// This function is used to check if a certain text is numeric or not
function IsNumeric(sText) {
  var ValidChars = "0123456789.";
  var IsNumber=true;
  var Char;

  for (i = 0; i < sText.length && IsNumber == true; i++) {
    Char = sText.charAt(i);
    if (ValidChars.indexOf(Char) == -1) {
      IsNumber = false;
    }
  }
  return IsNumber;
}


// This function is used to restrict users to enter only numbers inside a given text box
function NumbersOnly(obj)
{
	with (document.form)
	{
		// Only integer numbers allowed!
		if (!/^\d*$/.test(obj.value)) {
			obj.value = obj.value.replace(/[^\d]/g,"");
			obj.focus();
		}
	}
}

// This function is used to prevent user from entering the following special characters [{(<"&'%;=>)}]
function PreventSpecialCharacters(obj)
{
	obj.value = obj.value.replace(/\[|{|\(|\<|\"|&|\'|%|;|=|>|\)|}|\]/g, "");
}

// Used to check if a certain text is less than 3 characters
function MoreThanNChars(sText, n)
{
	n = ((n > 0) && (n != "")) ? n : 3;

	if (sText.length < n)
	{
		alert("Minimum " + n + " characters required!");
		return false;
	}
	return true;
}


//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
// Remove both the leading and the trailing space/s of a given string
//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
function Trim(str) {
	// Remove leading spaces and carriage returns
  while (str.substring(0,1) == ' ') {
  	str = str.substring(1,str.length);
	}

	// Remove trailing spaces and carriage returns
  while (str.substring(str.length-1,str.length) == ' ') {
  	str = str.substring(0,str.length-1);
  }
  return str;
}

// This function is to be used in the show/hide row contents without img
function ShowHideRow(Row) {
  if (Row.style.display == '') {
    Row.style.display = 'none';
  }else{
    Row.style.display = '';
  }
}

/*-*-*-*-*-* This function is to be used in the show/hide row contents with img *-*-*-*-*-*/
function ToggleInfoRow(Row, Img) {
  if (Row.style.display == '') {
    Row.style.display = 'none';
    Img.src = '../Images/icon_plus.jpg';
  }else{
    Row.style.display = '';
		Img.src = '../Images/icon_minus.jpg';
  }
}

// This function is used to open a popup window
function openNewWindow(url,width,height) {
  var left =  Math.floor(screen.width/2)-Math.floor(width/2);
  var top =  Math.floor(screen.height/2)-Math.floor(height/2);
	popwindow = window.open(url, "popwindow", "toolbar=no,width="+width+",height="+height+",top="+top+",left="+left);
	popwindow.focus();
}

// This function is used in the login process
function login() {
  with (document.form) {
    if (txtUsername.value=="") {
      alert("Please enter your UserName!");
    	txtUsername.focus();
   	  return false;
		}
    if (txtPassword.value=="") {
      alert("Please you must enter a password!!");
      txtPassword.focus();
      return false;
		}

  	useraction.value = "login";
    action = "login.php";
    submit();
	}
}

// This function is used to submit form when the user press enter
function submitEnter(myfield,myevent,myaction) {
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (myevent) keycode = myevent.which;
  else return true;
	//alert (keycode);
  if (keycode == 13) {
    if (myaction == "login") {
      login();
    }else if (myaction == "forgotpassword") {
      SendMyPassword();
    }else if (myaction == "searchForKeyword") {
      SearchForKeyword();
    }else if (myaction == "searchForMaterials") {
      SearchForMaterials();
    }else if (myaction == "subscribe") {
      SubscribeMe();
    }else if (myaction == "unsubscribe") {
      UnSubscribeMe();
    }else{
      myfield.form.submit();
    }
    return false;
  }
  else
     return true;
}


