限制文本输入框中只能输入数字"0"到"9"

cnangel

// ================================================================
// 本函数用于限制文本输入框中只能输入数字"0"到"9",".","-"
// ================================================================
function JHshNumberText()
{
if ( !(((window.event.keyCode >= 48) && (window.event.keyCode <= 57))
|| (window.event.keyCode == 13) || (window.event.keyCode == 46)
|| (window.event.keyCode == 45)))
{
window.event.keyCode = 0 ;
}
}