//校驗輸入字符是否為數字類型,調用方法:onkeypress="return isNumbers(event)"
function isNumbers(e)
{
var keynum
var keychar
var numcheck
if(window.event) // IE
{
keynum = e.keyCode
}
else if(e.which) // Netscape/Firefox/Opera
{
keynum = e.which
}
keychar = String.fromCharCode(keynum)
numcheck = /^(0|[1-9]\d*)$/
return numcheck.test(keychar)
}