<html> 
<head> 
<script language="javascript"> 
function couple_win() { 
//var t1s  = document.form1.t1.value.split(","); 
for (var i=0; i  < 2; i++) { //t1s.length; i++) { 
//document.form1.t1.value = t1s[i]; 
document.form1.submit(); 

return; 

</script> 
</head> 
<body> 
<form name="form1" action="couple_win.htm" target="_blank"> 
<input type="text" name="t1" value="abc,123"> 
<input type="button" name="submit1" value="submit" onclick="return couple_win();"> 
</form> 
</body> 
</html> 
既然不想改变值就不要动t1的值