function direct_email(no) {
	if(no=="3") {
  document.getElementById("email3").style.display = "";
  document.getElementById("email2").style.display = "none";
  document.getElementById("email3").focus();
	} else {
  document.getElementById("email2").style.display = "";
  document.getElementById("email3").style.display = "none";
  document.getElementById("email2").focus();
	}
}

//Æ˾÷ ½ºÅ©¸³Æ®
function popupWin(sUrl, nWidth, nHeight) { 
	nLeft = (window.screen.width - nWidth ) / 2; 
	nTop  = (window.screen.height- nHeight) / 2; 
	sF  = ""; 
	sF += "toolbar=no,location=no,menubar=no,status=no,directories=no,resizable=no,scrollbars=no"; 
	sF += ",left=" + nLeft; 
	sF += ",top=" + nTop; 
	sF += ",width=" +  nWidth; 
	sF += ",height=" + nHeight; 
	window.open(sUrl, "", sF); 
}