function mailHandle(){

		var ajaxRequest; 
		
		try{
			ajaxRequest = new XMLHttpRequest();
		} catch (e){
			// Internet Explorer Browsers
			try{
				ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try{
					ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e){
					alert("Browser err!");
					return false;
				}
			}
		}
	
		var name = document.getElementById('name').value;
		var mail = document.getElementById('mail').value;
		var text = document.getElementById('text').value;
		var subject = document.getElementById('subject').value;
		var params = "subject=" + subject + "&names=" + name + "&mail=" + mail + "&text=" + text + "&ajaxrequest=true";
	
		ajaxRequest.open("POST", "http://www.robotix.cz/app/mailer.php", true);
		ajaxRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		ajaxRequest.setRequestHeader("Content-length", params.length);
		ajaxRequest.setRequestHeader("Connection", "close");
		ajaxRequest.onreadystatechange = function(){
			if(ajaxRequest.readyState == 4 && ajaxRequest.status == 200){

				var ajaxDisplay = document.getElementById('message');
				ajaxDisplay.innerHTML += ajaxRequest.responseText;
                
                
                 document.getElementById('mail').value ='';
                 document.getElementById('name').value = '';
                 document.getElementById('subject').value = '';
                 document.getElementById('text').value ='';


				}
			}
		ajaxRequest.send(params); 
	
}
function mailCheck(){

	   var regular = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   var email = document.forms["comment"].elements["mail"].value;
		if(document.forms["comment"].elements["names"].value=="") window.alert("Nevyplnili jste Povinné údje !");
	       	else if(document.forms["comment"].elements["mail"].value=="") window.alert("Nevyplnili jste Povinné údje !");
	           	else if(regular.test(email) == false) window.alert("Špatný formát emailu !");
	               	else if(document.forms["comment"].elements["text"].value=="") window.alert("Nevyplnili jste Povinné údje !");
             else if(document.forms["comment"].elements["subject"].value=="") window.alert("Nevyplnili jste Povinné údje !");
		else mailHandle();
	}