$(document).ready(function($){	
	$("#myslidemenu a").click(function(){
			if($(this).attr("href") == '#')
				return false;
	});
	
	$("#contact_form").submit(function(){
		message = '';
		
		if($("#onoma").val() == '' || $("#onoma").val() == 'Όνομα')
			message += "Δεν δώσατε όνομα\n";
		if($("#email").val() == '' || $("#email").val() == 'Email' || validate($("#email").val()) == false)
			message += "Δεν δώσατε email\n";
		if($("#message").val() == '' || $("#message").val() == 'Σχόλιο')
			message += "Δεν δώσατε σχόλιο\n";
		
		if(message != ''){
			alert(message);
			return false;
		}
	});
	val_onoma = 0;
	$("#onoma").focus(function () {
		 if(val_onoma == 0){
         	$("#onoma").val("");
			val_onoma = 1;
		 }
    });
	val_email = 0;
	$("#email").focus(function () {
		 if(val_email == 0){
	         $("#email").val("");
			val_email = 1;
		 }
    });
	val_text = 0;
	$("#message").focus(function () {
		 if(val_text == 0){
	         $("#message").val("");
			val_text = 1;
		 }
    });

   var now_onair = setInterval(function() 
   {
	 $('#roi').load('scripts/onair.php?randval='+ Math.random());
   }, 60000);
   var now_onair = setInterval(function() 
   {
	 $('#onair').load('scripts/ekpompi.php?randval='+ Math.random());
   }, 60000);
   
	function validate(email) {
	   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   var address = email;
	   return reg.test(address);
	}	
});