var offset = 1;

function new_window(url, name) {
	window.open(url, name);
}
function go_link(url) {
	window.location.href = url;
}
function chg_pic_src(id, name) {
	window.document.images[id+offset].src = name.src;
}
function chg_pic(id, name) {
	window.document.images[id+offset].src = name;
}