function calculator()
{
			var  result;
			var  err = new Array();
			var erroroutput ="";
			var message;
			var tigari  = document.getElementById("number").value;
			var price   = document.getElementById("price").value;
			var year    = document.getElementById("year").value;
			
			
			result = tigari*price*year*365; 
			
			tigari = parseInt(tigari);
			if (isNaN(tigari)) {
			    err.push("In cimpul numarul de tigari nu este introdus un numar.");
			}
			
			price = parseInt(price);
			if (isNaN(price)) {
			    err.push("Pretul nu este intodus corect. O varianta corecta ar fi 0.25");
			}  
			
			days = parseInt(year);
			if (isNaN(days)) {
			    err.push("In cimpul de cit timp fumezi nu este introdus un numar.");
			}
			
			if(err.length>0)
			{
				for(var i=0; i<err.length; i++)
				{
					erroroutput += i+1+") "+err[i]+"\n\n";
				} 
				alert(erroroutput);
			} else {
						
			
				if(result>0 && result<=100)
				{
					message = "Inca nu esti un fumator activ. Oprestete!";
				}
				else if(result>100 && result<=1000)
				{
					message = "Esti pe cale de disparitie";
				}
				else if(result>1000 && result<=2000)
				{
					message = "Ii sluta treaba...";
				}
				else if(result>2000 && result<=3000)
				{
					message = "Eu ma uit ca tu n-ai ce face cu banii...  ";
				}
				else if(result>3000 && result<=6000)
				{
					message = "Eu ma uit ca tu n-ai ce face cu banii...";
				}
				else if(result>6000)
				{
					message = "Esti un om perdut";
				}
				
						if(document.images)
					    {
					    
					      preload_image = new Image(24,24); 
					      preload_image.src="sys/img/loader.gif";
					 
					    }

						var nr	   = document.getElementById("number").value;
						var price  = document.getElementById("price").value;
						var year   = document.getElementById("year").value;
						var age    = document.getElementById("age").value;
						
						var sex    = document.getElementById("sex"); 
							sex    = sex.options[sex.selectedIndex].value; 
						
						var xmlHttp;
						function createXMLHttpRequest() 
						{
							if (window.ActiveXObject) {
								xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
							}
							else if (window.XMLHttpRequest) {
									xmlHttp = new XMLHttpRequest();
							}
						}
		
						function startRequest() 
						{
							createXMLHttpRequest();
							xmlHttp.onreadystatechange = function()
									{	
									    if((xmlHttp.readyState == 0)||(xmlHttp.readyState == 1)||(xmlHttp.readyState == 2)||(xmlHttp.readyState == 3))
										{
						
											document.getElementById("afisare").innerHTML = "<center><strong style=\"line-height:35px; font-size:14px;\">Se incarca...</strong><br/><img src=\"sys/img/loader.gif\"></center>";
										
										}
										
										if(xmlHttp.readyState == 4) 
										{
											 if(xmlHttp.status == 200) 
											 	{   				
													var afisare = document.getElementById("afisare");
													afisare.innerHTML = "Ai fumat tigari de " + result + " lei<br/> "+message;
													var altautor = document.getElementById('calculator');
													altautor.style.display = 'none';
												}
										}
									}

						
						
						var urlopen='calc.php?num='+nr+'&price='+price+'&year='+year+'&age='+age+"&sex="+sex;
						xmlHttp.open("GET",urlopen, true);
						xmlHttp.send(null);	
						
								
					}
				
				startRequest();
				

			}
}