAlb=false;
var bypass=false;
function changeCurrent(sId) {
	var objThumb=document.getElementById(sId)
	nNewCurrent=parseInt(sId.replace(/.*imgnav/,""));
	if (nNewCurrent!=nCurrent || bypass==true) {
		sImage=(objThumb.src.replace(oldFolder,newFolder)).replace("_thumb","");
		fadeOut("mainImage",100);
		document.getElementById(nAlbCurrent.toString()+"imgnav"+nCurrent.toString()).className="thumbnorm";
		objThumb.className='thumbselect';
		nAlbCurrent=nNewAlbCurrent;
		document.getElementById("caption-holder").innerHTML=document.getElementById(nAlbCurrent.toString()+"caption"+nNewCurrent.toString()).innerHTML;
		doesImageExist((objThumb.src.replace(oldFolder,bigFolder)).replace("_thumb","_hires"));
		nCurrent=nNewCurrent;
		bypass=false;
	} // end if
} // end function