function redirect_js(url) {
	if(url != "") {
		window.location.href = url;
	} else {
		alert("Wrong redirection function calling");
	}
}

function GoBack() {
	window.history.back(-1);
}

function confirmUrl(url, confirmtext) {
	if(confirm(confirmtext)) {
		redirectpage(url);
	}
}

function openWindow(url, argwidth, argheight){
	features = "width=" + argwidth + ",height=" + argheight + ",location=no,menubar=no,directories=no,toolbar=no,scrollbars=no,resizable=no,status=yes";
	open(url,'', features);
}

function CloseWindow() {
		window.close();
		window.opener.focus();
}