function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("name", "email", "message");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("Όνομα", "Email", "Μήνυμα");
	// dialog message
	var alertMsg = "Παρακαλούμε συμπληρώστε τα ακόλουθα πεδία:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}

var emailfiltercon=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function checkmailcon(econ){
	var returnvalcon=emailfiltercon.test(econ.value)
	if (returnvalcon==false){
		alert("Παρακαλούμε συμπληρώστε ένα ισχύον Email.")
		econ.select()
	}
	return returnvalcon
}