//-------------------------------------------------------------------------------------------------
// Run any logic that needs to be run after the page has loaded and before anything else is done.
function Page_Load() {
	RegisterMenuEvents();
}

//-------------------------------------------------------------------------------------------------
// Register the menu events that will handle the mouse over/out for the navigation module.
function RegisterMenuEvents() {
	var sfMain = document.getElementById("nav");
	if(!sfMain) {
		return;
	}
	
	var sfEls = sfMain.getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

if (window.attachEvent) window.attachEvent("onload", Page_Load);



function isValidEmail (emailStr) {

		var emailPat=/^(.+)@(.+)$/; 
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]"; 
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+'; 
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) {
			return false;
		}
		
		var user=matchArray[1];
		var domain=matchArray[2];
		
		if (user.match(userPat)==null) {
			return false;
		}
		
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					return false;
				}
			}
			return true;
		}
		
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
		    return false;
		}

		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
		if (domArr[domArr.length-1].length<2 || 
			domArr[domArr.length-1].length>3) {
			return false;
		}
	
		if (len<2) {
			return false;
		}

		return true;
}

function isInteger (passedVal) {
		if(passedVal == "") {
			return false;
		}

		for (i=0; i<passedVal.length; i++) {
			if (passedVal.charAt(i) < "0") {
				return false;
			}
			else if (passedVal.charAt(i) > "9") {
				return false;
			}
		}
		return true;
}

function ValidateField(fieldID, required, type, statusFieldID, errorMessage)
{
	if (type == null) type = '';
	if (statusFieldID == null) statusFieldID = '';
	if (errorMessage == null) errorMessage = '';
	
	var field = document.getElementById(fieldID);
	if (statusFieldID.length == 0) statusFieldID = fieldID + '_error';
	
	var statusField = document.getElementById(statusFieldID);
	//Check required field
	if (required)
	{
		if (field.value.length == 0)	//Required field not filled in
		{
			statusField.style.display = 'block';
			return false;
		}
		else
		{
			statusField.style.display = 'none';
		}
	}
	
	//Check field value
	if (field.value.length > 0 && type.length > 0)	//Field filled in and need validate
	{
		switch (type)
		{
			case 'number':
				if (isNaN(field.value))
				{
					if (errorMessage.length > 0)
					{
						statusField.innerHTML = errorMessage;
					}
					statusField.style.display =  'block';
					return false;
				}
				else
				{
					statusField.style.display = 'none';
				}
				break;
				
			case 'email':
			if (!isValidEmail(field.value))	
			{
				if (errorMessage.length > 0)
				{
					statusField.innerHTML = errorMessage;
				}
				statusField.style.display =  'block';
				return false;
			}
			else
			{
				statusField.style.display = 'none';
			}
			break;
			
			case 'date':
			break;
		}
	}
	
	return true;
}

//Validate that user must input value into one of two fields.
function ValidateAlternativeField(fieldID, secondFieldID, required, type, statusFieldID, errorMessage)
{
	if (type == null) type = '';
	if (statusFieldID == null) statusFieldID = '';
	if (errorMessage == null) errorMessage = '';
	
	var field = document.getElementById(fieldID);
	var secondField = document.getElementById(secondFieldID);
	if (statusFieldID.length == 0) statusFieldID = fieldID + '_error';
	
	var statusField = document.getElementById(statusFieldID);
	//Check required field
	if (required)
	{
		if (field.value.length == 0 && secondField.value.length == 0 )	//Required field not filled in
		{
			statusField.style.display = 'block';
			return false;
		}
		else
		{
			statusField.style.display = 'none';
		}
	}

	return true;
}

//Check if a field value is between a given length range
function ValidateFieldLength(fieldID,statusFieldID, minLength, maxLength)
{
	var field = document.getElementById(fieldID);
	var statusField = document.getElementById(statusFieldID);
	if (maxLength == null) maxLength = 0;
	
	if(field.value.length >= minLength && (maxLength == 0 || field.value.length <= maxLength)) 
	{
		statusField.style.display =  'none';
		return true; 
	}
	else
	{
		statusField.style.display =  'block';
		return false;
	}
	
}

//Check if two fields values are the same
function CompareFields(fieldID1,fieldID2,statusFieldID)
{
	var field1 = document.getElementById(fieldID1);
	var field2 = document.getElementById(fieldID2);
	var statusField = document.getElementById(statusFieldID);
	if(field1.value==field2.value) 
	{
		statusField.style.display =  'none';
		return true; 
	}
	else
	{
		statusField.style.display =  'block';
		return false;
	}
	
}