function winopen(url,title,width,height,sizable) {
	if(!sizable) {
		sizable="no";
		myscroll="no";
	}
	else {
		sizable="yes";
		myscroll="yes";	
	}
	param = "toolbar=no,location=no,resizable=" + sizable + ",status=0,scrollbars=" + myscroll + ",width=" + width + ",height=" + height ;
	mywin=window.open(url,title,param);
}