// 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;
}

//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
// 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/arrowOffEn.gif';
  }else{
    Row.style.display = '';
		Img.src = '../Images/arrowOn.gif';
  }
}

// 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 to encode the password
function GETMD5(bControlLogin)
{
	var objTXT = (bControlLogin) ? 'txtPassword' : 'txtPassword1';
	var objPassword = document.getElementById(objTXT);
	if (objPassword.value != "")
	{
		objPassword.value = objPassword.value;
	}
}

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

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

function PageLogin()
{
  with (document.form) {
    if (txtUsername1.value=="") {
      alert("Please enter your UserName!");
    	txtUsername1.focus();
   	  return false;
		}
    if (txtPassword1.value=="") {
      alert("Please you must enter a password!!");
      txtPassword1.focus();
      return false;
		}

  	useraction.value = "PageLogin";
    action = "../Home/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 == "ControlLogin") {
    	GETMD5(true);
      ControlLogin();
    }else if (myaction == "PageLogin") {
    	GETMD5(false);
      PageLogin();
    }else if (myaction == "search") {
      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();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          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);
	}

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

// Contact Us
function ContactUs() 
{  
  with (document.form)
	{		
		
		if (Trim(txtFirstName.value) == "") {
      alert("Please you must enter your first name!!!");
      txtFirstName.focus();
      return false;
    }
    /*
    if (Trim(txtLastName.value) == "") {
      alert("Please you must enter your last name!!!");
      txtLastName.focus();
      return false;
    }
    */
    var email = Trim(txtUserEmail.value);
    if (email == "") {
      alert("Please you must enter your e-mail account!!!");
      txtUserEmail.focus();
      return false;
    }
	  if (email != "") 
	  {
	    if (!isValidMail(email)) 
	    {
	      txtUserEmail.focus();
	      return false;
	    }	    
	  }
    if (Trim(txtSubject.value) == "") {
      alert("Please you must enter your subject!!!");
      txtSubject.focus();
      return false;
    }    
    if (Trim(txtMessage.value) == "") {
      alert("Please you must enter your message!!!");
      txtMessage.focus();
      return false;
    }
   	useraction.value = "SendMail";	   
  	submit();
	}
}


/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Membership Page
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function CheckMembershipFields(Mode)
{
	with(document.form)
	{
		//Check Username
		if (Mode == 'AddUser')
		{	
			if ( Trim(txtMemberUsername.value) == '' )
			{
				alert("You must enter the username!!");
	      txtMemberUsername.focus();
	      return false;
			}
		}
		// Check Password
		if ( Trim(txtMemberPassword.value) == '' )
		{
			alert("You must enter the password!!");
      txtMemberPassword.focus();
      return false;
		}
		// Compare Passwords
		if( Trim(txtMemberPassword.value) != Trim(txtConfirmPass.value) )
		{
			alert("The Password you provided does not match the confimation.");
      txtConfirmPass.focus();
      return false;
		}
		// Check First Name
		if ( Trim(txtFName.value) == '' )
		{
			alert("You must enter the first name!!");
      txtFName.focus();
      return false;
		}
		// Check Last Name
		if ( Trim(txtLName.value) == '' )
		{
			alert("You must enter the last name!!");
      txtLName.focus();
      return false;
		}
		
				// Check Email
		if (!checkEmail())
		{
			return false;
		}
		// Check Last Name
		if ( Trim(txtAddress.value) == '' )
		{
			alert("Please you must enter the address!");
      txtAddress.focus();
      return false;
		}
		// Check Country
		if (ddlCountry.options.selectedIndex == 0) {
      alert("Please you must specify the country!");
      ddlCountry.focus();
      return false;
    }
		// Check City
		if ( Trim(txtCity.value) == '' )
		{
			alert("Please you must enter the city!");
      txtCity.focus();
      return false;
		}
		// Check Last Name
		if ( Trim(txtPhone1.value) == '' )
		{
			alert("You must enter the phone!!");
      txtPhone1.focus();
      return false;
		}

		useraction.value = Mode;
		action = "../Home/manage_membership.php";
		submit();
	}
}

function CheckCareerFields()
{
	with (document.form)
	{		
		
			if (Trim(txtFirstName.value) == "") {
	      alert("You must enter the first name!!!");
	      txtFirstName.focus();
	      return false;
	    }
		
		if (Trim(txtLastName.value) == "") {
	      alert("You must enter the last name!!!");
	      txtLastName.focus();
	      return false;
	    }    
	    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;
		    }	    
		  }
		  	  
		   if (Trim(cmbCountry.value) == -1 ) {
	      alert("Please you must specify the country!!");
	      cmbCountry.focus();
	      return false;
	    } 
		  
	   
	    if (Trim(txtPhone.value) == "") {
	      alert("You must enter the phone!!!");
	      txtPhone.focus();
	      return false;
	    }

	    if (Trim(txtCVName.value) == "") {
	      alert("Please choose a C.V. to upload !!!");
	      txtCVName.focus();
	      return false;
	    }
	    var ext = txtCVName.value;
	    ext = ext.substring(ext.length-3,ext.length);
	  	ext = ext.toLowerCase();

			var allowedExtensions = "doc;rtf;txt;pdf";
			var pos = allowedExtensions.indexOf(ext);

			if (pos==-1)
			{
			alert("The extension of the selected attachment is not allowed!!");
	    	txtCVName.focus();
		    return false;
			}
	   	useraction.value = "AddNew";
	   	action = "../Careers/manage_careers.php"
	  	submit();
	}
}