var http = createRequestObject();
var temp;

function createRequestObject()
{
    var ro;
    var browser = navigator.appName;
    if(browser == 'Microsoft Internet Explorer'){
        ro = new ActiveXObject('Microsoft.XMLHTTP');
    }
    else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var did;

function handleResponse() 
{
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();
            document.getElementById(did).innerHTML = http.responseText;          
    }
}



function show_page1(event, divid)
{
	did=divid;	

		http.open('get', event);
		http.onreadystatechange = handleResponse;
    	http.send(null);
    	document.getElementById(divid).style.display = 'block';	
    	temp = 1;
}

function show_page2(event, id, inputid, input1id)
{
	did = id;	
	val = document.getElementById(inputid).value;
	kolvo = document.getElementById(input1id).value;
	kurs =  document.getElementById('kurs').value;
		http.open('get', event+'&val='+val+'&kurs='+kurs+'&kolvo='+kolvo);
		http.onreadystatechange = handleResponse;
    	http.send(null);
    	temp = 1;

}

function show_page3(event, id, inputid, input1id,  input2id)
{
	did = id;	
	val = document.getElementById(inputid).value;
	kolvo = document.getElementById(input1id).value;
	oplacheno = document.getElementById(input2id).value;

	kurs =  document.getElementById('kurs').value;
		http.open('get', event+'&val='+val+'&oplacheno='+oplacheno+'&kolvo='+kolvo);
		http.onreadystatechange = handleResponse;
    	http.send(null);
    	temp = 1;

}