function Reset() {
  var ele = document.forms[0].elements;
  for(var i=0;i<ele.length;i++){
    if((ele[i].type=="text")||(ele[i].type=="textarea")){
      ele[i].value="";
    }
  }
}

function isNumber(oNum){
  if(!oNum){
    window.alert("请输入数字");
    return false;
  }
  var strP=/^\d+(\.\d+)?$/;
  if(!strP.test(oNum)){
    window.alert("请输入数字");
    return false;
  }
  try{
    if(parseFloat(oNum)!=oNum){
      window.alert("请输入数字");
      return false;
    }
  }
  catch(ex){
    window.alert("请输入数字");
    return false;
  }
  return true;
}

function goUrl(url,query){
  if(isNumber(document.all.page.value)){
    location.href=url+"?"+query;
  }
}

String.prototype.getQuery = function(name) {
  var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
  var r = this.substr(this.indexOf("\?")+1).match(reg);
  if (r!=null){
    return r[2];
  }
  return "";
}

function CallClip(param)
{
    var txt = document.body.createTextRange();
    txt.moveToElementText(param);
    txt.select();
    txt.execCommand('Copy');
}

function fnTrapKD(btn){
  if (document.all){
    if (event.keyCode == 13){
      btn.click();
      event.returnValue = false;
      event.cancel = true;
      return false;
    }
  }
  else if (document.getElementById){
    if (event.which == 13){
      event.returnValue = false;
      event.cancel = true;
      btn.click();
      return false;
    }
  }
  else if(document.layers){
    if(event.which == 13){
      event.returnValue = false;
      event.cancel = true;
      btn.click();
      return false;
    }
  }
}