function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function prepareInputsForHints() {
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++){
		// test to see if the hint span exists first
		if (inputs[i].parentNode.getElementsByTagName("span")[0]) {
			// the span exists!  on focus, show the hint
			inputs[i].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			// when the cursor moves away from the field, hide the hint
			inputs[i].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}
	// repeat the same tests as above for selects
	var selects = document.getElementsByTagName("select");
	for (var k=0; k<selects.length; k++){
		if (selects[k].parentNode.getElementsByTagName("span")[0]) {
			selects[k].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			selects[k].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}
}


var loginSubmit = function () {
	$('wrongData').style.display = "none";
	$('loginForm').request({   
		onCreate: function() {
		/*ajaxImage('loginDiv');*/}, 
        onComplete: function(transport){ 
            
						if(transport.responseText == "success") {
                location.reload();
								return;
            }
						if(transport.responseText == "send") {
							$('pwSend').style.display = "block";
							$('wrongMail').style.display = "none";
							$('wrongData').style.display = "none";
							return;
						}
						if(transport.responseText == "nF") {
							$('pwSend').style.display = "none";
							$('wrongMail').style.display = "block";
							$('wrongData').style.display = "none";
							return;
						}
            
						$('wrongData').style.display = "block";
            
        } 
    });
}

var logoutRequest = function () {
	$('logout').request({   
				onCreate: function() {},
		    onComplete: function(transport){ 
					location.reload();
        } 
    });
}