//IE6去除png灰色背景
$(document).ready(function () {
  $(document).pngFix();

  /*
  //禁用鼠标右键
  $(document).bind("contextmenu", function (e) {
  return false;
  });

  //禁止选择页面内容
  document.onselectstart = new Function("event.returnValue=false");
  */
});

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;
    }
}