// This function is used to check if a certain email is valid
function isValidMail(emailStr) {
  var checkTLD=1;
  var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
  var emailPat=/^(.+)@(.+)$/;
  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 +")*$");
  var matchArray=emailStr.match(emailPat);
  if (matchArray==null) {
    alert("Your email address is missing or incorrectly spelled check!!");
    return false;
  }
  var user=matchArray[1];
  var domain=matchArray[2];
  for (i=0; i<user.length; i++) {
    if (user.charCodeAt(i)>127) {
      alert("Your email address contains invalid characters.");
      return false;
     }
  }
  for (i=0; i<domain.length; i++) {
    if (domain.charCodeAt(i)>127) {
      alert("Your email domain name contains invalid characters.");
      return false;
     }
  }
  if (user.match(userPat)==null) {
    alert("Your email address does not seem to be valid - check your spelling, including wrong use of commas, or a full point . at the end of the address!!");
    return false;
  }
  var IPArray=domain.match(ipDomainPat);
  if (IPArray!=null) {
    for (var i=1;i<=4;i++) {
      if (IPArray[i]>255) {
        alert("Destination IP address is invalid!");
        return false;
      }
    }
    return true;
  }
  var atomPat=new RegExp("^" + atom + "$");
  var domArr=domain.split(".");
  var len=domArr.length;
  for (i=0;i < len;i++) {
    if (domArr[i].search(atomPat)==-1) {
      alert("Your email address does not seem to be valid - check your spelling, including wrong use of commas, or a full point . at the end of the address.");
      return false;
     }
  }
  if (checkTLD && domArr[domArr.length-1].length!=2 &&
  domArr[domArr.length-1].search(knownDomsPat)==-1) {
    alert("Your email address must end in a well-known domain or two letter " + "country.");
    return false;
  }
  if (len<2) {
    alert("Your email address is missing a hostname - check spelling.");
    return false;
  }
  return true;
}

// This function is used to check if the email is valid or not
function checkEmail() {
  with (document.form) {
    if (txtEmail.value == "") {
      alert("Please you must enter your e-mail account!!!");
      txtEmail.focus();
      return false;
    }else if (txtEmail.value != "") {
      if (!isValidMail(txtEmail.value)) {
	      txtEmail.focus();
	      return;
	    }
    }
    return true;
  }
}

// This function is used to submit the form
function submitForm() {
  document.forms[0].submit();
}

function SubmitFormAction(sURL)
{
	with (document.form)
	{
		action = sURL;
		submit();
	}
}

/*
function SendMyPassword()
{
  with (document.form)
  {
  	var email = Trim(txtEmail.value);
    if (email == "") {
      alert("Please you must enter your e-mail account!!!");
      txtEmail.focus();
      return false;
    }

	  if (email != "")
	  {
	    if (!isValidMail(email))
	    {
	      txtEmail.focus();
	      return false;
	    }
	  }
  	useraction.value = 'sendmail';
  	submit();
	}
}
*/

function SendMyPassword()
{
  with (document.form)
  {
  	var username = Trim(txtUsername.value);
    if (username == "") {
      alert("Please enter your UserName!!");
      txtUsername.focus();
      return false;
    }

  	useraction.value = 'sendmail';
  	submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Used for lists
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function AddItem(List1,List2) {
  if (List1.options.selectedIndex>=0 && List1.options[0].value != "-1")
  {
		// Add the selected item of List1 in List2
    Element = new Option(List1.options[List1.options.selectedIndex].text,List1.options[List1.options.selectedIndex].value, false, true);
    if (List2.options[0].value != "-1") {
			List2.add(Element,List1.options[List1.options.selectedIndex].value); //List2.add(Element,List1.length);
		} else {
			List2.remove(0);
			List2.add(Element,0);
		}

		// Remove the selected item of List1
		List1.remove(List1.options.selectedIndex);
    Element = new Option("----------------------------------------------","-1");
    if (List1.options.length == 0) {
			List1.add(Element,0);
		}
	}
}

function SwapLists(List1,List2) {
  if (List1.options.length>0 && List1.options[0].value != "-1")
  {
		// Add items of List1 in List2
    List2.remove(0);
    for(i=0;i < List1.options.length;i++) {
		  Element = new Option(List1.options[i].text,List1.options[i].value);
			List2.add(Element,List1.options[i].value); // List2.add(Element,i);
		}
		// Remove items of List1
		L = List1.options.length
    for(i=0;i < L;i++) {
			List1.remove(0);
		}
    Element = new Option("----------------------------------------------","-1");
		List1.add(Element,0);
	}
}

	function MultiDimensionalArray(iRows,iCols)
	{
		var i;
		var j;
		var a = new Array(iRows);
		for (i=0; i < iRows; i++)
		{
		   a[i] = new Array(iCols);
		   for (j=0; j < iCols; j++)
		   {
		       a[i][j] = "";
		   }
		}
	   return(a);
	}

