var xmlHttp_usr
var id;

function chk_available(str)
{		
		id=str	
		xmlHttp_usr=GetXmlHttpObject_usr()
	if (xmlHttp_usr==null) {
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url="price.php"
	url=url+"?q="+str
	//url=url+"&sid="+Math.random()
	xmlHttp_usr.onreadystatechange=stateChanged_usr 
	xmlHttp_usr.open("GET",url,true)
	xmlHttp_usr.send(null)
}





function stateChanged_usr() 
{ 


	
	if (xmlHttp_usr.readyState==4 || xmlHttp_usr.readyState=="complete") {

		
		 
			document.getElementById('p').value=xmlHttp_usr.responseText;
			
//		document.getElementById('numeric').innerHTML=
		
		 
		

		

	} 
}

function GetXmlHttpObject_usr()
{ 
	var objXMLHttp_usr=null
	if (window.XMLHttpRequest) {
		objXMLHttp_usr=new XMLHttpRequest()
	} else if (window.ActiveXObject) {
		objXMLHttp_usr=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp_usr
}