function confirmVote(oForm) 
{
  var sOption = getCheckedValue(oForm.vote);
  if(!sOption) alert("Please choose one of the provided options!");
  else if(confirm("Are you sure you want to vote for video "+sOption+"?")) return true
  return false;
}

function adjustImageSize(obj, max)
{						
	var ratio = obj.width / obj.height;
	if (ratio > 1.0)
	{
		obj.width = max;
	}
	else
	{
		obj.height = max;
	}
	obj.style.visibility = "visible";
}

function getCheckedValue(radioObj) 
{
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function formCheck(formobj)
{
	// Enter name of mandatory fields
	var fieldRequired = Array("fName", "lName", "reason", "email");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("First name", "Last name", "Reason for contact", "Email");
	// dialog message
	var alertMsg = "Please complete the following required fields:\n\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 == "" || 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;
	}
}

function selectOption(id, val)
{    
	var e = document.getElementById(id);
	if (null != e)
	{
		for (var i=0; i<e.options.length; i++)
		{
			var opt = e.options[i];
			if (val == opt.value)
			{
				opt.selected = true;
				break;
			}
		}
	}
}

function showMouseOverDiv(e, div) 
{ 
	var posx = 0;
	var posy = 0;
	if (null == e)
		e = window.event;
	if (e.pageX || e.pageY) 	
	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	
	{
		posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
	}
	var box = document.getElementById(div);
	if (null != box)
	{
		box.style.left = posx + 16 + "px";
		box.style.top = posy + "px";				
		box.style.display = 'block'; 
	}
} 

function hideMouseOverDiv(div) 
{ 
	var box = document.getElementById(div);
	if (null != box)
		box.style.display = 'none'; 
} 

var nrfl_userManagerModule = null;

function openUserManagerModule(url)
{
	if (nrfl_userManagerModule && !nrfl_userManagerModule.closed)
	{
		nrfl_userManagerModule.window.close();
	}
	nrfl_userManagerModule = window.open(url, "win_usm", "width=600,height=400,scrollbars=yes,menubar=no,status=no");
	nrfl_userManagerModule.window.focus();
}

function closeUserManagerModule()
{
	location.href = "user_management.php"; // simple reload
	nrfl_userManagerModule = null;
}