	//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
	function mySplit(whole, link) {
    if (whole.split) {
		  return(whole.split(link));
		}

 	  var parts = new makeArray(0);
 	  var d = 0;
 	  var p = 0;
 	  var q = whole.indexOf(link);

    while (q > -1) {
      parts[d++] = whole.substring(p, q);
    	parts.length = d;
    	p = q + 1;
    	q = whole.indexOf(link, p);
		}

    parts[d++] = whole.substring(p);
 	  parts.length = d;
	  return(parts);
	}

	//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
	function myJoin(parts, link) {
    if (parts.join) {
      return(parts.join(link));
    }

    var whole = "";
    var thisLink = "";

    for(var d = 0; d < parts.length;d++) {
      if (parts[d] != "") {
        whole = whole + thisLink + parts[d];
     		thisLink = link;
			}
		}
	  return(whole);
	}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Materials Search Control
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function SearchForMaterials()
{
	with (document.form)
	{
	  if (Trim(txtSearch.value)=="")
	  {
	  	return false;
	  }

	  action = "../Home/search_results.php?mode=Simple";
	  submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Newsletter Control
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
// This function is used to subscribe a certain email address
function SubscribeMe()
{
  with (document.form)
	{
		var email = txtEmail.value;
	  if (email != "")
	  {
	    if (!isValidMail(email))
	    {
	      txtEmail.focus();
	    }
	    else
	    {
	      useraction.value = "subscribe";
	      action = "../Newsletter/subscribtion.php";
	      submit();
	    }
	  }else{
	    return false;
	  }
	}
}

// This function is used to unsubscribe from the newsletter
function UnSubscribeMe()
{
  with (document.form)
	{
		var email = txtEmail1.value;
	  if (email != "")
	  {
	    if (!isValidMail(email))
	    {
	      txtEmail1.focus();
	    }
	    else
	    {
	      useraction.value = "unsubscribe";
	      action = "../Newsletter/subscribtion.php";
	      submit();
	    }
	  }else{
	    return false;
	  }
	}
}


//resets Advanced Search Form
function ResetAdvancedSearchForm()
{
	with (document.form)
	{
		cmbUsers.options.selectedIndex = 0;
		cmbLocations.options.selectedIndex = 0;
		txtTitle.value = "";
		txtContents.value = "";
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Product Updates Page
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function NotifyForNewReleases()
{
	with (document.form)
	{
	  useraction.value = "NotifyForNewReleases";
	  submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                      Customer License Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
// This function is used to reset the fields in the license filtration search form
function ResetLicenseSearchForm()
{
	with (document.form)
	{
		txtKeyword.value = "";
		cmbProduct.options.selectedIndex = 0;
		cmbStatus.options.selectedIndex = 0;
		cmbSortField.options.selectedIndex = 4;
		rdSortType[0].checked = true;
	}
}

// This function is used to check if the text search fields are greater than 3 characters
function CheckLicenseSearchForm()
{
  with (document.form)
  {
  	if (Trim(txtKeyword.value) != "")
  	{
	    if (!MoreThanNChars(txtKeyword.value, 3)) {
	    	txtKeyword.focus();
	      return false;
	    }
	  }
    submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                      Support Request Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
// This function is used to check the required fields in support_form page
function CheckSupportRequestInfo()
{
  with (document.form)
  {
  	if (cmbProduct.value == -1) {
      alert("You should specify the product/software used!");
      cmbProduct.focus();
      return false;
    }

    if (cmbRequestType.value == -1) {
      alert("You should specify the type of your request!");
      cmbRequestType.focus();
      return false;
    }

    if (txtSummary.value == "") {
      alert("You should specify a summary for your request!");
      txtSummary.focus();
      return false;
    }

    if (txtDescription.value == "") {
      alert("You should specify the description of your message!");
      txtDescription.focus();
      return false;
    }

    useraction.value = "AddNew";
    action = "../Support/manage_support_form.php"
    submit();
	}
}

