function _isIE() {
  var a = navigator.userAgent.toLowerCase();
  return (a.indexOf('msie')!=-1);
}
function _isIE7() {
  var a = navigator.userAgent.toLowerCase();
  if(a.indexOf("msie 7.")!=-1) return -1;
  return 0;
}

function winset(fname,wid,hei){
	var sc_wid = 0;var sc_hei = 0;
	var top = 0;var left=0;
	
	if(_isIE7()){
//		sc_wid =window.event.clientX;
//		sc_hei =window.event.clientY;
	}else{
		sc_wid = screen.width;
		sc_hei = screen.height;
		top = (sc_hei/2) - (hei/2);
		left = (sc_wid/2) - (wid/2);
	}
//	alert(sc_wid +" x "+ sc_hei);
	window.open(fname,'','width='+wid+',height='+hei+',top='+top+',left='+left+',status=no,directories=no,menubar=no,toolbar=no,titlebar=no,resizable=yes,scrollbars=no');

}