function openFullscreen(url){
    var ah = screen.availHeight;
    var aw = screen.availWidth;
    var myWin = window.open(url, "resoneidoscope", "left=0, screenX=0, top=0, screenY=0, height=" + ah + ", width=" + aw + ", scrollbars=no, resizable=no, toolbar=no, directories=no, location=no, menubar=no, status=yes");
    myWin.moveTo(0, 0);
    myWin.resizeTo(aw, ah);
	myWin.focus();
	}
function winOpen(url){
    var myWin = window.open(url, "win", "height=600, width=700, scrollbars=yes, resizable=no, toolbar=no, directories=no, location=no, menubar=no, status=yes");
	}

function chgImg(fileName,imgName){
document.images[imgName].src = fileName;
}