function prijevod(){
			
            var sjezika = document.getElementById('sjezika').value;
			var najezik = document.getElementById('najezik').value;
            var tekst   = document.getElementById('original').value;
            
            document.getElementById('loderprijevod').style.visibility = "visible";
			
			
				xmlhttp=GetXmlHttpObject();
				
				//xmlhttp=new XMLHttpRequest();
				xmlhttp.onreadystatechange= function() { 
					if (xmlhttp.readyState==4){
						if (xmlhttp.status==200){
							writeHTML(xmlhttp, "prijevod");
							document.getElementById('loderprijevod').style.visibility = "hidden";
						}
					}	
				}
				
				var params = "sa="+sjezika+"&na="+najezik+"&tekst="+tekst;	
								
				// POST	
				var url="google/index.php";
				xmlhttp.open("POST",url,true);
				xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
				xmlhttp.send(params);
				
		
			
		}
		
		
		function GetXmlHttpObject(){
			//za provjeru ajax
			var xmlHttp=null;
			
			try{
				// Firefox, Opera 8.0+, Safari
				xmlHttp=new XMLHttpRequest();
			}
				  catch (e){
				  		// Internet Explorer
					  try{
						xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
					  }
					  catch (e){
						xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				  	  }
			 }
			
			return xmlHttp;
		}
		
		
		function writeHTML(req, kojiDiv) {
			document.getElementById(kojiDiv).innerHTML = req.responseText;
		}