function movepic(img_name,img_src) {
	document[img_name].src=img_src;
}

var newwindow = '';

function popitup( url, x, y  ) {
	x = typeof(x) != 'undefined' ? x : "400";
	y = typeof(y) != 'undefined' ? y : "600";

	if (newwindow.location && !newwindow.closed) {
    		newwindow.location.href = url;
    		newwindow.focus(); }
	else {
    		newwindow=window.open(url,'htmlname','Width=' + x + ',Height=' + y + 'resizable=no');} 
}

function tidy() {

	if (newwindow.location && !newwindow.closed) {
   		newwindow.close(); }
}