function open_window(url,name,width,height) {

	if(name == "productacc") {
		ttop = 30;
		tleft = 30;
	}
	else {
		ttop = 0;
		tleft = 0;
	}

	window.open(url, name, 'width=' + width + ',height=' + height + ',top=' + ttop + ',left=' + tleft + ',resizable,scrollbars');

}