var semafor_kontakt=false;

function SendMailKontakt(form)
{
	if (semafor_kontakt==false)
	{
		semafor_kontakt = true;
		var xmlHttpReq = false;
	    var self = this;
	
	    if (window.XMLHttpRequest) {
	        self.xmlHttpReq = new XMLHttpRequest();
	    }
	    // IE
	    else if (window.ActiveXObject) {
	        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
	    }
	    
	    self.xmlHttpReq.open('POST', "/inc/sendmail.inc.php", true);
	    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	    self.xmlHttpReq.onreadystatechange = function() {
	        if (self.xmlHttpReq.readyState == 4) {	        	
				document.getElementById("advert").innerHTML =  self.xmlHttpReq.responseText;	
				semafor_kontakt	= false;
	        }
	    }    
 
		x= "email=" + encodeURI(form.email.value)
		+"&tresc=" + encodeURI(form.tresc.value);
		
		self.xmlHttpReq.send(x);
	}
}