function QueryString(key)
{
	var value = null;
	for (var i=0;i<QueryString.keys.length;i++)
	{
		if (QueryString.keys[i]==key)
		{
			value = QueryString.values[i];
			break;
		}
	}
	return value;
}
QueryString.keys = new Array();
QueryString.values = new Array();

function QueryString_Parse()
{
	var query = window.location.search.substring(1);
	var pairs = query.split("&");
	
	for (var i=0;i<pairs.length;i++)
	{
		var pos = pairs[i].indexOf('=');
		if (pos >= 0)
		{
			var argname = pairs[i].substring(0,pos);
			var value = pairs[i].substring(pos+1);
			QueryString.keys[QueryString.keys.length] = argname;
			QueryString.values[QueryString.values.length] = value;		
		}
	}

}

QueryString_Parse();


//_IATAno default value goes here
var IATAno="99763101";
var refid="3"

function  addAI(str) {
      var qstr
  if (str.indexOf("?") >=0)
  {
     if (QueryString("_IATAno")==null)
	     qstr = str+"&_IATAno="+IATAno;
     else 
	    qstr = str+"&_IATAno="+QueryString("_IATAno");
  }
  else
  {
     if (QueryString("_IATAno")==null)
	     qstr = str+"?_IATAno="+IATAno;
     else 
	    qstr = str+"?_IATAno="+QueryString("_IATAno");
  }
	
   
	if (QueryString("refid")==null)
		qstr = qstr+"&refid="+refid;
	else 
		qstr = qstr+"&refid="+QueryString("refid");


return qstr
   }

function  myfun(str) {
      var qstr
  if (str.indexOf("?") >=0)
  {
     if (QueryString("_IATAno")==null)
	     qstr = str+"&_IATAno="+IATAno;
     else 
	    qstr = str+"&_IATAno="+QueryString("_IATAno");
  }
  else
  {
     if (QueryString("_IATAno")==null)
	     qstr = str+"?_IATAno="+IATAno;
     else 
	    qstr = str+"?_IATAno="+QueryString("_IATAno");
  }
	
   
	if (QueryString("refid")==null)
		qstr = qstr+"&refid="+refid;
	else 
		qstr = qstr+"&refid="+QueryString("refid");
		
		 
location=qstr
   }



function mvalue(){
  
	 if (QueryString("_IATAno")==null)
	     document.searchForm._IATAno.value=IATAno;
     else 
	    document.searchForm._IATAno.value =QueryString("_IATAno");  


   	if (QueryString("refid")==null)
	    document.searchForm.refid.value=refid;
	else 
	    document.searchForm.refid.value=QueryString("refid");
		
 

}