function Open_req (url) {
	var object = window.open (url, "", "width=600, height=600, scrollbars=1, resizable=1");
	object.focus ();
	return object;
}
function Open_rmd (url) {
	var object = window.open (url, "", "width=600, height=550, scrollbars=1, resizable=1");
	object.focus ();
	return object;
}
function Open_sch (url) {
	var object = window.open (url, "", "width=740, height=550, scrollbars=1, resizable=1");
	object.focus ();
	return object;
}