//var http_request = false; 

var http_request = false; 

function formURL () {
	var url = 'vp.php?';
	if (document.getElementById('hold0')){
		for (i = 0; i < 5; i++) {
			if (document.getElementById('hold'+i).innerHTML == '<b>HOLD</b>')
			url = url + 'h' + i + '&';
		} 
	}
	if (bet = document.getElementById('bet')) url = url + 'bet=' + bet.innerHTML + '&';
	return url;
}

function readVP(btn) {
	btn.disabled=true;
	var url = formURL();
	
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
    	http_request = new XMLHttpRequest();
       }
	else if (window.ActiveXObject) { // IE
       http_request = new ActiveXObject("Microsoft.XMLHTTP");
       }
    http_request.onreadystatechange = ajaxContents;
    http_request.open('GET', url, true);
    http_request.send(null);

    }

   function ajaxContents() {
       if (http_request.readyState == 4) {
           if (http_request.status == 200) {
              document.getElementById('page').innerHTML = http_request.responseText;
           } else {
              document.getElementById('page').innerHTML = 'error';
           }
       }
   }
   
   function hold(id) {
   	var hold = '<b>HOLD</b>';
   		
   		if (document.getElementById('hold'+id).innerHTML == '<b>HOLD</b>') {
   			document.getElementById('hold'+id).innerHTML = '';
   		}
   		else {
   			document.getElementById('hold'+id).innerHTML = hold;
   		}
   }
   
   function incBet () {
   	var bet = parseInt(document.getElementById('bet').innerHTML);
   		if (bet < 5) {
   			document.getElementById('bet').innerHTML = bet + 1;
   		}
   }
      
   function decBet () {
   	var bet = parseInt(document.getElementById('bet').innerHTML);
   		if (bet > 1) {
   			document.getElementById('bet').innerHTML = bet - 1;
   		}
   }