function popWin(url, width, height, scrolls){
	  var url = url;
	  var winW = width;
	  var winH = height;
	  var winScrolls = scrolls;
	  window.open(url,"my_new_window","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=" + winScrolls + ", resizable=no, copyhistory=yes, width=" + winW + ", height=" + winH + "");
	}