function checknum(e){
   if(!e) { e = window.event; } if(!e) { return; }
    if( typeof( e.which ) == 'number' ) {
        e = e.which;
    } else if( typeof( e.keyCode ) == 'number'  ) {
        e = e.keyCode;
    } else if( typeof( e.charCode ) == 'number'  ) {
        e = e.charCode;
    }

 if((e >= 48&& e<= 57)||(e==13)||(e==8)||(e==0)){
  return true;
 }else{
  return false; 
 }
}


var xmlHttp
function GetHttp(XX)
{	var XX = null;
	try 
	{  XX = new XMLHttpRequest(); }
	catch (e)
	{  try
		{  XX = new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e)
		{  XX = new ActiveXObject("Microsoft.XMLHTTP"); }
	}
	return XX;
}


//function SwapImg(MainId)
//{ 
//        document.getElementById('AirDetail').innerHTML = "<div align='center'><br /><br /><br /><img src='Images/loading.gif' align='center' alt='waiting information' /><br /><br /><br /></div>" ;

//      xmlHttp = GetHttp(xmlHttp)
//      if (xmlHttp == null)
//      {	alert("not support");
//  	    return ;
//      }      
//      
//      var url = "admincontrol/GetData.ashx?status=Swap&Id="+MainId ;
//      xmlHttp.open("GET",url,true);
//      xmlHttp.send(null);  
//      xmlHttp.onreadystatechange = function(){
//	    if(xmlHttp.readyState == 4 || xmlHttp.readyState == 0)
//	     {  
//	         document.getElementById('AirDetail').innerHTML = xmlHttp.responseText ;
//	     }
//	 }
//}

function CallErr(result)
{   return false ;   }

   
function SwapImg(MainId) 
{   
     $get("AirDetail").innerHTML = "<div align='center'><br /><br /><br /><img src='Images/loading.gif' align='center' alt='waiting information' /><br /><br /><br /></div>" ;
     Callservice.ShowData(MainId,ChangeComp,CallErr);
}

function ChangeComp(result, methods)
{   $get("AirDetail").innerHTML =  result ;   }