function hidestatus(){
window.status=''
return true
}

if (document.layers)
document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT)

document.onmouseover=hidestatus
document.onmouseout=hidestatus

function init(){
  showdiv('main','');
  showdiv('results','');
  add(-1);
  showdiv('info','');
}


   /* for Mozilla */
   if (document.addEventListener) {
       document.addEventListener("DOMContentLoaded", init, null);
   }
   

   /* for other browsers */
   window.onload = init;


function request(){

	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	
        if(browser == "Microsoft Internet Explorer"){
	  request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
	  request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}

function checkout(i){
	if( isNaN(parseFloat(eval("document.myform.prompt"+i+".value"))) 
		|| eval("document.myform.prompt"+i+".value")<=0 ) 
		{
		eval("document.myform.prompt"+i+".focus()");
		eval("document.myform.prompt"+i+".select()");
		alert(':(');
		return false;
		}
	else { 
		return true; 
		}
}

function showdiv(divname,argument){
  var a = request();
  a.open('get',divname+'.php?'+argument)
  a.onreadystatechange = function(){
    if(a.readyState == 4){
      document.getElementById(divname).innerHTML = a.responseText;   
    }    
  }
  a.send(null); 
}

function showdiv_total(divname,argument,numprompts){

var php_arg = argument;

  for (i=0;i<numprompts;i++)
  	{
	php_arg = php_arg+'&prompt'+i+'='+eval("document.myform.prompt"+i+".value");
	}

  var a = request();
  a.open('get',divname+'.php?'+php_arg)
  a.onreadystatechange = function(){
    if(a.readyState == 4){
      document.getElementById(divname).innerHTML = a.responseText;   
    }    
  }
  a.send(null); 
}


function add(id){
  
  var a = request();
  
  a.open('get','add.php?id='+id)
  a.onreadystatechange = function(){
    if(a.readyState == 4){
      document.getElementById('add').innerHTML = a.responseText;   
    }    
  }
  a.send(null); 

}

function main(){
  var a = request();
  a.open('get', 'main.php');  
  a.onreadystatechange = function(){
    if(a.readyState == 4){
      document.getElementById('main').innerHTML = a.responseText;
    }    
  }
  a.send(null); 
}

function total(){
  var a = request();
  a.open('get', 'total.php');  
  a.onreadystatechange = function(){
    if(a.readyState == 4){
      document.getElementById('total').innerHTML = a.responseText;
    }    
  }
  a.send(null); 
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();