function arrowon(n) {
eval("document.arrow"+n+".src='img/arrow.gif';");
}
function arrowoff(n) {
eval("document.arrow"+n+".src='img/blank.gif';");
}
function preload() {
simg=new Image();simg.src="img/selected.gif";
arrow=new Image();arrow.src="img/arrow.gif";
titlebg=new Image();titlebg.src="img/topbar.gif";
}
function zoom(imgname,w,h) {
eval("window.open('zoomed.html?sample="+imgname+"','testwin','toolbar=no, location=no, status=no, menubar=no, resizable=no, scrollbars=no, width="+w+", height="+h+"');");
}