// JavaScript Document
function GetXmlHttpObject(){
	 var xmlHttp=null;
	 
	 try
		{
	   // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		}
	 catch (e)
		{
	
	  // Internet Explorer
	   try
		  {
		  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		  }
	   catch (e)
		  {
		  
			 xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		  
		  }
		}
		return xmlHttp;

 }
 function showPL(){
	var level=document.getElementById("level").value;
	var level2=document.getElementById("level2").value;
	var cid=document.getElementById("cid").value;
		if (level.length>0&&level2.length>0&&Number(level)<Number(level2))
		{ 
	
			xmlHttp=GetXmlHttpObject();
			  
			if (xmlHttp==null)
				{
				alert ("Your browser does't support AJAX£¡");
				return;
				}
			
			var url="xmlHttp.php";
			url=url+"?level="+level+"&level2="+level2+"&cid="+cid;
			url=url+"&random="+Math.random();
			xmlHttp.onreadystatechange=levelStateChanged;
			xmlHttp.open("GET",url,true);
			xmlHttp.send(null);
		}
		if(level.length==0||level2.length==0||level>level2){
			document.getElementById("price").value="";
	        document.getElementById("time").value="";
			document.getElementById("free").value="";
			
			
			}
		
}
	
function levelStateChanged(){ 

	  if (xmlHttp.readyState==4)
	  { 
	  document.getElementById("pl_info").innerHTML=xmlHttp.responseText;
	  }
	  
}	
//////////////////////////
function check(){
	var level=document.getElementById("level").value;
	var level2=document.getElementById("level2").value;
	
		if(level.length==0||level2.length==0||Number(level)>Number(level2))
		return false;
		else
		return true;
		
}