// This function is used to reset the fields in the support requests filtration search form
function ResetSupportRequestsSearchForm()
{
	with (document.form)
	{
		txtTrackingID1.value = "";
		txtKeyword1.value = "";
		cmbProduct1.options.selectedIndex = 0;
		cmbRequestType1.options.selectedIndex = 0;
		cmbStatus1.options.selectedIndex = 0;
		cmbSortField1.options.selectedIndex = 0;
		rdSortType1[0].checked = true;
	}
}

// This function is used to check if the text search fields are greater than 3 characters
function CheckSupportRequestSearchForm()
{
  with (document.form)
  {
  	if (Trim(txtTrackingID1.value) != "")
  	{
	  	if (!MoreThanNChars(txtTrackingID1.value, 3)) {
	  		txtTrackingID1.focus();
	      return false;
	    }
	  }

		if (Trim(txtKeyword1.value) != "")
  	{
	    if (!MoreThanNChars(txtKeyword1.value, 3)) {
	    	txtKeyword1.focus();
	      return false;
	    }
	  }

    submit();
	}
}

// This function is used to send customer to the related product's FAQ page
function goToProductFAQPage()
{
  with (document.form)
  {
  	if (cmbProduct.value != -1)
  	{
	    action = "../Product/product_faq.php?id=" + cmbProduct.value;
	    submit();
	  }
	}
}

// This function is used to send customer to a specific page
function goToThisPage()
{
  with (document.form)
  {
  	if (cmbShortcuts.value != "")
  	{
	    action = cmbShortcuts.value;
	    submit();
	  }
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                      Contact Form Script
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
// This function is used to check the required fields in contacts page
function CheckFeedbackInfo()
{
  with (document.form)
  {
    if (txtFirstName.value == "") {
      alert("You should specify you first name!");
      txtFirstName.focus();
      return false;
    }

    if (txtSubject.value == "") {
      alert("You should specify the subject of your message!");
      txtSubject.focus();
      return false;
    }

    if (txtDescription.value == "") {
      alert("You should specify the description of your message!");
      txtDescription.focus();
      return false;
    }

    useraction.value = "AddNew";
    action = "../Home/manage_contact_form.php"
    submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                      Change Password Page Script
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
// This function is used to check the password fields
function CheckPasswords()
{
  with (document.form)
  {
    if ( Trim(txtCurrentPassword.value) == "") {
      alert("You should specify you current password!");
      txtCurrentPassword.focus();
      return false;
    }

    // Check New Password
		if ( Trim(txtNewPassword.value) == '')
		{
			alert("You should specify your new password!");
      txtNewPassword.focus();
      return false;
		}

		// Compare Current Password with new Password
		if( Trim(txtCurrentPassword.value) == Trim(txtNewPassword.value) )
		{
			alert("Your new password can't be equal to your current password!");
      txtNewPassword.select();
      return false;
		}

		// Check Confirm Password
		if ( Trim(txtRetypeNewPassword.value) == '')
		{
			alert("You should confirm your new password!");
      txtRetypeNewPassword.focus();
      return false;
		}

		// Compare New Passwords
		if( Trim(txtNewPassword.value) != Trim(txtRetypeNewPassword.value) )
		{
			alert("The Password you provided does not match the confimation.");
      txtRetypeNewPassword.select();
      return false;
		}

    useraction.value = "ChangePassword";
    submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Products Search Control
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function SetSearchTextbox()
{
	with (document.form)
	{
		if (txtSearch.value == 'Search')
		{
			txtSearch.value='';
		}
		else if (Trim(txtSearch.value) == '')
		{
			txtSearch.value = "Search";
		}
	}
}

function SearchForKeyword()
{
	with (document.form)
	{
	  if ( (Trim(txtSearch.value)=="") || (Trim(txtSearch.value)=="Search") )
	  {
	  	return false;
	  }

  	if (!MoreThanNChars(txtSearch.value, 3))
  	{
  		txtSearch.focus();
  		return false;
  	}

	  action = "../Product/search_results.php";
	  submit();
	}
}