var newwindow = '';

function popitup2(url,x_cor,y_cor) {


var str = "height="+ y_cor;
                str += ",width=" + x_cor;
                str += ",resize=no";

	if (!newwindow.closed && newwindow.location) {
		newwindow.close();
                 newwindow=window.open(url,'name',str,'left=333');
		if (!newwindow.opener) newwindow.opener = self;
	}
	else {
		newwindow=window.open(url,'name',str);
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus()}

}