function NewXmlHttp()
{
	var xmlHttp;
	if(window.XMLHttpRequest){ // FF, Opera, Safari
		try
		{
			xmlHttp	= new XMLHttpRequest ();
		}
		catch(e)
		{
			xmlHttp	= null;
		}
	
	}
	else if(window.ActiveXObject){ // IE..
		var xmlHttpVersion = new Array ("MSXML2.XMLHTTP.6.0",
			"MSXML2.XMLHTTP.5.0",
			"MSXML2.XMLHTTP.4.0",
			"MSXML2.XMLHTTP.3.0",
			"MSXML2.XMLHTTP",
			"Microsoft.XMLHTTP");
			for(var i=0; i<xmlHttpVersion.length; i++){
				try
				{
					xmlHttp	= new ActiveXObject(xmlHttpVersion[i]);		
				}
				catch(e){
					xmlHttp = null;	
				}
			}		
	}
	
		if(!xmlHttp){
			alert ("Błąd podczas tworzenia obiektu xmlHttp");
		}
		else{
			return xmlHttp;
			
		}
}

function Confirm(text,location) {
	if (confirm(text)) {
		parent.location.href=location;return true;
	} else {}
}

function Confirm_(text,location,pswd) {
	var echo=prompt(text,"");
	if (echo != null && echo == pswd) {parent.location.href=location;}
}


function Realizacje(blok, max_blok, lang){
	var url="?a="+blok+"&lang="+ lang +"";
	var newConn = NewXmlHttp();
	myRand = parseInt(Math.random()*99999999);
	newConn.open("GET","obiekty/ajax/realizacje.php" + url + "&rand=" + myRand, true);
	newConn.onreadystatechange = function(){ 
		if(newConn.readyState==4){		
			if(newConn.status==200){											   
				var box = document.getElementById('realizacje');
				box.innerHTML = newConn.responseText ;					
			}
		}
	};
	newConn.send(null);
	
	blok_foto=blok+1;
	if(blok_foto>max_blok){blok_foto=1;} 
	if(max_blok > 1){
		setTimeout("Realizacje("+ blok_foto +", "+ max_blok +");", 10000);	
	}
}

function send_mail(){
	var newConn = NewXmlHttp();	
	newConn.open("POST","obiekty/ajax/email.php", true);
	
	var myRand = parseInt(Math.random()*99999999);
	var tresc = document.getElementById('f_text').value;
	var email = document.getElementById('f_mail').value;	
	var parametry = "tresc="+ tresc +"&email="+ email +"&rand=" + myRand;
	
	newConn.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	newConn.setRequestHeader("Content-length", parametry.length);
	newConn.setRequestHeader("Connection", "close");
	
	newConn.onreadystatechange = function(){ 
		if(newConn.readyState==1){
			var box = document.getElementById('form_mail');
			box.innerHTML = '<br /><div style="text-align: center;"><img src="ajax_loader.gif" style="border: 0px;" alt="Wait.." /></div>';
		}		
		if(newConn.readyState==4){		
			if(newConn.status==200){											   
				var box = document.getElementById('form_mail');
				box.innerHTML = newConn.responseText ;					
			}
		}
	};		
	
	newConn.send(parametry);	
}