//ć
	//var exists;

    var reqRegion;

	var XSLBrowser;
		
	if (window.XMLHttpRequest) 
	{
		var browserName = navigator.appName; 
		
		if (browserName == "Microsoft Internet Explorer") 
		{
			XSLBrowser = "IE";
		} 
		else 
		{
			XSLBrowser = "FF";
		}
		
	} 
	else 
	{
		XSLBrowser = "IE";
	}
	
	function GetXmlHttpObject()
	{
		
		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 CheckEmail(email)
	{
	   var url = "/CheckEmail.aspx?email=" + email;
	   
	   reqRegion = GetXmlHttpObject();

	   reqRegion.open("GET", url, true);
	   
	   reqRegion.onreadystatechange = RegionCallback;
	   
	   if (window.XMLHttpRequest) 
		{
			reqRegion.send(null);
		} 
		else if (window.ActiveXObject) 
		{
			reqRegion.send();
		}
	}
	
	function RegionCallback()
	{
		var email = document.getElementById('email').value;
		var checker = document.getElementById('confirmEmail').value;
		
		if (reqRegion.readyState == 4) 
		{
			if (reqRegion.status == 200) 
			{								
				if(reqRegion.responseText=="NO")
				{
				    alert('Email already exist!');
				}
				else
				{
					if (email == checker)
					{
						Show('step2');	
					}
				    else if (email != checker)
				    {
						alert("E-Mail confirmation failed! You must insert the correct E-Mail.");
				    }
				}
			}
		}
	}